ABCMdb

ABCA4 p.Arg2106Cys

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PMID: 16959783 [PubMed] Matsumura Y et al: "Characterization and classification of ATP-binding cassette transporter ABCA3 mutants in fatal surfactant deficiency."

No. Sentence Comment

259 Although further confirmation of this interaction might be provided by mutational analysis of Trp-1554, many disease-related mutations at helix 6 and helix 7 of NBDs such as R2106C and E2131K in ABCA4 (44-47), F587I and L610S in ABCC7/CFTR (48-50), and A665T in ABCB3/TAP2 (51) (Fig. 8A) support the importance of these helices for the function of the ABC transporter. Login to comment
257 Although further confirmation of this interaction might be provided by mutational analysis of Trp-1554, many disease-related mutations at helix 6 and helix 7 of NBDs such as R2106C and E2131K in ABCA4 (44-47), F587I and L610S in ABCC7/CFTR (48-50), and A665T in ABCB3/TAP2 (51) (Fig. 8A) support the importance of these helices for the function of the ABC transporter. Login to comment

PMID: 19230850 [PubMed] Molday RS et al: "The role of the photoreceptor ABC transporter ABCA4 in lipid transport and Stargardt macular degeneration."

No. Sentence Comment

134 Disease mutations, which are substituted in Stargardt disease, are shown in red italics - NBD1 (N965S, T971N, A1038V, S1071V, E1087K, R1108C); NBD2 (G1961E, L1971R, G1977S, L2027F, R2038W, R2077W, R2106C, R2107H). Login to comment
225 A subset of missense mutations reside in NBD1 (N965S, T971N, A1038V, S1071V, E1087K, R1108C, R1129L) and NBD2 (G1961E, L1971R, G1977S, L2027F, R2038W, R2077W, R2106C, R2107H). Login to comment

PMID: 11379881 [PubMed] Yatsenko AN et al: "Late-onset Stargardt disease is associated with missense mutations that map outside known functional regions of ABCR (ABCA4)."

No. Sentence Comment

65 Allele 1 nucleotide Amino acid Allele 2 Amino acid Age of change nucleotide change onset (years) AR129-08 37 AR140-01 6079C→T L2027F 3322C→T R1108C 36 AR204-04 35 AR280-03 6316C→T R2106C 6710insA T2237fs 35 AR311-04 4462T→C C1488R 35 AR336-03 2588G→C G863A 5898+1G→A E1966splice 39 AR343-06 2588G→C G863A 3322C→T R1108C 43 AR387-03 4919G→A R1640Q 2971G→C G991R 40 AR410-04 768G→T V256splice 3113C→T A1038V 38 AR440-03 6238-6239del2 bp S2080fs 44 AR448-01a 454C→T R152X 6089G→A R2030Q 52 AR452-04 2005-2006del2 bp M669fs 6089G→A R2030Q 40 AR455-05 [1622T→C;3113C→T] [L541P;A1038V] 43 AR474-02 36 AR516-01a 5196+1G→A I1732splice 3113C→T A1038V 47 AR518-03 3322C→T R1108C 35 AR540-01a 4685T→C I1562T 51 AR594-02a 5196+1G→A I1732splice 36 AR606-04 3322C→T R1108C 2588G→C G863A 39 AR608-02 1025-1038del14 bp D342fs 40 AR617-03 2827C→T R943W 39 AR632-02a 3386G→T R1129L 50 AR649-03 3303G→A W1101X 3113C→T A1038V 36 AR662-02a 1015T→G W339G 50 AR723-01a 3602T→G L1201R 65 Fig.1 Pedigrees of late-onset Stargardt disease families (filled symbols STGD1-affected individuals). Login to comment
134 Conversely, missense mutations located in other regions (e.g., missense mutations in late-onset STGD1) might retain some ABCR activity. This hypothesis is supported by the observations of Sun et al. (2000) that ABCR missense mutations located outside the known functional domains (L541P, G863A, A1038V, R1108C, R1129L, C1488R, R2106C) have a milder functional effect on expression and ATP-binding activity (1/3-2/3 activity of wild-type). Login to comment

PMID: 10913642 [PubMed] Fuse N et al: "Molecular genetic analysis of ABCR gene in Japanese dry form age-related macular degeneration."

No. Sentence Comment

31 Mutations Found in ABCR* Gene in 26 Exons Examined in This Study Exon AMD† Stargardt`s Disease Exon AMD Stargardt`s Disease 11 E471K 29 T1428M 15 31 R1517S 16 G818E, G863A (D847H) 33 I1562T G1578R 17 34 N1614FS 18 35 19 V931M, 2884delC N965M, (R943Q) 36 5196ϩ1G→A 5041deL15 5196ϩ2T→C 20 40 R1898H R1898H 21 A1028V 42 G1961E G1961E 22 3211insGT, V1072A E1087K 43 L1970F 6006ϩ1G→T 23 R1129L 44 L2027F, R2038W (I2023I) 24 45 V2050L, R2077W (I2083I) 25 46 R2106C (V2094V) 27 48 6519⌬11bp D2177N 6568⌬C 6519⌬11bp 6709insG *ABCR: ATP-binding cassette transporter. Login to comment

PMID: 9973280 [PubMed] Lewis RA et al: "Genotype/Phenotype analysis of a photoreceptor-specific ATP-binding cassette transporter gene, ABCR, in Stargardt disease."

No. Sentence Comment

76 2 0071GrA R24H 1 19 2894ArG N965S 3 36 5196ϩ1GrA Splice 2 3 0161GrA C54Y 1 21 3113CrT A1038V 16 5196ϩ2TrC Splice 1 0179CrT A60V 1 22 3211insGT FS 1 37 5281del9 PAL1761del 1 0203CrG P68R 1 3212CrT S1071L 1 38 5459GrC R1820P 1 0223TrG C75G 1 3215TrC V1072A 1 39 5512CrT H1838Y 1 6 0634CrT R212C 1 3259GrA E1087K 1 5527CrT R1843W 1 0664del13 FS 1 3322CrT R1108C 6 40 5585-1GrA Splice 1 0746ArG D249G 1 23 3364GrA E1122K 1 5657GrA G1886E 1 8 1007CrG S336C 1 3385GrT R1129C 1 5693GrA R1898H 4 1018TrG Y340D 1 3386GrT R1129L 2 5714ϩ5GrA Splice 8 11 1411GrA E471K 1 24 3602TrG L1201R 1 42 5882GrA G1961E 16 12 1569TrG D523E 1 25 3610GrA D1204N 1 5898ϩ1GrT Splice 3 1622TrC L541P 1 28 4139CrT P1380L 4 43 5908CrT L1970F 1 1715GrA R572Q 2 4216CrT H1406Y 1 5929GrA G1977S 1 1715GrC R572P 1 4222TrC W1408R 4 6005ϩ1GrT Splice 1 13 1804CrT R602W 1 4232insTATG FS 1 44 6079CrT L2027F 11 1822TrA F608I 2 4253ϩ5GrT Splice 1 6088CrT R2030X 1 1917CrA Y639X 1 29 4297GrA V1433I 1 6089GrA R2030Q 1 1933GrA D645N 1 4316GrA G1439D 2 6112CrT R2038W 1 14 2005delAT FS 1 4319TrC F1440S 1 45 6148GrC V2050L 2 2090GrA W697X 1 4346GrA W1449X 1 6166ArT K2056X 1 2160ϩ1GrC Splice 1 30a 4462TrC C1488R 2 6229CrT R2077W 1 16 2453GrA G818E 1 4457CrT P1486L 1 46 6286GrA E2096K 1 2461TrA W821R 1 30b 4469GrA C1490Y 3 6316CrT R2106C 1 2536GrC D846H 1 4539ϩ1GrT Splice 1 47 6391GrA E2131K 1 2552GrC G851D 1 31 4577CrT T1526M 7 6415CrT R2139W 1 17 2588GrC G863A 11 4594GrA D1532N 3 6445CrT R2149X 1 19 2791GrA V931M 2 35 4947delC FS 1 48 6543del36 1181del12 1 2827CrT R943W 1 36 5041del15 VVAIC1681del 2 6709insG FS 1 2884delC FS 1 5087GrA S1696N 1 NOTE.-FS ϭ frameshift. Login to comment
77 2 0071GrA R24H 1 19 2894ArG N965S 3 36 5196af9;1GrA Splice 2 3 0161GrA C54Y 1 21 3113CrT A1038V 16 5196af9;2TrC Splice 1 0179CrT A60V 1 22 3211insGT FS 1 37 5281del9 PAL1761del 1 0203CrG P68R 1 3212CrT S1071L 1 38 5459GrC R1820P 1 0223TrG C75G 1 3215TrC V1072A 1 39 5512CrT H1838Y 1 6 0634CrT R212C 1 3259GrA E1087K 1 5527CrT R1843W 1 0664del13 FS 1 3322CrT R1108C 6 40 5585afa;1GrA Splice 1 0746ArG D249G 1 23 3364GrA E1122K 1 5657GrA G1886E 1 8 1007CrG S336C 1 3385GrT R1129C 1 5693GrA R1898H 4 1018TrG Y340D 1 3386GrT R1129L 2 5714af9;5GrA Splice 8 11 1411GrA E471K 1 24 3602TrG L1201R 1 42 5882GrA G1961E 16 12 1569TrG D523E 1 25 3610GrA D1204N 1 5898af9;1GrT Splice 3 1622TrC L541P 1 28 4139CrT P1380L 4 43 5908CrT L1970F 1 1715GrA R572Q 2 4216CrT H1406Y 1 5929GrA G1977S 1 1715GrC R572P 1 4222TrC W1408R 4 6005af9;1GrT Splice 1 13 1804CrT R602W 1 4232insTATG FS 1 44 6079CrT L2027F 11 1822TrA F608I 2 4253af9;5GrT Splice 1 6088CrT R2030X 1 1917CrA Y639X 1 29 4297GrA V1433I 1 6089GrA R2030Q 1 1933GrA D645N 1 4316GrA G1439D 2 6112CrT R2038W 1 14 2005delAT FS 1 4319TrC F1440S 1 45 6148GrC V2050L 2 2090GrA W697X 1 4346GrA W1449X 1 6166ArT K2056X 1 2160af9;1GrC Splice 1 30a 4462TrC C1488R 2 6229CrT R2077W 1 16 2453GrA G818E 1 4457CrT P1486L 1 46 6286GrA E2096K 1 2461TrA W821R 1 30b 4469GrA C1490Y 3 6316CrT R2106C 1 2536GrC D846H 1 4539af9;1GrT Splice 1 47 6391GrA E2131K 1 2552GrC G851D 1 31 4577CrT T1526M 7 6415CrT R2139W 1 17 2588GrC G863A 11 4594GrA D1532N 3 6445CrT R2149X 1 19 2791GrA V931M 2 35 4947delC FS 1 48 6543del36 1181del12 1 2827CrT R943W 1 36 5041del15 VVAIC1681del 2 6709insG FS 1 2884delC FS 1 5087GrA S1696N 1 NOTE.-FS afd; frameshift. Login to comment

PMID: 21911583 [PubMed] Zernant J et al: "Analysis of the ABCA4 gene by next-generation sequencing."

No. Sentence Comment

127 Three ABCA4 mutations in three different samples identified by sequencing-p.P1486L, p.G1961E, and p.R2106C-represented ABCA4 array false negatives. Login to comment

PMID: 23143460 [PubMed] Downes SM et al: "Detection rate of pathogenic mutations in ABCA4 using direct sequencing: clinical and research implications."

No. Sentence Comment

30 In 3 of the 6 patients with a historical diagnosis Table. Results From Direct Sequencing of the ABCA4 Gene in 50 Patients (continued) Subject No. Change 1 Change 2 Phase Segregation Age at Onset, y Phenotype Grade, Macula Flecks/ Cones/Rodsa Additional Variants Conclusion Nucleotide Amino Acid Nucleotide Amino Acid 11 4139Cb0e;T P1380L 5714 af9; 5Gb0e;A Splice NK NK 19 STGD m/0/0 0 2 PVs 12 4457Cb0e;T P1486L 4457Cb0e;T P1486L In trans Unaffected sibling carries 1 mutation 25 STGD maf9;af9;/1/1 0 2 PVs 13 4537dupC Q1513fs 6391Gb0e;A E2131K In trans Unaffected parents carriers 10 STGD maf9;/0/0 R152Q in cis with Q1513fs, E2131K in cis with E471K 2 PVs 14 6079Cb0e;T L2027F 6079Cb0e;T L2027F In trans Unaffected sibling carrier 28 STGD maf9;af9;/0/0 0 2 PVs 15 5018 af9; 2Tb0e;C NA 6316Cb0e;T R2106C In trans Affected sibling with same mutations 17 STGD m/0/1 0 2 PVs 16 3004Cb0e;T R1002Wb 1957Cb0e;T R653C In trans NK 16 STGD m/0/1 0 2 PVs 17 1253Tb0e;C F418S 2588Gb0e;C G863A NK NK 52 STGD maf9;/0/0 0 2 PVs 18 6709Ab0e;C T2237Pb 3064Gb0e;A E1022K In trans 2 Affected siblings with same mutations 6 STGD maf9;af9;/0/0 0 2 PVs 19 5260Tb0e;G Y1754D 4469Gb0e;A C1490Y In trans NK 12 STGD maf9;af9;/0/0 0 2 PVs 20 551Cb0e;T S184Fb 4793Cb0e;A A1598D NK 2 Affected siblings with same mutations 58 STGD m/NP/NP 0 2 PVs 21 550-551TCb0e;CG S184Rb 5882Gb0e;A G1961E In trans Affected sibling with same mutations 25 STGD maf9;af9;/0/0 0 2 PVs 22 5313-3Cb0e;G Spliceb 5882Gb0e;A G1961E In trans Unaffected parents carriers 47 STGD m/0/1 0 2 PVs 23 2588Gb0e;C G863A 5461-10Tb0e;C Disease-associated allele, unknown mechanism In trans NA 26 STGD maf9;af9;/3/1 1 In cis with G863A 2 PVs 24 5537Tb0e;C I1846T 5461-10Tb0e;C Disease-associated allele, unknown mechanism In trans Unaffected son carries I1846T only 17 STGD maf9;af9;/3/3 0 2 PVs 25 6089Gb0e;A R2030Q 5461-10Tb0e;C Disease-associated allele, unknown mechanism In trans Unaffected sibling carries R2030Q 4 STGD m/NP/NP 0 2 PVs 26 6730-1Gb0e;C Spliceb 2588Gb0e;C G863A NK NK 15 STGD NP/NP/NP 0 2 PVs 27 3291Ab0e;T R1097Sb 3056Cb0e;T T1019M In trans NK 9 STGD NP/NP/NP 1 In cis with R1097S 2 PVs 28 498delT L167HisfsX2b Not present NA NA NK 28 STGD m/1/1 0 1 PV 29 2345Gb0e;A W782Xb Not present NA NA Unaffected mother carries mutation 25 STGD m/1/1 0 1 PV 30 2588Gb0e;C G863A 4326Cb0e;A N1442K NK NK 36 STGD maf9;/0/0 0 1 PV af9; N1442K (unlikely) 31 2966Tb0e;C V989A Not present NA NA NK 49 STGD m/1/1 0 1 PV (continued) ARCH OPHTHALMOL/VOL 130 (NO. 11), NOV 2012 WWW.ARCHOPHTHALMOL.COM 1487 (c)2012 American Medical Association. All rights reserved. Downloaded From: http://archopht.jamanetwork.com/ by a Semmelweis University Budapest User on 12/06/2015 lopathy is genetically heterogeneous. A total of 10 novel mutations were identified (Table). Login to comment

PMID: 25283059 [PubMed] Duncker T et al: "Quantitative fundus autofluorescence distinguishes ABCA4-associated and non-ABCA4-associated bull's-eye maculopathy."

No. Sentence Comment

66 [L541P; A1038V] 438 432 16 M 25 White 0.60 0.60 p.S84fs p.R2107H 294 17 F 24 Black 0.70 0.88 p.G991R p.L1138P 321 326 18 M 26 White 0.00y 0.00y p.R1300* p.R2106C 419 412 19 M 11 White 0.40z 0.40z p.W821R p.C2150Y 304 296 20 F 16 White 0.70 0.40 p.K1547* p.R2030Q 481 513 21 F 13 White 1.30 1.00 pR1108C p.Q1412* 511 528 22 F 18 White 0.00 0.00 p.G863A c.5898&#fe;1G/A 465 431 Mutations in Other Genes 23 F 16 White 0.40 0.48 GUCY2D e p.R838H 152 165 24 M 53 Black 0.88 0.88 CNGA3 e p. Login to comment

PMID: 25342616 [PubMed] Duncker T et al: "Correlations among near-infrared and short-wavelength autofluorescence and spectral-domain optical coherence tomography in recessive Stargardt disease."

No. Sentence Comment

91 [L541P;A1038V] 5 14 22.4 F White Brown 0.8 0.8 p.R212C 3 15 20.2 M White Brown 0.9 0.9 p.G1961E p.P1380L 1 16 27.6 M Arabic Brown 0.0 0.0 p.R1300* p.R2106C 3 17 26.8 M White Blue 0.5 0.5 p.G1961E c.3050&#fe;5G>A 1 18 24.9 F White Hazel 0.9 0.9 p.G1961E p.C2150R 5 19 13.2 M White Blue 0.9 1.0 p.W821R p.C2150Y 3 20 61.0 F White Green 2.0 0.0 c.250_251insCAAA 2 21 36.3 F White Blue 1.3 0.1 p.N1799D 1 22 14.1 F White Green 1.0 0.9 p.R1108C p.Q1412* 2 23 18.6 M White Brown 0.9 0.9 p.G1961E p.A1773V 3 24 53.3 F White Blue 0.3 (0.2) p.R2077W 2 BCVA values in parenthesis indicate fellow eyes that were not included in the study. Login to comment

PMID: 26024107 [PubMed] Greenstein VC et al: "Near-infrared autofluorescence: its relationship to short-wavelength autofluorescence and optical coherence tomography in recessive stargardt disease."

No. Sentence Comment

74 Selected Demographic, Clinical, and Genetic Characteristics of the Study Cohort Patient Sex Disease-Associated ABCA4 Variant(s) Age Eye BCVA 1 F p.G1961E; c2382&#fe;1G>A 36 OS 0.8 2 M p.[L541P;A1038V] 8 OS 0.6 3 M p.G1961E; c.6729&#fe;5_&#fe;19del 18 OS 0.9 4 M p.P1380L; p.G1961E 12 OD 0.8 5 M c.571-1G>T 43 OD 0.4 6 M p.Q1003*; p.G1961E 25 OS 0 7 M p.[L541P;A1038V]; p.L2027F 8 OD N/A 8 F p.R212C; p.G1961E 22 OD 0.8 9 F p.P1380L; p.G1961E 20 OD 0.9 10 M p.R1300*; p.R2106C 26 OS 0 11 M c.3050&#fe;5G>A; p.G1961E 27 OD 0.5 12 F p.G1961E; p.C2150R 25 OD 0.7 13 M p.W821R; p.C2150Y 13 OD 0.4 14 F p.N1799D 36 OD 1.3 15 M p.A1773V; p.G1961E 19 OD 0.7 FIGURE 1. Login to comment

PMID: 26230768 [PubMed] Sparrow JR et al: "Flecks in Recessive Stargardt Disease: Short-Wavelength Autofluorescence, Near-Infrared Autofluorescence, and Optical Coherence Tomography."

No. Sentence Comment

49 [571-1G>T 10* M 13.89 Caucasian 0.4 0.4 p. [L541P; A1038V]; [L2027F] 11* F 20.20 Caucasian 0.9 0.9 p. [P1380L]; [G1961E] 12 M 27.61 African-Arab 0 0 p. [R1300*]; [R2106C] 13* M 46.93 Caucasian 0.3 0.4 p. [C1490Y]; [G1961E] 14* M 26.82 Caucasian 0 0 c. Login to comment

PMID: 26311262 [PubMed] Noupuu K et al: "Recessive Stargardt disease phenocopying hydroxychloroquine retinopathy."

No. Sentence Comment

53 [5461-10T > C] P2 55, F White 20/20 20/20 Mottling + flecks Mottling + flecks p. [A1357V]; [G1961E] P3 57, M African-American 20/20 20/20 BEM + flecks BEM + flecks p. [R2107H] P4 10, F White 20/30 20/25 BEM + flecks BEM + flecks p. [E160*]; [R1108C] P5 26, F African-American 20/30 20/20 Mottling + flecks Mottling + flecks p. [R2107H]; [E526A] P6 19, F Asian-Caucasian 20/25 20/25 BEM BEM p. [R602W] P7 26, M African-Arab 20/20 20/20 BEM BEM p. [R1300*]; [R2106C] P8 25, M White 20/20 20/40 BEM BEM p. [Q1003*]; [G1961E] Abbreviations: M male, F female, BCVA best-corrected visual acuity, OD right eye, OS left eye, BEM bull`s eye maculopathy Fig. 1 Thinning of the parafoveal region with relative foveal sparing presenting as the hydroxychloroquine retinopathy- associated parafoveal outer retina thinning phenotype in patients with recessive Stargardt disease (STGD1). Login to comment