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Scientific Newsletter


Mutation Database
Mutations of the P-Gene

Recent update from: 13.11.2002


Phenotype Mutation Basechange Nucleotide Exon Restriction Site Classification
& Remarks
Mutation Database OMIM Reference
Sequence




The sequence data are adjusted to a sequence given in a WORD file which can be downloaded here. Nucleotides are counted from the translation start site as used in most publications of TYR mutations.


OA Met 446 Val ATG-GTG 1336 13
Typical
Compound:
  • single
goto HGMD
(12)
OCA1 Lys 614 Glu AAG-GAG 1840 17
Compond:
  • W976C
goto HGMD
(10)
OCA2 Gly 27 Arg GGA-AGA 0079 01
Typical
Compound:
  • S736L
goto HGMD
(12)
OCA2 Ser 86 Arg AGC-AGG 0258 03
Compound:
  • single
goto HGMD
(8)
To online reference
OCA2 Cys 112 Phe TGC-TTC 0335 04
Compound:
  • single
goto HGMD
(8)
To online reference
OCA2 482delG AGC CCG-A_C CCG 0482 04
Typical
Compound:
  • single


(12)
OCA2 IVS5-19a-g caacg-cagcg 0574 IVS 05

goto HGMD
(11)
OCA2 615del18bp CAG CTG TTG GCC TTA TCA CCG-CA_ ___ ___ ___ ___ ___ __G 0615 06

goto HGMD
(6)
OCA2 2.7 kb del 2.7 kb del 0647 IVS 06
Homozygous Heterozygous
Compound:
  • single
goto HGMD
(2)
(10)
(7)
OCA2 Asn 273 Lys AAC-AAG 0819 08
Compound:
  • W274V


(6)
OCA2 Trp 274 Val TGG-GTC 0822 08
Compound:
  • N273K


(6)
OCA2 Arg 290 Gly AGG-GGG 0868 08
Homozygous goto HGMD
(10)
OCA2 Ala 334 Val GCG-GTG 1001 09

goto HGMD
(3)
OCA2 1047del7bp ATC GTG CAC AGA-AT_ ___ ___ AGA 1047 10
Compound:
  • Del exon 7
goto HGMD
(8)
To online reference
OCA2 Val 350 Met GTG-ATG 1048 10

goto HGMD
(3)
OCA2 Ala 368 Val GCT-GTT 1103 10
Homozygous goto HGMD
(8)
To online reference
OCA2 Ile 370 Thr ATT-ACT 1109 10

goto HGMD
(3)
OCA2 Phe 385 Ile TTT-ATT 1153 11

goto HGMD
(6)
OCA2 Met 395 Leu ATG-CTG 1183 12
Splice defect? goto HGMD
(6)
OCA2 Leu 404 Met ACG-ATG 1211 12



(9)
OCA2 Arg 419 Trp CGG-TGG 1255 13
Typical
Compound:
  • I473S
goto HGMD
(12)
OCA2 1273delATG GCC ATG ATC-GCC ___ ATC 1273 13

goto HGMD
(6)
OCA2 Val 443 Ile GTC-ATC 1327 13
Compound:
  • IVS16+2T-C
goto HGMD
(6)
(10)
OCA2 Ile 473 Ser ATC-AGC 1418 14
Typical
Compound:
  • R419W
goto HGMD
(12)
OCA2 Ala 481 Thr GCC-ACC 1441 14

goto HGMD
(4)
OCA2 IVS14-2a-g gacag-gacgg 1503 IVS 14

goto HGMD
(3)
OCA2 158delG AGG GGG GCT-A_G GGG GCT 158 01
Compound:
  • V833del
goto HGMD
(10)
OCA2 His 549 Gln CAC-CAA 1647 16

goto HGMD
(9)
OCA2 Thr 592 Ile ACC-ATC 1775 16
Compound:
  • single
goto HGMD
(8)
To online reference
OCA2 IVS16+2t-c AGgta-Aggca 1784 IVS 16
Compound:
  • V443I


(10)
OCA2 1835delA CAA AAA AAG-C_A AAA AAG 1835 17

goto HGMD
(3)
OCA2 2498delTGG AAG gta-AAT gta 1842 17
Compound:
  • 163delG
Splice mutation?
goto HGMD
(11)
OCA2 IVS17+1g-t AAG gt-AAG tt 1842 IVS 17

goto HGMD
(4)
OCA2 Ile 617 Leu ATA-TTA 1849 18

goto HGMD
(10)
OCA2 Trp 652 Arg TGG-AGG 1954 20
Typical
Homozygous
goto HGMD
(12)
OCA2 1960delG GCT-_CT 1960 20

goto HGMD
(4)
OCA2 Trp 679 Arg TGG-CGG 2035 20

goto HGMD
(6)
OCA2 Trp 679 Cys TGG-TGC 2037 20

goto HGMD
(10)
OCA2 2049insT CTG TTT-CTGTTTT 2049 20

goto HGMD
(3)
OCA2 Leu 688 Phe CTC-TTC 2062 20

goto HGMD
(3)
OCA2 IVS21-2a-g cag ATG-cgg ATG 2139 IVS 21

goto HGMD
(11)
OCA2 Lys 614 Asn AAG-AAT 2140 22

goto HGMD
(11)
OCA2 Arg 720 Cys CGC-TGC 2158 22

goto HGMD
(10)
OCA2 Ala 724 Pro GCC-CCC 2170 21
Compound:
  • G27R
goto HGMD
(8)
To online reference
OCA2 2176delGTCCT ATT GTC CTG GTG-ATT ___ __G GTG 2176 22



(9)
OCA2 2181insG CTG GTG-CTGGGTG 2181 22

goto HGMD
(3)
OCA2 Ser 736 Leu TCG-TTG 2207 22
Typical
Compound:
  • G27R


(12)
OCA2 Pro 743 Leu CCG-CTG 2228 22

goto HGMD
(6)
OCA2 2334delG CTG GGA-CT_ GGA 2334 23

goto HGMD
(10)
OCA2 Ala 787 Val GCG-GTG 2360 24
Compound:
  • G27R
goto HGMD
(8)
To online reference
OCA2 Glu 678 Lys GAA-AAA 2383 20

goto HGMD
(10)
OCA2 Gly 795 Arg GGG-CGG 2383 24

goto HGMD
(10)
OCA2 2498delTGG CAT GTG GTG-CAT G__ _TG 2498 25
Compound:
  • 163delG
goto HGMD
(10)
OCA2, OA Asn 489 Asp AAT-GAT 1465 14
Severe
Compound:
  • single
goto HGMD
(12)
Polymorphism IVS3+42g/t ctgag/ctgat 0326 IVS 03



(8)
To online reference
Polymorphism IVS4-53t/a gtctg/gtcag 0516 IVS 04



(8)
To online reference
Polymorphism IVS5-18c/t caacg/caatg 0573 IVS 05



(5)
Polymorphism IVS5-39t/c catac/cacac 0573 IVS 05



(3)
Polymorphism Asp 257 Ala GAT/GCT 0770 07



(8)
To online reference
Polymorphism IVS7+25g/c gaaag/gaaac 0807 IVS07



(8)
To online reference
Polymorphism IVS7+23a/t gaaag/gatag 0807 IVS 07



(5)
Polymorphism Arg 305 Trp CGG/TGG 0913 09



(10)
Polymorphism Leu 308 Leu CTG/TTG 0922 09



(8)
To online reference
Polymorphism Gln 321 Gln CAG/CAA 0963 09



(3)
Polymorphism Ala 336 Ala GCC/GTC 1007 09



(3)
Polymorphism Tyr 342 Tyr TAC/TAT 1026 09



(5)
(3)
Polymorphism Ala 355 Ala GCG/GCA 1065 10



(10)
Polymorphism Gly 371 Gly GGC/GGG 1113 10



(5)
Polymorphism Leu 376 Leu CTG/CTT 1128 11



(8)
To online reference
Polymorphism IVS11-4a/g ccata/ccgta 1184 IVS11



(10)
Polymorphism Arg 419 Gln CGG/CAG 1256 13

goto HGMD
(10)
Polymorphism Leu 440 Phe TTG/TTC 1320 13



(5)
Polymorphism IVS13+26a/g agttg/ggttg 1364 IVS 13



(5)
(3)
Polymorphism IVS13-15t/c cttcc/cctcc 1364 IVS 13
Not involved in variations of skin pigmentation

(10)
(1)
Polymorphism IVS13-13a/t ccatt/ccttt 1364 IVS 13



(8)
To online reference
Polymorphism IVS13+4c/a gtacg/gtaag 1364 IVS 13



(5)
(3)
Polymorphism Glu 458 Glu GAG/GAA 1374 14



(5)
Polymorphism IVS14+5g/a gtacg/gtaca 1503 IVS 14



(3)
Polymorphism Cys 517 Cys TGC/TGT 1551 15



(10)
Polymorphism His 591 His CAC/CAT 1773 16



(8)
To online reference
Polymorphism IVS16-49c/a accgc/aacgc 1785 IVS 16



(3)
Polymorphism IVS16-47a/g accgc/accac 1785 IVS 16



(5)
(3)
Polymorphism His 615 Arg ag CAT/ag CGT 1844 18



(5)
Polymorphism Val 629 Val GTG/GTT 1887 18



(5)
(3)
Polymorphism IVS18+24c/g gttca/gttga 1951 IVS 18



(3)
Polymorphism IVS18-59delt gttat/g_tat 1951 IVS 18



(5)
Polymorphism Ala 686 Ala GCA/GCC 2058 20



(5)
(3)
Polymorphism IVS21+22a/t gaagg/gtagg 2139 IVS 21



(5)
(3)
Polymorphism IVS21+18a/g taata/tagta 2139 IVS 21



(5)
(3)
Polymorphism IVS21+25c/g gaagg/gaagc 2139 IVS 21



(5)
(3)
Polymorphism Ile 722 Thr ATA/ACA 2165 22



(5)
(3)
Polymorphism Ser 736 Ser TCG/TCA 2208 22



(5)
(3)
Polymorphism Ala 776 Ala GCT/GCC 2328 23



(10)
Polymorphism Gly 780 Gly tag GC/tag GT 2340 24
Not related to any variation in skin pigmentation

(5)
(3)
(1)
Polymorphism Ser 788 Ser TCG/TCA 2364 24



(10)
Polymorphism 2899tc cttgt/ctcgt 2899 3'UTR



(9)

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 to PubMed
    Goto Top

  2. Durham Pierre,D., Gardner,J.M., Nakatsu,Y., King,R.A., Francke,U., Ching,A., Aquaron,R., del Marmol,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.
    Goto Top

  3. 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 to PubMed
    Goto Top

  4. 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.
    Goto Top

  5. 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 to PubMed
    Goto Top

  6. 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 (tyrosinase-positive) oculocutaneous albinism (OCA2). 1994; Hum.Mol.Genet. 3: 2047-2051.
    Goto Top

  7. 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 to PubMed
    Goto Top

  8. 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 to PubMed
    Human Mutation Online
    Goto Top

  9. 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 to PubMed
    Goto Top

  10. Passmore,L., Kaesmann-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.
    Goto Top

  11. 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.
    Goto Top

  12. 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.
    Goto Top


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This site is maintained and edited by
Dr. rer. medic. Markus Preising, Dipl.Biol.
Molecular Genetics Laboratory
Department of Pediatric Ophthalmology, Strabismology and Ophthalmogenetics
University of Regensburg
Head: Prof. Dr. med. Birgit Lorenz