ABCA1 p.Asn1611Asp

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PMID: 16429166 [PubMed] Brunham LR et al: "Accurate prediction of the functional significance of single nucleotide polymorphisms and mutations in the ABCA1 gene."
No. Sentence Comment
48 This SNP has been reported to be associated with decreased HDL cholesterol and increased severity of atherosclerosis in Table 1. subPSEC Scores and Probability of Functional Impairment (Pdeleterious) for ABCA1 Mutations and SNPs Mutations SNPs Variant SubPSEC Pdeleterious Variant subPSEC Pdeleterious P85L À4.62 0.83 R219K À0.57 0.08 H160F À2.79 0.45 V399A À2.26 0.32 R230C À4.27 0.78 V771M À2.86 0.46 A255T À1.81 0.23 T774P À1.99 0.27 E284K À2.34 0.34 K776N À3.53 0.63 Y482C À4.21 0.77 V825I À1.06 0.13 R587W À6.04 0.95 I883M À1.38 0.17 W590S À5.19 0.9 E1172D À1.96 0.26 W590L À4.48 0.82 R1587K À0.58 0.08 Q597R À7.15 0.98 S1731C À4.21 0.77 T929I À4.29 0.78 N935H À8.54 1 N935S À7.53 0.99 A937V À6.6 0.97 A1046D 0;7.52 0.99 M1091T À3.56 0.64 D1099Y À6.09 0.96 D1289N À2.48 0.37 L1379F À3.81 0.69 C1477R À5.44 0.92 S1506L À5.17 0.9 N1611D À5.69 0.94 R1680W À6.02 0.95 V1704D À3.21 0.55 N1800H À4.23 0.77 R1901S À5.06 0.89 F2009S À2.73 0.43 R2081W À8.08 0.99 P2150L À2.88 0.47 Q2196H À2.74 0.43 DOI: 10.1371/journal.pgen.0010083.t001 PLoS Genetics | www.plosgenetics.org December 2005 | Volume 1 | Issue 6 | e83 0740 Accurate Prediction of ABCA1 Variants Synopsis A major goal of human genetics research is to understand how genetic variation leads to differences in the function of genes.
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ABCA1 p.Asn1611Asp 16429166:48:832
status: NEW
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ABCA1 p.Asn1611Asp 16429166:48:987
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PMID: 12763760 [PubMed] Singaraja RR et al: "Efflux and atherosclerosis: the clinical and biochemical impact of variations in the ABCA1 gene."
No. Sentence Comment
83 TABLE 2. Conservation of Amino Acid Residues Mutated in Humans Mutation H. sapiens M. musculus G. gallus D. melanogaster C. elegans P85L P P P ⅐ ⅐ ⅐ P R230C R R R P G A255T A A S ⅐ ⅐ ⅐ ⅐ ⅐ ⅐ R587W R R R ⅐ ⅐ ⅐ ⅐ ⅐ ⅐ W590S W W W R Q Q597R Q Q Q Q Q ⌬L693 L L L L L T929I T T T T T N935S/H N N N N N A937V A A A A A A1046D A A A A A M1091T M M M M M D1099Y D D D D D D1289L/N D D D D D C1477R C C C ⅐ ⅐ ⅐ ⅐ ⅐ ⅐ S1506L S S S ⅐ ⅐ ⅐ ⅐ ⅐ ⅐ N1611D N N N N S R1680W R R R R R N1800H N N N A W F2009S F F F I M R2081W R R R R R P2150L P P P R N ⌬E1893 E E E D S ⌬D1894 D D D D D Twenty-three of 24 (95.83%) amino acids affected by mutations are conserved with G. gallus, reflecting the functional importance of these residues.
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ABCA1 p.Asn1611Asp 12763760:83:629
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75 TABLE 2. Conservation of Amino Acid Residues Mutated in Humans Mutation H. sapiens M. musculus G. gallus D. melanogaster C. elegans P85L P P P ዼ ዼ ዼ P R230C R R R P G A255T A A S ዼ ዼ ዼ ዼ ዼ ዼ R587W R R R ዼ ዼ ዼ ዼ ዼ ዼ W590S W W W R Q Q597R Q Q Q Q Q èc;L693 L L L L L T929I T T T T T N935S/H N N N N N A937V A A A A A A1046D A A A A A M1091T M M M M M D1099Y D D D D D D1289L/N D D D D D C1477R C C C ዼ ዼ ዼ ዼ ዼ ዼ S1506L S S S ዼ ዼ ዼ ዼ ዼ ዼ N1611D N N N N S R1680W R R R R R N1800H N N N A W F2009S F F F I M R2081W R R R R R P2150L P P P R N èc;E1893 E E E D S èc;D1894 D D D D D Twenty-three of 24 (95.83%) amino acids affected by mutations are conserved with G. gallus, reflecting the functional importance of these residues.
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ABCA1 p.Asn1611Asp 12763760:75:601
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PMID: 12840658 [PubMed] Miller M et al: "Genetics of HDL regulation in humans."
No. Sentence Comment
66 TD 1591 T/C 11 V399A extracellular [68] TD 1979 (110bpAlu Ins) 12 truncated truncation [60] TD/FHA 2154 C/T 14 R587W extracellular [67,69] TD 2164 G/C 14 W590S extracellular [61] TD 2185 A/G 14 Q597R extracellular [59,67] TD 2219 G/del 14 truncated, 635X truncated [60,61] FHA 2472-2474 3bp del 15 Del L693 TM domain #3 [59] phosphorylation 2706 G/A 16 V771M extracellular [68] 2715 A/C 16 T774P extracellular [68] 2723 G/C 16 K776N extracellular [68] 2868 G/A 17 V825I TM domain #6 [67,68] TD/FHA 3044 A/G 18 I883M cytoplasmic [68] phosphorylat site FHA 3120 C/T 19 R909X truncation [63,71] TD 3181 C/T 19 T929I cytoplasmic [62] TD 3199 A/G 19 N935S Walker A [61] TD 3205 C/T 19 A937V Walker A [61] TD 3532 C/A 22 A1046D cytoplasmic, Walker A/B [70] FHA 3667 T/C 23 M1091T cytoplasmic [63] 3690 G/T 23 D1099Y cytoplasmic [9] TD 3738 2bp del 23 1145X truncation [66] FHA 3911 G/C 24 E1172D linker/cytoplasmic [68] FHA 4242 4bp del 27 1297X truncated [64] TD 4260 G/A 27 D1289N linker cytoplasm [64,65] TD 4824 T/C 31 C1477R extracellular [59] TD 4912 C/T 32 S1506L extracellular loop #2 [71] TD 5025 ins A 34 A1544S?1552X truncation [70] 5059 T/C 34 I1555T extracellular loop #2 [67] 5155 G/A 35 R1587K extracellular loop #2 [68] FHA 5226 A/G 36 N1611D extracellular loop #2 [75..] 5338 T/C 36 L1648P extracellular loop #2 [67] TD 5443 C/T 37 R1680W cytoplasmic [74.]
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ABCA1 p.Asn1611Asp 12840658:66:1246
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PMID: 12401893 [PubMed] Wellington CL et al: "Truncation mutations in ABCA1 suppress normal upregulation of full-length ABCA1 by 9-cis-retinoic acid and 22-R-hydroxycholesterol."
No. Sentence Comment
164 Finally, cells were cotransfected with Xpress-tagged wild-type and FLAG-tagged missense ABCA1 (N1611D).
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ABCA1 p.Asn1611Asp 12401893:164:95
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196 Cos-7 cells were transfected singly with vector (mock), Xpress-tagged wild-type human ABCA1 cDNA (WT/Xpress), or cotransfected with FLAG-tagged wild-type ABCA1 (WT/Xpress ϩ WT/FLAG), FLAG-tagged ABCA1 containing the N1611D mutation (WT/Xpress ϩ N1611D/FLAG), or with FLAG-tagged ABCA1 containing the R1851X mutation (WT/Xpress ϩ R1851X/FLAG).
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ABCA1 p.Asn1611Asp 12401893:196:222
status: NEW
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ABCA1 p.Asn1611Asp 12401893:196:257
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165 Finally, cells were cotransfected with Xpress-tagged wild-type and FLAG-tagged missense ABCA1 (N1611D).
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ABCA1 p.Asn1611Asp 12401893:165:95
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197 Cos-7 cells were transfected singly with vector (mock), Xpress-tagged wild-type human ABCA1 cDNA (WT/Xpress), or cotransfected with FLAG-tagged wild-type ABCA1 (WT/Xpress  WT/FLAG), FLAG-tagged ABCA1 containing the N1611D mutation (WT/Xpress  N1611D/FLAG), or with FLAG-tagged ABCA1 containing the R1851X mutation (WT/Xpress  R1851X/FLAG).
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ABCA1 p.Asn1611Asp 12401893:197:216
status: NEW
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ABCA1 p.Asn1611Asp 12401893:197:245
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PMID: 11785958 [PubMed] Nishida Y et al: "Expression and functional analyses of novel mutations of ATP-binding cassette transporter-1 in Japanese patients with high-density lipoprotein deficiency."
No. Sentence Comment
1 In order to know the molecular basis for FHD, we characterized three different ABCA1 mutations associated with FHD (G1158A/ A255T, C5946T/R1851X, and A5226G/N1611D) with respect to their expression in the passaged fibroblasts from the patients and in the cells transfected with the mutated cDNAs.
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ABCA1 p.Asn1611Asp 11785958:1:157
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5 The expression of N1611D ABCA1 protein was comparable in both fibroblasts and overexpressing cells, although cholesterol efflux from the cells was markedly reduced.
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ABCA1 p.Asn1611Asp 11785958:5:18
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59 TABLE 1 Clinical Profiles of Patients with Familial HDL Deficiency Case 1 Case 2 Case 3 ABCA1 substitutions found (nt/aa) G1158A/A255T C5946T/R1851X A5226G/N1611D Age (years)/sex (M, F) 56/M 71/F 53/F Total cholesterol (mmol/L) 0.72 1.47 2.7 HDL-cholesterol (mmol/L) 0.16 0.05 0.11 Triglyceride (mmol/L) 2.6 3.27 1.75 Apo-Al (mg/dL) 3.9 5.0 11.0 Atherosclerosis ϩ ϩ ϩ Typical TD phenotype ϩ ϩ - Cholesterol efflux (% of control) 5.0 2.0 7.0 Note.
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ABCA1 p.Asn1611Asp 11785958:59:156
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105 R1851X appeared to lack the second nucleotide binding domain.
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ABCA1 p.Asn1611Asp 11785958:105:0
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106 N1611D appeared to be located in the middle of extracellular loop from codons 1369 to 1654 (Ref.
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ABCA1 p.Asn1611Asp 11785958:106:0
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112 Case 3 was homozygous for a A to G substitution at nucleotide position 5226, causing a change of amino acid from asparagine (N) to aspartic acid (D) at codon 1611 (N1611D), as shown in Fig. 1C. The codon 1611 appeared to be located around the proximal part of the second transmembrane domain (Fig. 2).
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ABCA1 p.Asn1611Asp 11785958:112:164
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116 In Cases 2 (Ho/ R1851X) and 3 (Ho/N1611D), the expression of mRNA did not appear to be altered with and without the stimulation (Figs. 3A and 3B).
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ABCA1 p.Asn1611Asp 11785958:116:34
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119 It was likely that no-trace amount of ABCA1 protein contributed to the FHD phenotype in Case 1 (Ho/A255T).
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ABCA1 p.Asn1611Asp 11785958:119:92
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121 We could observe the comparable expression of ABCA1 protein in fibroblasts from Case 3 (Ho/ N1611D).
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ABCA1 p.Asn1611Asp 11785958:121:92
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129 We could detect a significant amount of cholesterol efflux from cells expressing A255T/ABCA1-FLAG.
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ABCA1 p.Asn1611Asp 11785958:129:22
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131 From cells expressing N1611D/ ABCA1-FLAG, no significant cholesterol efflux could be observed, although we obtained the comparable expression of the mutant protein (Figs. 4A and 4B).
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ABCA1 p.Asn1611Asp 11785958:131:22
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167 In Case 3, who did not have typical TD phenotype such as orange tonsils and hepatosplenomegaly, we found the other novel substitution (A5226G/N1611D).
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ABCA1 p.Asn1611Asp 11785958:167:142
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58 TABLE 1 Clinical Profiles of Patients with Familial HDL Deficiency Case 1 Case 2 Case 3 ABCA1 substitutions found (nt/aa) G1158A/A255T C5946T/R1851X A5226G/N1611D Age (years)/sex (M, F) 56/M 71/F 53/F Total cholesterol (mmol/L) 0.72 1.47 2.7 HDL-cholesterol (mmol/L) 0.16 0.05 0.11 Triglyceride (mmol/L) 2.6 3.27 1.75 Apo-Al (mg/dL) 3.9 5.0 11.0 Atherosclerosis af9; af9; af9; Typical TD phenotype af9; af9; afa; Cholesterol efflux (% of control) 5.0 2.0 7.0 Note.
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ABCA1 p.Asn1611Asp 11785958:58:156
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110 Case 3 was homozygous for a A to G substitution at nucleotide position 5226, causing a change of amino acid from asparagine (N) to aspartic acid (D) at codon 1611 (N1611D), as shown in Fig. 1C. The codon 1611 appeared to be located around the proximal part of the second transmembrane domain (Fig. 2).
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ABCA1 p.Asn1611Asp 11785958:110:164
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114 In Cases 2 (Ho/ R1851X) and 3 (Ho/N1611D), the expression of mRNA did not appear to be altered with and without the stimulation (Figs. 3A and 3B).
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ABCA1 p.Asn1611Asp 11785958:114:34
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165 In Case 3, who did not have typical TD phenotype such as orange tonsils and hepatosplenomegaly, we found the other novel substitution (A5226G/N1611D).
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ABCA1 p.Asn1611Asp 11785958:165:142
status: NEW
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