ABCMdb

ABCB11 p.Val284Ala

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PMID: 14999697 [PubMed] Pauli-Magnus C et al: "BSEP and MDR3 haplotype structure in healthy Caucasians, primary biliary cirrhosis and primary sclerosing cholangitis."

No. Sentence Comment

68 Nonsynonymous changes observed as singletons or doubletons encoded the following amino acid changes: S194P, G260D, V284A, R698H, Table 1. Login to comment
73 Alignment of all mammalian BSEP sequences indicated that 5 of the 6 nonsynonymous coding variants were in codons for an evolutionarily conserved amino acid (S194P, V284A, V444A, R698H, and A1228V) (Table 2). Login to comment
84 One variant (T851C 3 V284A) was only found in the control group, 3 were specific to PBC patients (G779A 3 G620D, C1530A and C3683T 3 A1228V), and 1 to PSC patients (T580C 3 S194P). Login to comment

PMID: 16763017 [PubMed] Lang T et al: "Genetic variability, haplotype structures, and ethnic diversity of hepatic transporters MDR3 (ABCB4) and bile salt export pump (ABCB11)."

No. Sentence Comment

67 The numbers 1 to 53 in the variant ID column indicate all variants included in haplotype analysis and linkage disequilibrium estimation. Variant ID 5Ј Sequence Genetic Variation 3Ј Sequence Region Amino Acid Change CA AA JA Total n % n % n % n % 54 GTAGTCACA g.-15595CϾT TTTCAGAGC Promoter 186 0.5 92 0.0 88 0.0 366 0.3 1 ACACTCTCT g.-15281_-15278 delCTCT CACACAGCA Promoter 186 10.2 92 4.3 86 26.7 364 12.6 2 CCCCCTCCC g.-15150TϾC GCCCCCAGA Promoter 148 48.0 76 39.5 92 25.0 316 58.9 3 TGACTGTAG g.-15018GϾA GACCACAAC Promoter 158 10.1 78 0.0 92 29.3 328 13.1 4 ATTAAGCAC g.-14944GϾA ATCAACTCA Promoter 198 10.1 72 0.0 96 28.1 366 12.8 5 CTATTGGGA g.-14589AϾT TCTTTTCCC Promoter 198 0.0 90 2.2 88 0.0 376 0.5 55 TGAAGCAAA g.-14524AϾT TTTTTTTCC Promoter 198 0.0 90 1.1 88 0.0 376 0.3 6 TACATTTGC g.-14473GϾA TCAACTCAG Promoter 198 2.5 90 18.9 88 0.0 376 8.8 7 TTGCATAGA g.-14437GϾA GAAACATCT Promoter 198 29.8 94 22.3 96 14.6 388 24.2 8 ATTATATGT g.-14353TϾC ATAATTTTG Promoter 190 61.6 80 92.5 88 75.0 358 71.8 56 ATAAACCAT g.-14316CϾA TTATACATA Promoter 192 0.5 80 0.0 88 0.0 360 0.3 9 ACCATCTTA g.-14312TϾC ACATAAATT Promoter 192 0.0 80 0.0 88 3.4 360 0.8 57 ATAAATTCC g.-14300AϾT ATAGAGAAA Promoter 192 0.0 80 1.3 88 0.0 360 0.3 10 TTTAATTTC g.-14207TϾC GCAAATTAA Promoter 190 2.1 80 17.5 88 10.2 358 7.5 11 TTGTTACAC g.-14104CϾT TTAGGAGGA Promoter 196 2.6 92 0.0 96 0.0 384 1.3 12 CATGATAGC g.-14035AϾG CCCAACTCC Promoter 194 1.5 92 1.1 96 0.0 382 1.0 58 AAGGCTGGA g.-13910GϾA TGAGAGGCA Promoter 202 0.0 94 1.1 96 0.0 392 0.3 13 AGAGGAAGA g.-13814GϾA GCAGCACAA Promoter 194 0.0 94 6.4 88 0.0 376 1.6 14 GCACAAATA g.-13801TϾC ATTGGAGCT Promoter 194 1.5 94 0.0 88 0.0 376 0.8 15 CTCAGACTT g.-13662TϾC TGAGCAAGG Promoter 192 0.0 94 7.4 86 0.0 372 1.9 83 TTAAAGGTA g.-13523͓T͔9 GTCTTGTTA Promoter 200 10.0 90 11.1 96 28.1 386 14.8 84 TTAAAGGTA g.-13523͓T͔10 GTCTTGTTA Promoter 200 9.0 90 18.9 96 6.3 386 10.6 85 TTAAAGGTA g.-13523͓T͔11 GTCTTGTTA Promoter 200 65.0 90 53.3 96 45.8 386 57.5 86 TTAAAGGTA g.-13523͓T͔12 GTCTTGTTA Promoter 200 16.0 90 16.7 96 19.8 386 17.1 59 CTGGGCCAG g.-13595GϾA AGCATCTGG Promoter 198 0.0 94 1.1 96 0.0 388 0.3 16 CAAGCACAC g.-13333TϾC CTGTGTTTG Promoter 196 0.0 76 0.0 96 3.9 368 0.9 17 ATGTTTCTC g.-13297GϾA TATGTCACT Promoter 196 0.0 76 3.9 96 0.0 368 0.8 60 TCCACAGTG g.-13142GϾA AGTCCATTA Exon 1 194 0.0 76 0.0 92 1.1 362 0.3 18 TTGATTAAA g.-77GϾA AAGAAAGAA Intron 1 202 2.5 88 11.4 90 12.2 380 6.8 19 ATTTTTTTT g.1319delT CTGACAGAT Intron 2 198 0.0 88 3.4 92 0.0 378 0.8 20 TTTAAATCC g.3754TϾC TATGTTTTT Intron 3 198 7.1 62 32.3 88 12.5 348 12.9 21 GTTACAAGA g.3781TϾC GAGAAGAAA Exon 4 D36D 198 0.0 62 0.0 88 26.1 348 6.6 22 GAATCTAGT g.4542AϾT ACTAAATTA Intron 4 184 0.0 90 0.0 92 2.2 366 0.5 61 CAAGTTTCG g.4621GϾA TTTTCTTCA Exon 5 R52R 184 0.0 90 1.1 92 0.0 366 0.3 23 AGATGTTTT g.4735TϾC ATTGACTAC Exon 5 F90F 184 2.7 90 13.3 92 12.0 366 7.7 24 GGGTAGGTT g.4862GϾA TTTTTGTTT Intron 5 182 4.9 90 2.2 94 0.0 366 3.0 25 GCTGAACAT g.21416CϾT GAGAGCGAA Exon 6 I134I 192 0.0 86 18.6 88 0.0 366 4.4 26 AGCTCCTCC g.21507GϾA TATAATTTA Intron 6 196 0.0 92 18.5 92 0.0 380 4.5 27 ACAATGAGA g.21554TϾG GCAATGTGT Intron 6 196 0.0 92 0.0 92 4.3 380 1.1 62 TGTATTGAA g.22567AϾT GTACTTTCT Intron 6 198 0.5 94 0.0 94 0.0 386 0.3 63 TTTGAATGA g.24203TϾC CAAATTCAG Intron 7 192 0.5 90 0.0 94 0.0 376 0.3 64 TCTAGTGAT g.24248AϾG TTAATAAAA Exon 8 I206V 194 0.0 90 1.1 96 0.0 380 0.3 28 TACGGACTA g.27224TϾC GAGCTGAAG Exon 9 Y269Y 200 0.0 80 0.0 96 27.1 376 6.9 65 CTGATGAAG g.27268TϾC CATTTCATC Exon 9 V284A 200 0.5 80 0.0 96 0.0 376 0.3 66 GTGAGAAAA g.27313GϾA AGAGGTTGA Exon 9 R299K 200 0.0 80 0.0 96 1.0 376 0.3 29 ACTGCATCA g.31773CϾT GGCCTGTTT Intron 9 178 5.1 70 1.4 48 0.0 296 3.4 30 TGTTTCTGC g.31811CϾT GAAATTGAC Intron 9 196 4.6 72 4.2 86 0.0 354 3.4 31 TTGACTCAA g.31825GϾA CATTTTGTC Intron 9 196 4.6 72 26.4 86 0.0 354 7.9 32 GACTCAAGC g.31827AϾG TTTTGTCTT Intron 9 196 70.4 72 84.7 86 90.7 354 78.2 33 TAGAAAAGG g.31890AϾG ATAGTGATG Exon 10 G319G 196 4.6 72 26.4 86 0.0 354 7.9 34 GACTTATTG g.32034AϾT CCGAGACAT Intron 10 196 0.0 66 4.5 82 0.0 344 0.9 67 CCTCAGTGT g.38161CϾT ATAGTAGGA Exon 11 V366V 196 0.0 88 1.1 94 0.0 378 0.3 35 CATTTTTGA g.38248GϾA ACAATAGAC Exon 11 E395E 196 0.0 88 8.0 96 0.0 380 1.8 36 GCAGAGATA g.41348CϾT GCCAAAGAT Intron 11 198 0.0 72 2.8 80 0.0 350 0.6 37 CCACAAATT g.41622GϾT CTCATTTTC Intron 12 196 1.0 72 0.0 74 0.0 342 0.6 38 CAGTGACAA g.44255delT CTGAACTTT Intron 12 190 0.0 94 2.1 92 0.0 376 0.5 39 TCAACATGG g.44308TϾC CATTAAACC Exon 13 V444A 190 59.5 90 65.6 92 80.4 372 66.1 40 TTGATCAAA g.44481CϾT AGAAAGGTG Intron 13 188 59.0 90 65.6 92 80.4 370 65.9 68 CAAGGAGGC g.46246CϾT AATGCCTAC Exon 14 A535A 184 0.0 86 0.0 96 1.0 366 0.3 41 GGGAGAAAC g.46311TϾC AAGAGGTCG Intron 14 182 60.4 86 66.3 94 79.8 362 66.9 42 GTTGCTCAT g.48611CϾG GCTTGTCTA Exon 16 R616G 194 0.0 90 2.2 96 0.0 380 0.5 69 CGCTTGTCT g.48620AϾG CGGTCAGAG Exon 16 T619A 194 0.0 90 1.1 96 0.0 380 0.3 70 CAGAGCTGC g.48634AϾG GATACCATC Exon 16 A623A 194 0.0 90 1.1 96 0.0 380 0.3 43 GAAGATGAC g.49653AϾG TGCTTGCGA Exon 17 M677V 190 4.2 86 14.0 88 0.0 364 5.5 71 CCGGCAAC g.53835GϾA CTCCAAGTC Exon 18 R698H 196 0.5 82 0.0 94 0.0 372 0.3 72 GAACCTCCA g.53876TϾC TAGCTGTTG Exon 18 L712L 196 0.5 82 0.0 94 0.0 372 0.3 44 TTAATATAA g.59981CϾA CCTCTCTCT Intron 18 192 43.2 84 21.4 90 27.8 366 34.4 45 AATAGATTT g.73116_73119delATTT TTCTATTTA Intron 19 192 0.0 66 6.1 96 0.0 354 1.1 46 ATTTATAAT g.73132_73133insCAA AAAGTTACT Intron 19 194 0.0 66 6.1 96 0.0 356 1.1 47 ACTTTCTTG g.73148TϾC TTACTATCT Intron 19 196 69.4 66 93.9 96 0.0 358 82.1 qanal/courses/predoc97/blosum62.cmp), and Grantham values (Grantham, 1974). 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177 Amino Acid Change Scoring Systems for Nonsynonymous Variants Grantham SIFT PolyPhen Blosum62 EC/EU MDR3 D87E 45 1.00 0.48 2 EC P95S 74 0.48 0.87 -1 EC T175A 58 0.01 0.72 -1 EC I367V 29 0.23 0.96 3 EC E450G 98 0.01 0.13 -2 EC R590Q 43 0.01 2.51 1 EC R652G 125 0.36 1.47 -2 EU E1099G 98 0.04 1.58 -2 EC BSEP I206V 29 1.00 0.23 3 EU V284A 64 0.13 0.43 -2 EC R299K 26 1.00 0.38 2 EU V444A 64 0.63 0.78 -2 EC R616G 125 0.01 3.16 -2 EC T619A 58 0.00 1.78 -1 EC M677V 21 0.29 0.82 1 EU R698H 29 0.30 0.57 0 EC A865V 64 0.02 1.12 0 EC R958Q 43 0.04 0.24 1 EU neutral mutation model (Tajima, 1989). Login to comment

PMID: 17051391 [PubMed] Stieger B et al: "The bile salt export pump."

No. Sentence Comment

165 (*) The mutation V284L was found in a patient with PFIC2, whereas the SNP V284A occurs in healthy individuals trations are increased accordingly. Login to comment

PMID: 17181454 [PubMed] Sakurai A et al: "Prediction of drug-induced intrahepatic cholestasis: in vitro screening and QSAR analysis of drugs inhibiting the human bile salt export pump."

No. Sentence Comment

120 H2N COOH S56L G238V G260D C336S L339V V444A K461E D482G T923P K930X G982R R1090X R1153C Outside Inside R1268Q A1228VE1186K R1128H R1057X R1050C A926P A865V R698H E636G M677V S593R E592Q N591S R575XA570T Q558H I498T R432T R415Q R299K E297G V284A I206V S194P E186G cholestasis Expert Opin. Drug Saf. (2007) 6(1) Table 1. Login to comment
121 Nonsynonymous polymorphisms and mutations in the ABCB11 gene NCBI No. Exon Nucleotide Amino acid alteration Phenotype Ref. Position Alteration rs11568361 5 167 C→T Ser56Leu - [102] - 5 341 G→C Ser114Arg PFIC2 [47]* - 6 557 A→G Glu186Gly BRIC2 [45,48] - 6 580 T→C Ser194Pro - [44] rs11568358 7 616 A→G Ile206Val - [102] - 7 695 T→del Frame shift at position 232 PFIC2 [47] - 7 713 G→T Gly238Val PFIC2 [47] - 8 779 G→A Gly260Asp - [44] - 8 851 T→C Val284Ala - [44] rs11568372 8 890 A→G Glu297Gly PFIC2/BRIC2 [35,43,45,47,102] rs2287617 8 896 G→A Arg299Lys - [102] - 8 908 G→del Frame shift at position 303 PFIC2 [35] - 9 1007 G→C Cys336Ser PFIC2 [47] - 9 1015 C→G Leu339Val - [46] - 11 1244 G→A Arg415Gln - [39] - 11 1294 G→C Arg432Thr BRIC2 [43] rs2287622 12 1331 T→C Val444Ala ICP/PFIC2? Login to comment

PMID: 17264802 [PubMed] Lang C et al: "Mutations and polymorphisms in the bile salt export pump and the multidrug resistance protein 3 associated with drug-induced liver injury."

No. Sentence Comment

97 Chemical classification of all causative drugs revealed that the most prominent structures were the b-lactam ring of antibacterials in Fig. 2 Extracellular V284A V444A G855R R698H D676Y M677V Cytoplasm Secondary structure of bile salt export pump (BSEP) with nonsynonymous coding region variants. Login to comment

PMID: 19101985 [PubMed] Byrne JA et al: "Missense mutations and single nucleotide polymorphisms in ABCB11 impair bile salt export pump processing and function or disrupt pre-messenger RNA splicing."

No. Sentence Comment

67 ABCB11 Missense Mutations and SNPs Functionally Analyzed in This Study Exon Nucleotide Change Predicted Protein Effect Location in Protein Associated Phenotype Prevalence or Frequency* Any Defect(s) Identified Reference 4 c.149TϾC L50S NH2 term PFIC 1 family (het) Immature protein 31 5 c.270TϾC F90F EC1 SNP 2.7%-7.7% 43, 45 6 c.403GϾA E135K EC1 BRIC 1 family (het) Reduced levels of mature protein † 6 c.409GϾA E137K EC1 BRIC / ICP 1 family (het) Immature protein ‡ 7 c.500CϾT A167V TM2 PFIC 1 family (hom) Mild exon skipping beta 7 c.557AϾG E186G IC1 BRIC 2 families (both het) Moderate exon skipping; greatly reduced levels of mature protein 8, 37 7 c.580TϾC S194P IC1 SNP-PSC 1.1% 43 7 c.593TϾC L198P IC1 BRIC / ICP / DC 1 family (het) Greatly reduced levels of mature protein # 8 c.713GϾT G238V EC2 PFIC 1 family (hom) 29 8 c.725CϾT T242I TM4 PFIC 1 family (het) 31 8 c.779GϾA G260D TM4 SNP-PBC 0.8% 43 9 c.850GϾC V284L IC2 PFIC 1 family (het) No protein 28 9 c.851TϾC V284A IC2 SNP 0.5% Increased levels of mature protein 43, 45† 9 c.889GϾA E297K IC2 Prolonged NNH 1 family (het) Moderate differential splicing; immature protein ‡ 9 c. 890AϾG E297G IC2 PFIC, BRIC PFIC, 45 families (14 hom, 31 het) BRIC, 4 families (2 hom, 2 het) Greatly reduced levels of mature protein 7, 8, 12, 29-32, 35 10 c.936GϾT Q312H IC2 PFIC 1 family (het) ‡ 10 c.937CϾA R313S IC2 PFIC 1 family (het) 31 10 c.957AϾG G319G TM5 SNP 1.5 - 7.5% Mild exon skipping 42, 43, 45 10 c.980GϾA G327E TM5 PFIC 1 family (het) 31 10 c.1007GϾC C336S TM5 PFIC 1 family (het) 29 11 c.1168GϾC A390P NBF PFIC, BRIC 2 families (both het) Immature protein 31; # 12 c.1129GϾA G410D NBF PFIC 1 family (het) 31 12 c.1238TϾG L413W NBF PFIC 1 family (het) Greatly reduced levels of mature protein 31 12 c.1244GϾA R415Q NBF SNP-ICP 1.3% 42 12 c.1295GϾC R432T NBF BRIC 1 family (het) Reduced levels of mature protein 12 13 c.1331CϾT A444V NBF SNP, ICP, CC, DC, BRIC 43-60% Increased levels of mature protein 8, 28, 37, 39-45 13 c.1381AϾG K461E WA PFIC 1 family (hom) Immature protein 7 13 c.1388CϾT T463I WA PFIC 1 family (het) Mild exon skipping 31 13 c.1396CϾA Q466K Adj WA PFIC 1 family (het) 31 13 c.1409GϾA R470Q Adj WA PFIC 2 families (1 het, 1 consanguineous) Immature protein 31 14 c.1442TϾA V481E NBF1 PFIC 1 family (het) 31 14 c.1445AϾG D482G NBF1 PFIC 22 families (16 het, 6 hom) Severe differential splicing; immature protein 7, 30-32 14 c.1468AϾG N490D NBF1 PFIC 1 family (het) Greatly reduced levels of mature protein; reduction in bile salt transport 31 14 c.1493TϾC I498T NBF1 PFIC / BRIC 1 family (het) 38 14 c.1530CϾA T510T NBF1 SNP-PBC 0.7% 43 14 c.1535TϾC I512T NBF1 PFIC 1 family (het) 31 14 c.1544AϾC N515T NBF1 PFIC 1 family (het) 31, 32 14 c.1440GϾA R517H NBF1 PFIC 1 family (het) No protein 31, 32 14 c.1605CϾT A535A NBF1 SNP 0.3% Slightly reduced levels mature protein 39, 45 14 c.1621AϾC I541L NBF1 PFIC 3 families (1 het, 2 consanguineous) No protein 31-33 15 c.1643TϾA F548Y Adj ABCm PFIC 1 family (het) 31, 32 15 c.1685GϾA G562D ABCm PFIC 1 family (het) 31 15 c.1708GϾA A570T Adj ABCm/WB PFIC, BRIC PFIC, 1 family Greatly reduced levels of mature protein; reduction in bile salt transport 8, 31 Table 1. Login to comment
147 The SNP V284A (c.851TϾC) led to increased amounts of protein compared with wild-type BSEP (Fig. 5A). Login to comment
213 V284A enhances, whereas V284L abolishes, BSEP protein levels. Login to comment
229 The phenotype of the patient with N490D was very severe, with death before the age of 1 year.30 A second mutation in ABCB11 has not been found but heterozygosity for V284A is present (c.851TϾC; M. Jirsa, unpublished data). Login to comment

PMID: 19571440 [PubMed] Kim SR et al: "Genetic variations of the ABC transporter gene ABCB11 encoding the human bile salt export pump (BSEP) in a Japanese population."

No. Sentence Comment

53 Six variations previously reported in other ethnic groups were not detected: 616AÀG (Ile206Val; found with 0.011 frequency in African-Americans), 851TÀC (Val284Ala; 0.005 in Caucasians), 1846CÀG (Arg616Gly; 0.022 in African-Americans), 1855AÀG (Thr619Ala; 0.011 in African-Americans), 2029AÀG (Met677Val; 0.042 in Caucasians and 0.14 in African-Americans), and 2093GÀA (Arg698His; 0.005 in Caucasians).7) These variations might be ethnic-specific. Login to comment

PMID: 23022423 [PubMed] Anzivino C et al: "ABCB4 and ABCB11 mutations in intrahepatic cholestasis of pregnancy in an Italian population."

No. Sentence Comment

146 A further demonstration of the importance of the conservation of this valine in the evolution comes from previous evidence which identified other substitutions in the same position (p.V284L and p.V284A) [12,25,29] and analysed them by the mean of an in vitro minigene system reporting no protein formation for the variant p.V284L and an increased amount of protein for the SNP p.V284A [26]. Login to comment
147 The p.Q558H missense mutation is localised in the nucleotide binding domain1 at the level of the ABC signature motif; because this represents a functional domain, the mutation is likely to alter protein stability. Login to comment

PMID: 22795478 [PubMed] Kubitz R et al: "The bile salt export pump (BSEP) in health and disease."

No. Sentence Comment

185 PFIC BRIC/NFC ICP Other liver diseases Genetic variants without disease association Missense mutations M1V C336S D549V L1055P E135K E137K T87R V43I S701P G19R W342G G556R C1083Y E137K L198P M123T S56L L712L L50S A382G G562D A1110E E186G E297G S194P Q121K A865D M62K R387H A570T S1114R L198P R415Q L198P R128H A865G C68Y A390P L581F G1116E E297G V444A G260D I206V S874P C107R G410D A588V G1116F G374S D482G E297K V284A I939M I112T L413W S593R G1116R A390P N591S V444A G295C R958Q W114R I420T I627T S1120N R432T T655I T510T G295R F959C Y157C D440E E636G R1128C V444A T655I G295S F959V A167T G455E R698C S1144R I498T D676Y R299K T965S A167V K461E S699P R1153C A570T P710P R303K F971L I182K T463I E709K R1153H T586I L827I L339V F971Y M183T Q466K G758R S1154P G648V G855R H423R L1006F M183V R470Q G766R N1173D T655I E1186K V444A N1009H G188W Y472C Y818F T1210P T923P V444D K1145N M217R V481E R832C N1211D A926P V444G I1183T R223C D482G R832H V1212F R948C A459V S226L R487H T859R R1231Q G1004D I468I G238V R487P A865V R1231W R1050C R487L T242I N490D Q869P L1242I G1116R Q546K A257G I498T G877R D1243G R1128H Q558H V284L G499E S901R R1268Q L1197G E592Q E297G I512T R948C A1283V R1231Q V597M R303G N515T N979D G1292V R616G R303K R517H G982R G1298R T619A Q312H F540L G1004D M677L R313S I541L T1029K M677V G327E I541T G1032R R696Q W330R F548Y A1044P R698H Nonsense mutations (premature stop-codons) S25X Y472X Y772X R1090X E96X W493X Q791X V1147X W330X R520X R928X Q1215X Y354X I528X Y1041X R1235X R415X R575X R1057X E1302X R470X Q702X Q1058X Table 1 (Continued) PFIC BRIC/NFC ICP Other liver diseases Genetic variants without disease association Splice site mutations 76 + 3G > T 908 + 1delG 2178 + 1G > T 3057-2A > G Q159Q 77-1G > C 908 + 1G > T 2179-2A > G 3213 + 1delG Q361Q 99-1G > T 908 + 1G > A 2343 + 1G > T 3213 + 4A > G 150 + 3A > C 1435-13 -8del 2343 + 2T > C 3213 + 5G > A 390-1G > A 2012-8T > G 2611-2A > T 611 + 1G > A 2178 + 1G > A R1001R Deletions/insertions/frame shifts Q101Dfs8X L380Wfs18X G648Vfs5X Q1058Hfs38X F959Hfs1X T127Hfs6X A382 A388del K700Sfs12X I1061Vfs34X F959Gfs48X N199Ifs14X P456Pfs24X T919del L1165del L232Cfs9X H484Rfs5X K930Efs92X A1192Efs50X R303Sfs17X I528Sfs21X K930Efs79X T1256Tfs40X V368Rfs27X I610Qfs45X K969 K972del Synonymous variants without disease association R33R F90F L232L I416I G557G I876I A1028A K1145K D36D I134I Y269Y G418G V597V G937G K1070K R52R S136S Q312Q F427F A804A Y981Y T1086T D58D V195V G319G E395E A535A G817G G1004G A1110A The overview shows ࣈ 290 known variants of BSEP on the protein level, except splice site mutations, which are shown on cDNA level. Login to comment