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DATABASES

Mutation Databases

Human Homologue of the Mouse Pink-eyed Dilution Gene (OCA2)

Recent update from: 16.05.2010

This site is maintained and edited by
Dr. rer. medic. Markus Preising, Dipl.Biol.
Laboratory of Molecular Ophthalmology
Department of Opthalmology
Justus-Liebig-University, Giessen, Germany
Head: Prof. Dr. med. Birgit Lorenz

Mutation Map

P-gene Mutation Map

NCBI GenBank: 4948 - Gen Map (Built: GRCH37): 28000020-28344457

doublehelixThe sequence data are adjusted to a sequence given in a WORD file which can be downloaded here. Nucleotides are counted from the first nucleotide of the starting Methionine codon.
P-protein schematic
Phenotype
Mutation
Basechange
Codon (Nucleotide)
Exon
Restriction site
HGMD / dbSNP
OMIM
Remarks
Reference
OCA2 Arg 10 Trp CGG>TGG 010 (c.0028) 01


Compound:
  • A481T

Patients: Japanese
Link(34)
Polymorphism Ala 16 Ala GCG>GCA 016 (c.0048) 01



Link(34)
SNP Gln 21 Gln CAG>CAA 021 (c.0063) 02

rs61742223




Patients:
dbSNP
SNP Gln 21 His CAG>CAC 021 (c.0063) 02

rs61742223




Patients:
dbSNP
OCA2 Gly 27 Arg GGA>AGA 027 (c.0079) 01

HGMD listed

rs61738394


Typical
Homozygous Compound:
  • single
  • S736L

Patients: Israelites
Link(33)
Link(7)
Link(22)
Link(28)
SNP Arg 37 Arg AGG>AGA 037 (c.0111) 02

rs41309258




Patients:
dbSNP
OCA2 c.157delA CCC AGG GGG>CCC _GG GGG 053 (c.0157) 01




Patients: Danish
Link(8)
OCA2 c.158delG AGG GGG GCT>A_G GGG GCT 053 (c.0158) 01

HGMD listed



Compound:
  • V833del

Link(24)
OCA2 c.168delC GCT GCC GGG>GCT GC_ GGG 056 (c.0168) 02


Compound:
  • R243C

Link(36)
OCA2 Trp 61 ter TGG>TAG 061 (c.0182) 01


Compound:
  • IVS15-19a>g

Patients: Netherlands
Link(27)
OCA2 Ser 86 Arg AGC>AGG 086 (c.0258) 03

HGMD listed



Compound:
  • single

Patients: 172
Link(21)
OCA2 Glu 96 Ala GAA>GCA 096 (c.0287) 03


homozygous
Patients: Danish
Link(8)
Polymorphism IVS3+42g>t gagca>gatca 109 (c.0326) IVS03




Patients: Caucasian, African American
Link(21)
OCA2 IVS3-n_IVS20+n gross deletion 109 (c.0327) IVS3


Homozygous
Compound:
  • A334V

Patients: Spain
Poland
Link(27)
OCA2 Cys 112 Phe TGC>TTC 112 (c.0335) 04

HGMD listed



Compound:
  • single

Patients: 530
Link(21)
SNP Thr 122 Ile ACT>ATT 122 (c.0365) 04

rs34385677




Patients:
dbSNP
OCA2 Arg 136 ter CGA>TGA 136 (c.0406) 04


Compound:
  • single

Link(36)
SNP Arg 136 Gln CGA>CAA 136 (c.0407) 04

rs35764631




Patients:
dbSNP
OCA2 Lys 155 Asn AAG>AAT 155 (c.0465) 04


Compound:
  • A776D

Link(36)
OCA2 c.482delG AGC CCG>A_C CCG 161 (c.0482) 04


Typical
Compound:
  • single

Link(33)
Link(8)
Polymorphism IVS4-53t>a gtctg>gtcag 172 (c.0516) IVS04




Patients: Caucasian
Link(21)
Polymorphism IVS5-39t>c catac>cacac 192 (c.0574) IVS05




Link(14)
OCA2 IVS5-19a>g caacg>cagcg 192 (c.0574) IVS05

HGMD listed



Compound:
  • IVS3-n_IVS20+n
  • R419Q

Patients: Tanzanian
Spain
Link(32)
Link(15) (25)
Polymorphism IVS5-18c>t aacgt>aatgt 192 (c.0574) IVS05




Link(18)
Polymorphism IVS5-53c>g tacct>tagct 192 (c.0574) IVS05




Link(5)
OCA2 Pro 198 Leu CCG>TCG 198 (c.0592) 06


Homozygous
Compound:
  • Single

Patients: Japanese
Link(34)
Link(36)
OCA2 Trp 204 ter TGG>TGA 204 (c.0612) 06




Patients: Northern Europe
Link(22)
OCA2 c.615del18bp CAG CTG TTG GCC TTA TCA CCG>CA_ ___ ___ ___ ___ ___ __G 205 (c.0615) 06

HGMD listed





Link(17)
Link(15)
OCA2 Pro 211 Leu CCG>TCG 211 (c.0631) 06


Compound:
  • V443I
  • IVS24-1g>c

Patients: Japanese
Link(34)
Link(8)
OCA2 2.7 kb del 2.7 kb del 216 (c.0647) IVS06

HGMD listed



Homozygous Heterozygous
Compound:
  • single
  • G485V
  • P743R

Patients: African family presenting OCA2 and OCA3
France
Cameroon
Spain
Link(6)
Link(24)
Link(20)
Link(2)
Link(29)
Link(27)
SNP Pro 241 Arg CCG>CGG 241 (c.0722) 07

rs2305253




Patients:
Link(5)
OCA2 Arg 243 Cys CGT>TGT 243 (c.0727) 07


Compound:
  • c.168delC
  • single

Link(36)
OCA2 His 249 Asp CAC>CAG 249 (c.0747) 07



Compound:
  • 2.7 kb del

Patients: Cameroon
Link(27)
Polymorphism Asp 257 Ala GAT>GCT 257 (c.0770) 07

rs1050968




Patients: Caucasian
African American
Asian
German
Link(21) (25)
SNP Arg 266 Trp CGG>TGG 266 (c.0796) 07

rs33929465




Patients:
Link(31)
Polymorphism IVS7+23a>t gaaag>gatag 269 (c.0807) IVS07




Link(18)
Polymorphism IVS7+25g>c gaaag>gaaac 269 (c.0807) IVS07




Patients: Caucasian, African American
Link(21)
Polymorphism IVS7-3c>g tacag>tagag 270 (c.0808) IVS07




Link(3)
OCA2 c.819invCTGG AAC TGG ACG>AAG GTC ACG 273 (c.0819) 08



Compound:
  • T450M

Patients: Africa
Link(27) Link(4)
OCA2 Asn 273 Lys AAC>AAG 273 (c.0819) 08


Compound:
  • W274V

Link(17)
Link(15)
Link(7) (25)
OCA2 Trp 274 Val TGG>GTC 274 (c.0822) 08


Compound:
  • N273K

Link(17)
Link(15)
Link(7) (25)
OCA2 c.860del24bp TCA GTG ATG AGC AGG ACC TTT GAG GTA CTG ACC>TCA G__ ___ ___ ___ ___ ___ ___ ___ _TG ACC 287 (c.0860) 08


Compound:
  • c.2351del26bp

Link(36)
OCA2 / OA Arg 290 Gly AGG>GGG 290 (c.0868) 08 AciI+

HGMD listed



Homozygous
Compound:
  • V443I

Link(24)
Link(15) (25)
Polymorphism IVS8-53g>t gaggt>gatgt 297 (c.0891) IVS8




Link(22)
OCA2 c.897insG ACG GTG>ACGGGTG 300 (c.0897) 10



Compound:
  • S732L

Patients: Turkey
Link(27)
Polymorphism / OCA / OA Arg 305 Trp CGG>TGG 305 (c.0913) 09 MspI-

rs1800401


Homozygous = OCA
Compound:
  • [V443I, A765T] = OCA
  • V443I = OA / OCA
  • N489D = OCA
  • R419Q = OCA
  • W679C = OCA

Link(24)
Link(18)
Link(11)
Link(26)
Link(14)
Link(2) (25)
Link(31)
Polymorphism Leu 308 Leu CTG>TTG 308 (c.0922) 09

rs1800402




Patients: Caucasian
Link(21)
OA Pro 315 Ser CCT>TCT 315 (c.0943) 09


Compound:
  • single

(25)
OCA2 Gln 321 Pro CAG>CCG 321 (c.0962) 09


Compound:
  • single

Link(36)
Polymorphism Gln 321 Gln CAG>CAA 321 (c.0963) 09




Link(14)
OCA2 c.980insT AGT GTA GAA >AGT GTT AGA A 325 (c.0980) 09


Compound:
  • G782R

Link(36)
OCA2 Ala 334 Val GCG>GTG 334 (c.1001) 09

HGMD listed

rs34010619


Compound:
  • IVS3-n_IVS20+n

Patients: Spain
Link(14)
Link(27)
Polymorphism Ala 336 Ala GCC>GTC 336 (c.1007) 09




Link(14)
OCA2 Tyr 342 Cys TAC>TGC 342 (c.1025) 09


Compound:
  • single

Patients: Danish
Link(8)
Polymorphism Tyr 342 Tyr TAC>TAT 342 (c.1026) 09

rs1800403




Link(18)
Link(14)
OCA2 c.1045delAT ccag __C>ccag ATC 349 (c.1045) 10




Patients: Caucasian
Link(22)
OCA2 IVS9-2a>g tccag ATC>tccgg ATC 349 (c.1045) IVS09


Homozygous
Patients: Indian
Link(31)
OCA2 IVS9-1363del6592bp Deletion of Exon 10 - 20 349 (c.1045) IVS09




Patients: Japanese
Link(37)
OCA2 c.1047del7bp ATC GTG CAC AGA>AT_ ___ ___ AGA 349 (c.1047) 10

HGMD listed



Compound:
  • Del exon 7

Patients: 733
Link(21)
OCA2 Val 350 Met GTG>ATG 350 (c.1048) 10

HGMD listed





Link(14)
Polymorphism Ala 355 Ala GCG>GCA 355 (c.1065) 10

rs1800404




Link(24)
Link(18)
Link(14)
Link(31)
Polymorphism Ser 360 Ser TCC>TCT 360 (c.1080) 10




Link(22)
OCA2 Leu 361 Val CTT>GTT 361 (c.1081) 10


Compound:
  • single

Patients: German
(25)
SNP Ala 368 Gly GCT>GGT 368 (c.1103) 10

rs61745150




Patients:
dbSNP
SNP Ala 368 Asp GCT>GAT 368 (c.1103) 10

rs61745150




Patients:
dbSNP
OCA2 Ala 368 Val GCT>GTT 368 (c.1103) 10

HGMD listed



Homozygous
Patients: 722
Link(21)
OCA2 Ile 370 Thr ATT>ACT 370 (c.1109) 10

HGMD listed

rs34731820




Link(14)
OCA / Polymorphism Gly 371 Gly GGC>GGG 371 (c.1113) 10

rs1800405


Homozygous
Compound:
  • R419Q = OCA
  • in cis G775S

Link(18)
(25)
OCA2 IVS10+6t>c agttg>agctg 372 (c.1116) IVS10 HpnI+

HGMD listed

rs34010619


Compound:
  • V443I

Patients: France
(25)
Link(27)
Polymorphism Leu 376 Leu CTG>CTT 376 (c.1128) 11

rs1800406




Patients: Caucasian, African American, Asian
Link(21)
SNP Val 380 Met GTG>ATG 380 (c.1138) 11

rs41529845




Patients:
Link(5)
OCA2 Phe 385 Ile TTT>ATT 385 (c.1153) 11

HGMD listed





Link(17)
Polymorphism Thr 387 Met ACG>ATG 387 (c.1160) 11




Patients: Japanese
Link(34)
Polymorphism IVS11-4a>g ccata>ccgta 393 (c.1183) IVS11

rs10852218




Patients: Indian
Link(24)
Link(18)
Link(14)
Link(30)
Link(12)
Link(31)
OCA2 Met 394 Ile ATG>ATA 394 (c.1182) 11


Compound:
  • single
  • A481T

Patients: Japanese
Link(34)
Link(13)
Polymorphism IVS11+19g>a ccgtg>ccatg 394 (c.1182) IVS11




Link(34)
Link(14)
OCA2 Met 395 Leu ATG>CTG 395 (c.1183) 12

HGMD listed



Splice defect?
Link(17)
Unclassified Glu 403 Gly GAA>GGA 403 (c.1208) 12




Patients: Indian
Link(31)
OCA2 Leu 404 Met ACG>ATG 404 (c.1211) 12


Compound:
  • single

Link(23)
Link(8)
OCA2 IVS12+5g>a AAG gtagg tat>AAG gtaga tat 413 (c.1239) IVS12




Patients: African-American West Indian Puerto Rican
Link(15)
OCA2 Tyr 415 His TAC>CAC 415 (c.1243) 13


homozygous
Patients: Danish
Link(8)
OCA2 Arg 419 Trp CGG>TGG 419 (c.1255) 13 MspI-, SmaI-

HGMD listed



Typical
homozygous Compound:
  • I473S
  • V443I = OCA / OA
  • c.1113C>T
  • IVS5-19a>g = OCA
  • I491T = OCA
  • N741K = OA
  • I722T = OA
  • M816K = OA
  • c.2502delG = OA

Link(33) (25)
Polymorphism Arg 419 Gln CGG>CAG 419 (c.1256) 13 MspI-, SmaI-

rs1800407




Link(24)
Link(5)
Link(18)
Link(26)
Link(11)
OCA2 c.1273delATG GCC ATG ATC>GCC ___ ATC 425 (c.1273) 13

HGMD listed





Link(17)
Polymorphism Leu 440 Phe TTG>TTC 440 (c.1320) 13

rs1800408




Link(18)
Link(11)
OCA2 / OA Val 443 Ile GTC>ATC 443 (c.1327) 13 PsyI-

HGMD listed

rs28934272


Homozygous = OCA
Compound: OCA
  • IVS16+2T>C
  • G775R
  • IVS10+6t>c
  • R419Q
OA
  • N489D
  • P211L
  • [R419Q, N741K]
  • in cis G765T
  • in cis M816K
  • C793F
  • R419Q
  • R305W
  • R290G
  • c.2502delG

Link(19)
Link(24)
Link(17)
Link(15)
Link(16)
Link(22)
Link(9)
Link(8)
OA Met 446 Val ATG>GTG 446 (c.1336) 13

HGMD listed



Typical
Compound:
  • single

Link(33)
OCA2 Thr 450 Lys ACG>AAG 450 (c.1349) 13


Compound:
  • L727P

Link(36)
OCA2 Thr 450 Met ACG>ATG 450 (c.1349) 13 HpnI+

HGMD listed

rs34010619


Compound:
  • c.819invCTGG

Patients: Africa
Link(27)
OCA2 Arg 455 Gly AGG>GGG 455 (c.1363) 13


Compound:
  • C430X
  • single

Link(36)
Polymorphism IVS13+4c>a gtacg>gtaag 455 (c.1364) IVS13




Link(18)
Link(14)
Polymorphism IVS13+180c>t tttgt>ttcgt 455 (c.1364) IVS13

rs1800401




Link(11)
Polymorphism IVS13+26a>g agttg>ggttg 455 (c.1364) IVS13

rs1800410




Patients: Indian
Link(18)
Link(14)
Link(2)
Link(31)
Polymorphism IVS13+25a>g gggag>ggggg 455 (c.1364) IVS13




Link(11)
Polymorphism IVS13+122a>g aaaag>aagag 455 (c.1364) IVS13

rs1800401




Link(11)
Link(2)
Polymorphism IVS13-15t>c cttcc>cctcc 455 (c.1365) IVS13


Not involved in variations of skin pigmentation
Patients: Tibetian
Link(24)
Link(1)
Link(18)
Link(14)
Link(13)
Link(11)
Polymorphism IVS13-11a>t ccatt>ccttt 455 (c.1365) IVS13




Patients: Caucasian
Link(21)
Link(14)
Polymorphism Glu 458 Glu GAG>GAA 458 (c.1374) 14




Link(18)
OCA2 Ile 473 Ser ATC>AGC 473 (c.1418) 14

HGMD listed



Typical
Compound:
  • R419W

Link(19)
Link(33)
OCA2 Asn 476 Asp AAC>GAC 476 (c.1426) 14


Compound
  • Y827H

Patients: Chinese
Link(9)
OA Asn 476 Ser AAC>AGC 476 (c.1427) 14


Homozygous
Compound:
  • C793F

Patients: German

(25)
OCA2 Ala 481 Thr GCC>ACC 481 (c.1441) 14

HGMD listed



Compound:
  • single
  • IVS15+1g>a
  • R10W
  • M394I
  • c.2106delGinsTTC

Patients: France
Germany
Link(19)
Link(34)
Link(12)
Link(33)
Link(35)
Link(27)
Link(8)
Link(13)
Preising 2010
OCA2 Gly 485 Val GGG>GTG 485 (c.1454) 14


Compound:
  • N489D
  • c.647insC

Patients: France
Denmark
Link(27)
Link(8)
OCA2, OA Asn 489 Asp AAT>GAT 489 (c.1465) 14 Hpy188I+

HGMD listed



Severe
Homozygous
Compound:
  • single
  • L727P
  • C626R
  • V443I
  • R305W = OCA
  • V443I = OA
  • c.2326delG
  • W679C

Link(33)
Link(15)
Link(16)
Link(8) (25)
OA Ile 491 Thr ATT>ACT 491 (c.1472) 14


Compound:
  • R419Q
Same allele:
  • c.2502delA

Patients: German
(25)
Polymorphism IVS14+5g>a gtacg>gtaca 501 (c.1503) IVS14




Link(14)
Link(22)
OCA2 IVS14-2a>g ccagg>ccggg 502 (c.1504) IVS14

HGMD listed





Link(14)
Polymorphism Cys 517 Cys TGC>TGT 517 (c.1551) 15

rs1800411




Link(18)
Link(14)
Link(24)
Link(34)
Link(31)
OCA2 c.1555delG CTT GTT>CTT_TT 519 (c.1555) 15

HGMD listed





Patients: Mexican
Link(22)
OCA2 Val 519 Ala GTT>GCT 519 (c.1556) 15

rs41446944


Compound:
  • single

Patients: Japanese
Danish
Link(5)
Link(15)
Link(8)
SNP Ile 544 Thr ATT>ACT 544 (c.1631) 15

rs34141095




Patients:
dbSNP
OCA2 IVS15+1g>a GTT G gtgag>GTT G atgag 546 (c.1636) IVS15


Compound:
  • A481T

Patients: Northern Europe
Link(22)
Link(34)
Polymorphism IVS15+78c>t attag>atcag 546 (c.1636) IVS16




Link(5)
OCA2 His 549 Gln CAC>CAA 549 (c.1647) 16

HGMD listed





Link(23)
OCA2 Arg 555 Cys CGC>TGC 555 (c.1663) 16


Compound:
  • single

Link(36)
OCA2 Ala 558 Pro GCT>CCT 558 (c.1672) 16


Homozygous
Patients: France
Link(27)
SNP Arg 560 His CGC>CAC 560 (c.1679) 16

rs35110389




Patients:
dbSNP
SNP Leu 582 Val CTG>GTG 582 (c.1744) 16

rs61751032




Patients:
dbSNP
SNP Leu 582 Met CTG>ATG 582 (c.1744) 16

rs61751032




Patients:
dbSNP
Polymorphism His 584 His ccatg>ccgtg 584 (c.1752) 16




Patients: Indian
Link(31)
OCA2 c.1757delT caacg>cagcg 586 (c.1757) 16




Patients: Northern European
Link(16)
Polymorphism His 591 His CAC>CAT 591 (c.1773) 16

rs1800412




Patients: Caucasian, African American
Link(21)
OCA2 Thr 592 Ile ACC>ATC 592 (c.1775) 16

HGMD listed

rs1800413


Compound:
  • single

Patients: 688
Link(21)
Polymorphism IVS16+71g>a gcgac>gcaac 595 (c.1784) IVS16




Link(22)
OCA2 IVS16+2t>c AGgta>Aggca 595 (c.1784) IVS16

HGMD listed



Compound:
  • V443I

Link(24)
Polymorphism IVS16+93a>g acgtg>acatg 595 (c.1784) IVS16




Link(22)
Polymorphism IVS16-49c>a accgc>aacgc 595 (c.1785) IVS16




Link(14)
Polymorphism IVS16-47a>g accgc>accac 595 (c.1785) IVS16




Link(18)
Link(14)
Link(27)
OCA2 c.1835delA CAA AAA AAG>C_A AAA AAG 612 (c.1835) 17

HGMD listed





Link(14) (25)
OCA1 Lys 614 Glu AAG>GAG 614 (c.1840) 17 MnlI-

HGMD listed



Compond:
  • W679C

Link(24) (25)
OCA2 Lys 614 Asn AAG>AAT 614 (c.1842) 17

HGMD listed





Patients: Tanzanian
Link(32)
OCA2 IVS17+1g-t AAG gt>AAG tt 614 (c.1842) IVS17

HGMD listed





Link(19)
Polymorphism His 615 Arg ag CAT>ag CGT 615 (c.1844) 18

rs1800414




Patients: Asian German
Link(18)
Link(34)
Link(38) (25)
OCA2 Ile 617 Leu ATA>TTA 617 (c.1849) 18

HGMD listed





Link(24)
Polymorphism Asp 619 Asp GAC>GTC 619 (c.1856) 18

rs7164127




Link(5)
SNP Asp 619 Asp GAC>GAT 619 (c.1857) 18

rs7164217




Patients:
dbSNP
OCA2 Cys 626 Arg TGC>CGC 626 (c.1876) 18


Compound:
  • N489D

Patients: Danish
Link(8)
Polymorphism Val 629 Val GTG>GTT 629 (c.1887) 18

rs1800415




Link(18)
Link(14)
OCA2 Ile 646 Val ATT>GTT 646 (c.1936) 18




Patients: Northern Europe
Link(22)
OCA2 c.1939insC ATT CAT>ATT CCA T 647 (c.1939) 18




Patients: Northern Europe
Link(22)
OCA2 IVS18+1g>a CTT G gtgag>CTT G atgag 651 (c.1951) IVS18




Patients: Northern Europe
Phillipines
Link(22)
Polymorphism IVS18+24c>g ttcat>ttgat 651 (c.1951) IVS18




Link(14)
Polymorphism IVS18-59delt tgtta>tg_ta 651 (c.1951) IVS18


Homozygous
Link(18)
Link(31)
Polymorphism IVS18+45g>c tggat>tgcat 651 (c.1951) IVS18

rs66538504




Link(5)
OCA2 Trp 652 Arg TGG>AGG 652 (c.1954) 20

HGMD listed



Typical
Homozygous
Compound:
  • R811S

Link(32)
OCA2 c.1960delG ATT GCT>ATT _CT 654 (c.1960) 20

HGMD listed





Link(19)
OCA2 Glu 678 Lys GAA>AAA 678 (c.2032) 20

HGMD listed





Link(24)
Link(14)
OCA2 Trp 679 Arg TGG>CGG 679 (c.2035) 20

HGMD listed




Compound:
  • K614E
  • N489D
  • R305W

Link(17)
OCA2 Trp 679 Cys TGG>TGC 679 (c.2037) 20 CfoI-

HGMD listed





Link(24) (25)
OCA2 c.2050insT CTG TTT>CTGTTTT 683 (c.2050) 20

HGMD listed





Link(14)
OCA2 c.2050delT CTG TTT>CTG _TT 684 (c.2050) 20




Patients: Northern Europe
Link(22)
Polymorphism Ala 686 Ala GCA>GCC 686 (c.2058) 20

rs1800416




Link(18)
Link(14)
OCA2 Ala 687 Val GCG>GTG 687 (c.2060) 20



Compound:
  • 2.7 kb del

Patients: Spain
Link(4)
OCA2 Leu 688 Phe CTC>TTC 688 (c.2062) 20

HGMD listed





Link(14)
OCA2 c.2106delAinsTTC ATA GAA TAT>ATA GAT TCT AT 702 (c.2106) 21


Compound:
  • A481T

Patients: France
Link(27)
Link(8)
Polymorphism IVS21+22a>t agaag>agtag 713 (c.2139) IVS21




Link(18)
Link(14)
Polymorphism IVS21+18a>g taata>tagta 713 (c.2139) IVS21

rs66538505




Link(18)
Link(14)
Link(34)
Polymorphism IVS21+25c>g aggca>agcca 713 (c.2139) IVS21




Link(18)
Link(14)
Link(22)
Polymorphism IVS21+8ins a ataaa>ataaa a 713 (c.2139) IVS21




Link(22)
OCA2 IVS21-2a>g cag ATG>cgg ATG 714 (c.2140) IVS21

HGMD listed





Link(32)
OCA2 Glu 718 ter GAG>TAG 718 (c.2152) 22


Homozygous
Patients: German
(25)
OCA2 Arg 720 Cys CGC>TGC 720 (c.2158) 22

HGMD listed





Link(24)
Polymorphism / OA Ile 722 Thr ATA>ACA 722 (c.2165) 22

rs1800417



Compound:
  • R419Q = OA

Link(18)
Link(14)
Link(11) (25)
OCA2 Ala 724 Pro GCC>CCC 724 (c.2170) 21

HGMD listed



Compound:
  • G27R

Patients: 812
Link(21)
Link(32)
OCA2 c.2176delGTCCT ATT GTC CTG GTG>ATT ___ __G GTG 726 (c.2176) 22




Link(23)
Link(32)
OCA2 Leu 727 Pro CTG>TTG 727 (c.2180) 22


Compound:
  • N489D
  • T450K

Patients: Danish
Link(8)
Link(36)
OCA2 c.2181insG CTG GTG>CTGGGTG 727 (c.2181) 22

HGMD listed





Link(14)
OCA2 Cys 430 ter TGT>TGA 730 (c.1290) 24


Compound:
  • R455G

Link(36)
OCA2 Ser 732 Leu TCA>TTA 732 (c.2195) 22



Compound:
  • c.898insG

Patients: Turkey
Link(27)
OCA2 Ser 736 Leu TCG>TTG 736 (c.2207) 22


Typical
Compound:
  • G27R

Link(33)
Link(7)
Polymorphism Ser 736 Ser TCG>TCA 736 (c.2208) 22

rs1800418




Link(18)
Link(14)
SNP Ile 737 Ser TCC>ACC 737 (c.2209) 22

rs35039405




Patients:
dbSNP
OA Asn 741 Lys AAC>AAA 741 (c.2223) 22


Compound:
  • V443I

Patients: German
(25)
OCA2 Pro 743 Arg CCG>CGG 743 (c.2228) 22



Compound:
  • 2.7 kb del

Patients: Spain
Link(27)
OCA2 Pro 743 Leu CCG>CTG 743 (c.2228) 22

HGMD listed



Homozygous
Patients: Indian
Link(17)
Link(19)
Link(16)
Link(31)
SNP Pro 743 Pro CCG>CCA 743 (c.2229) 22

rs41301789




Patients:
dbSNP
SNP Thr 745 Thr ACT>ATT 745 (c.2234) 22

rs41301789




Patients:
dbSNP
Polymorphism IVS22+18a>g ccatg>ccgtg 748 (c.2244) IVS22

rs41304383




Patients: Indian
Link(31)
Polymorphism IVS22-94t>a gctga>gcaga 749 (c.2245) IVS22




Link(22)
OCA2 Ala 765 Thr GCA>ACA 765 (c.2293) 23


Compound:
  • single

Patients: German
(25)
OCA2 Gly 775 Arg GGT>CGT 775 (c.2323) 23




Patients: Chinese
Link(9)
OCA2 Gly 775 Ser GGT>AGT 775 (c.2323) 23


Compound:
  • single

Patients: German
(25)
OCA2 Ala 776 Asp GCT>GAT 776 (c.2327) 23


Compound:
  • K155N

Link(36)
Polymorphism Ala 776 Ala GCT>GCC 776 (c.2328) 23

rs1800419




Link(24)
Link(18)
Link(14)
Link(2)
Link(11)
Link(31)
OCA2 c.2334delG CTG GGA>CT_ GGA 778 (c.2334) 23

HGMD listed



Compound:
  • N489D

Link(24)
Link(8)
Polymorphism IVS23+37c>t cacgc>catgc 780 (c.2338) IVS23




Link(22)
Polymorphism IVS23+75t>c tacgt>gatgt 780 (c.2338) IVS23

rs8025804




Link(2)
Polymorphism Gly 780 Gly tag GC>tag GT 780 (c.2340) 24

rs1800420


Not related to any variation in skin pigmentation
Link(18)
Link(14)
Link(12)
Link(30)
Link(1)
Link(11)
OCA2 Gly 782 Arg GCT>GAT 782 (c.2344) 24


Compound:
  • c.980insT

Link(36)
OCA2 c.2351del26bp ACA CTG ATT GGC GCG TCG GCA AAC GTC GTG TGT>ACA C__ ___ ___ ___ ___ ___ ___ ___ ___ TGT 784 (c.2351) 24


Compound:
  • c.860del24bp

Link(36)
OCA2 Ala 787 Thr GCG>ACG 787 (c.2359) 24


Homozygous
Patients: Chinese
Indian
Link(9)
Link(31)
OCA2 Ala 787 Val GCG>GTG 787 (c.2360) 24

HGMD listed



Compound:
  • G27R

Patients: 815
Link(21)
Polymorphism Ser 788 Ser TCG>TCA 788 (c.2364) 24

rs12592307




Link(24)
Link(18)
Link(14)
Link(12)
Link(30)
Link(34)
Link(31)
Polymorphism Gln 789 Ala GCA>CAA 789 (c.2365) 24




Link(22)
OCA2 c.2370delCGT AAC GTC GTG>AA_ __C GTG 790 (c.2370) 24




Patients: Japanese
Link(10)
OCA2 c.2372delTC AAC GTC GTG>AAC G__ GTG 791 (c.2372) 24




Patients: Ashkenazi Jews
Link(22)
OA Cys 793 Phe TGT>TTT 793 (c.2378) 24 BsgI-

Compound:
  • V443I
  • N476S

Patients: German
(25)
OCA2 Gly 795 Arg GGG>CGG 795 (c.2383) 24

HGMD listed





Link(24)
OCA2 Gln 799 His CAG>CAC 799 (c.2397) 24




Patients: Japanese
Link(12)
Polymorphism IVS24+21a>g aaattt>aagtt 811 (c.2432) IVS24




Link(22)
Polymorphism IVS24+11g>c cag GC>cac GC 811 (c.2432) IVS24




Link(34)
OCA2 Arg 811 Ser tcag G CTG>tcag T CTG 811 (c.2433) 25



Compound:
  • T652R

Patients: France
Link(27)
OCA2 IVS24-1g>c cag GC>caa GC 811 (c.2433) IVS24




Patients: Japanese
Link(34)
OCA2 Met 816 Lys TGT>TTT 816 (c.2448) 25


Compound:
  • P211L

Patients: German
(25)
OCA2 Gly 824 Arg TGT>TAT 824 (c.2477) 25


Homozygous
Patients: Indian
Link(31)
OCA2 Tyr 827 His GCG>ACG 827 (c.2466) 24


Compound:
  • N476D

Patients: Chinese
Link(9)
OA c.2498delTGG CAT GTG GTG>CAT G__ _TG 833 (c.2498) 25

HGMD listed



Compound:
  • 163delG

Link(24)
SNP Val 834 Met GTG>ATG 834 (c.2500) 25

rs34704703




Patients:
dbSNP
OA c.2502delG GTG GTG GTG>GTG GT_ GTG 834 (c.2502) 25


Compound:
  • I491T
  • R419Q
  • [V443I,M816K]

Patients: German
(25)
Polymorphism 2899tc cttgt>ctcgt 837 (c.2899) 3'UTR




Link(23)
Polymorphism 2564a>g tcaca>tcgca 838 (c.2564) 3'UTR




Link(22)
     

References:

  1. Akey,J.M., Wang,H., Xiong,M., Wu,H., Liu,W., Shriver,M.D., and Jin,L. Interaction between the melanocortin-1 receptor and P genes contributes to inter-individual variation in skin pigmentation phenotypes in a Tibetan population. 2001; Hum.Genet. 108: 516-520.
    Link Goto Top
  2. Aquaron,R., Soufir,N., Berge-Lefranc,J.L., Badens,C., Austerlitz,F., and Grandchamp,B. Oculocutaneous albinism type 2 (OCA2) with homozygous 2.7-kb deletion of the P gene and sickle cell disease in a Cameroonian family. Identification of a common TAG haplotype in the mutated P gene. 2007; J.Hum.Genet. 52: 771-780.
    Link Goto Top
  3. Chiang,P.W., Fulton,A.B., Spector,E., and Hisama,F.M. Synergistic interaction of the OCA2 and OCA3 genes in a family. 2008; Am.J.Med.Genet.A. 146A: 2427-2430.
    Link Goto Top
  4. Chiang,P.W., Spector,E., and Tsai,A.C. Evidence suggesting the inheritance mode of the human P gene in skin complexion is not strictly recessive. 2008; Am.J.Med.Genet.A. 146A: 1493-1496.
    Link Goto Top
  5. Duffy,D.L., Montgomery,G.W., Chen,W., Zhao,Z.Z., Le,L., James,M.R., Hayward,N.K., Martin,N.G., and Sturm,R.A. A three-single-nucleotide polymorphism haplotype in intron 1 of OCA2 explains most human eye-color variation. 2007; Am.J.Hum.Genet. 80: 241-252.
    Link Goto Top
  6. Durham-Pierre,D., Gardner,J.M., Nakatsu,Y., King,R.A., Francke,U., Ching,A., Aquaron,R., del,M., V, and Brilliant,M.H. African origin of an intragenic deletion of the human P gene in tyrosinase positive oculocutaneous albinism. 1994; Nat.Genet. 7: 176-179.
    Link Goto Top
  7. Garrison,N.A., Yi,Z., Cohen-Barak,O., Huizing,M., Hartnell,L.M., Gahl,W.A., and Brilliant,M.H. P gene mutations in patients with oculocutaneous albinism and findings suggestive of Hermansky-Pudlak syndrome. 2004; J.Med.Genet. 41: e86
    Link Goto Top
  8. Gronskov,K., Ek,J., Sand,A., Scheller,R., Bygum,A., Brixen,K., Brondum-Nielsen,K., and Rosenberg,T. Birth prevalence and mutation spectrum in danish patients with autosomal recessive albinism. 2009; Invest Ophthalmol Vis.Sci. 50: 1058-1064.
    Link Goto Top
  9. Hongyi,L., Haiyun,W., Hui,Z., Qing,W., Honglei,D., Shu,M., and Weiying,J. Prenatal diagnosis of oculocutaneous albinism type II and novel mutations in two Chinese families. 2007; Prenat.Diagn. 27: 502-506.
    Link Goto Top
  10. Ito,S., Suzuki,T., Inagaki,K., Suzuki,N., Kono,M., Tomita,Y., Iwamoto,T., and Mochizuki,N. Two novel mutations detected in Japanese patients with oculocutaneous albinism. 2006; J.Dermatol.Sci. 44: 116-118.
    Link Goto Top
  11. Jannot,A.S., Meziani,R., Bertrand,G., Gerard,B., Descamps,V., Archimbaud,A., Picard,C., Ollivaud,L., Basset-Seguin,N., Kerob,D., Lanternier,G., Lebbe,C., Saiag,P., Crickx,B., Clerget-Darpoux,F., Grandchamp,B., Soufir,N., and Melan,C. Allele variations in the OCA2 gene (pink-eyed-dilution locus) are associated with genetic susceptibility to melanoma. 2005; Eur.J.Hum.Genet. 13: 913-920.
    Link Goto Top
  12. Kato,A., Fukai,K., Oiso,N., Hosomi,N., Saitoh,S., Wada,T., Shimizu,H., and Ishii,M. A novel P gene missense mutation in a Japanese patient with oculocutaneous albinism type II (OCA2). 2003; J.Dermatol.Sci. 31: 189-192.
    Link Goto Top
  13. Kawai,M., Suzuki,T., Ito,S., Inagaki,K., Suzuki,N., and Tomita,Y. A patient with subclinical oculocutaneous albinism type 2 diagnosed on getting severely sunburned. 2005; Dermatology. 210: 322-323.
    Link Goto Top
  14. Kerr,R., Stevens,G., Manga,P., Salm,S., John,P., Haw,T., and Ramsay,M. Identification of P gene mutations in individuals with oculocutaneous albinism in sub-Saharan Africa. 2000; Hum.Mutat. 15: 166-172.
    Link Goto Top
  15. King,R.A., Pietsch,J., Fryer,J.P., Savage,S., Brott,M.J., Russell-Eggitt,I., Summers,C.G., and Oetting,W.S. Tyrosinase gene mutations in oculocutaneous albinism 1 (OCA1): definition of the phenotype. 2003; Hum.Genet. 113: 502-513.
    Link Goto Top
  16. King,R.A., Willaert,R.K., Schmidt,R.M., Pietsch,J., Savage,S., Brott,M.J., Fryer,J.P., Summers,C.G., and Oetting,W.S. MC1R Mutations Modify the Classic Phenotype of Oculocutaneous Albinism Type 2 (OCA2). 2003; Am.J.Hum.Genet. 73: 638-645.
    Link Goto Top
  17. Lee,S.T., Nicholls,R.D., Bundey,S., Laxova,R., Musarella,M., and Spritz,R.A. Mutations of the P gene in oculocutaneous albinism, ocular albinism, and Prader-Willi syndrome plus albinism. 1994; N.Engl.J.Med. 330: 529-534.
    Link Goto Top
  18. Lee,S.T., Nicholls,R.D., Jong,M.T., Fukai,K., and Spritz,R.A. Organization and sequence of the human P gene and identification of a new family of transport proteins. 1995; Genomics. 26: 354-363.
    Link Goto Top
  19. Lee,S.T., Nicholls,R.D., Schnur,R.E., Guida,L.C., Lu Kuo,J., Spinner,N.B., Zackai,E.H., and Spritz,R.A. Diverse mutations of the P gene among African-Americans with type II ( ) oculocutaneous albinism (OCA2). 1994; Hum.Mol.Genet. 3: 2047-2051.
    Link Goto Top
  20. Manga,P., Kromberg,J.G., Turner,A., Jenkins,T., and Ramsay,M. In Southern Africa, Brown Oculocutaneous Albinism (BOCA) Maps to the OCA2 Locus on Chromosome 15q: P-Gene Mutations Identified. 2001; Am.J.Hum.Genet. 68: 782-787.
    Link Goto Top
  21. Oetting,W.S., Gardner,J.M., Fryer,J.P., Ching,A., Durham Pierre,D., King,R.A., and Brilliant,M.H. Mutations of the human P gene associated with Type II oculocutaneous albinism (OCA2). 1998; Hum.Mutat. 12: 434
    Link Goto Top
  22. Oetting,W.S., Garrett,S.S., Brott,M., and King,R.A. P gene mutations associated with oculocutaneous albinism type II (OCA2). 2005; Hum.Mutat. 25: 323
    Link Goto Top
  23. Oetting,W.S. and King,R.A. Molecular basis of albinism: mutations and polymorphisms of pigmentation genes associated with albinism. 1999; Hum.Mutat. 13: 99-115.
    Link Goto Top
  24. Passmore,L., Käsmann-Kellner,B., and Weber,B.H.F. Novel and recurrent mutations in the tyrosinase gene and the P gene in the German albino population. 1999; Hum.Genet. 105: 200-210.
    Link Goto Top
  25. Preising,M.N., Forster,H., and Lorenz,B. Mutations screening of TYR, OCA2, GPR143, and MC1R in Patients Identified by Congenital Nystagmus, Macular Hypoplasia and Hypopiogmentatof the Fundus; the Classical Features of Ocular and Oculocutaneous Albinism. 2010; submitted for publication.
    Goto Top

  26. Rebbeck,T.R., Kanetsky,P.A., Walker,A.H., Holmes,R., Halpern,A.C., Schuchter,L.M., Elder,D.E., and Guerry,D. P gene as an inherited biomarker of human eye color. 2002; Cancer Epidemiol.Biomarkers Prev. 11: 782-784.
    Link Goto Top
  27. Rooryck,C., Morice-Picard,F., Elcioglu,N.H., Lacombe,D., Taieb,A., and Arveiler,B. Molecular diagnosis of oculocutaneous albinism: new mutations in the OCA1-4 genes and practical aspects. 2008; Pigment Cell Melanoma Res. 21: 583-587.
    Link Goto Top
  28. Rosenmann,A., Bejarano-Achache,I., Eli,D., Maftsir,G., Mizrahi-Meissonnier,L., and Blumenfeld,A. Prenatal molecular diagnosis of oculocutaneous albinism (OCA) in a large cohort of Israeli families. 2009; Prenat.Diagn. 29: 939-946.
    Link Goto Top
  29. Saadeh,R., Lisi,E.C., Batista,D.A., McIntosh,I., and Hoover-Fong,J.E. Albinism and developmental delay: the need to test for 15q11-q13 deletion. 2007; Pediatr.Neurol. 37: 299-302.
    Link Goto Top
  30. Saitoh,S., Oiso,N., Wada,T., Narazaki,O., and Fukai,K. Oculocutaneous albinism type 2 with a P gene missense mutation in a patient with Angelman syndrome. 2000; J.Med.Genet. 37: 392-394.
    Link Goto Top
  31. Sengupta,M., Mondal,M., Jaiswal,P., Sinha,S., Chaki,M., Samanta,S., and Ray,K. Comprehensive Analysis of the Molecular Basis of OCA in Indian Patients Lacking Mutation in Tyrosinase Gene. 2010; Br.J.Dermatol.
    Link Goto Top
  32. Spritz,R.A., Fukai,K., Holmes,S.A., and Luande,J. Frequent intragenic deletion of the P gene in Tanzanian patients with type II oculocutaneous albinism (OCA2). 1995; Am.J.Hum.Genet. 56: 1320-1323.
    Link Goto Top
  33. Spritz,R.A., Lee,S.T., Fukai,K., Brondum Nielsen,K., Chitayat,D., Lipson,M.H., Musarella,M.A., Rosenmann,A., and Weleber,R.G. Novel mutations of the P gene in type II oculocutaneous albinism (OCA2). 1997; Hum.Mutat. 10: 175-177.
    Link Goto Top
  34. Suzuki,T., Miyamura,Y., Matsunaga,J., Shimizu,H., Kawachi,Y., Ohyama,N., Ishikawa,O., Ishikawa,T., Terao,H., and Tomita,Y. Six novel P gene mutations and oculocutaneous albinism type 2 frequency in Japanese albino patients. 2003; J Invest Dermatol. 120: 781-783.
    Link Goto Top
  35. Suzuki,T., Miyamura,Y., and Tomita,Y. High frequency of the Ala481Thr mutation of the P gene in the Japanese population. 2003; Am J Med Genet A. 118: 402-403.
    Link Goto Top
  36. Wei,A., Wang,Y., Long,Y., Wang,Y., Guo,X., Zhou,Z., Zhu,W., Liu,J., Bian,X., Lian,S., and Li,W. A comprehensive analysis reveals mutational spectra and common alleles in Chinese patients with oculocutaneous albinism. 2010; J.Invest Dermatol. 130: 716-724.
    Link Goto Top
  37. Yi,Z., Garrison,N., Cohen-Barak,O., Karafet,T.M., King,R.A., Erickson,R.P., Hammer,M.F., and Brilliant,M.H. A 122.5-kilobase deletion of the P gene underlies the high prevalence of oculocutaneous albinism type 2 in the Navajo population. 2003; Am.J.Hum.Genet. 72: 62-72.
    Link Goto Top
  38. Yuasa,I., Umetsu,K., Harihara,S., Kido,A., Miyoshi,A., Saitou,N., Dashnyam,B., Jin,F., Lucotte,G., Chattopadhyay,P.K., Henke,L., and Henke,J. Distribution of two Asian-related coding SNPs in the MC1R and OCA2 genes. 2007; Biochem.Genet. 45: 535-542.
    Link Goto Top
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