ABCA1 p.Asp831Asn
| Predicted by SNAP2: | A: D (75%), C: D (71%), E: D (63%), F: D (80%), G: D (80%), H: D (85%), I: D (80%), K: D (91%), L: D (85%), M: D (75%), N: D (75%), P: D (80%), Q: D (75%), R: D (91%), S: D (66%), T: D (75%), V: D (80%), W: D (91%), Y: D (91%), |
| Predicted by PROVEAN: | A: D, C: D, E: D, F: D, G: D, H: D, I: D, K: D, L: D, M: D, N: D, P: D, Q: D, R: D, S: D, T: D, V: D, W: D, Y: D, |
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[hide] Variations on a gene: rare and common variants in ... Annu Rev Nutr. 2006;26:105-29. Brunham LR, Singaraja RR, Hayden MR
Variations on a gene: rare and common variants in ABCA1 and their impact on HDL cholesterol levels and atherosclerosis.
Annu Rev Nutr. 2006;26:105-29., [PMID:16704350]
Abstract [show]
Cholesterol and its metabolites play a variety of essential roles in living systems. Virtually all animal cells require cholesterol, which they acquire through synthesis or uptake, but only the liver can degrade cholesterol. The ABCA1 gene product regulates the rate-controlling step in the removal of cellular cholesterol: the efflux of cellular cholesterol and phospholipids to an apolipoprotein acceptor. Mutations in ABCA1, as seen in Tangier disease, result in accumulation of cellular cholesterol, reduced plasma high-density lipoprotein cholesterol, and increased risk for coronary artery disease. To date, more than 100 coding variants have been identified in ABCA1, and these variants result in a broad spectrum of biochemical and clinical phenotypes. Here we review genetic variation in ABCA1 and its critical role in cholesterol metabolism and atherosclerosis in the general population.
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No. Sentence Comment
605 Many of these variants have been studied in relationship to their association with HDL cholesterol levels and atherosclerosis (11, 15, 22, 27, 28, 38, TABLE 4 Nonsynonymous single-nucleotide polymorphisms (SNPs) in ABCA1 SNP id Nucleotidea Amino acidb Observed heterozygosity rs2230806 G969A R219K 0.488 rs9282541 C1001T R230C 0.029 rs9282543 T1509C V399A 0.020 rs4131108 A1556C M415L - rs13306068 A1949G I546V - rs2066718 G2624A V771M 0.074 rs2472458 G2804A D831N - rs4149313 A2962G I883M - rs2482437 C3326T E1005K - rs13306072 G3473A V1054I - rs13306073 G3599A V1096I - rs1997618 T4977C I1555T - rs2230808 A5073G K1587R 0.480 rs1883024 T5256C L1648P - - C5505G S1731C - a Nucleotide position is with respect to NM 005502. b Amino acid position is with respect to NP 005493.
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ABCA1 p.Asp831Asn 16704350:605:462
status: NEW[hide] Human and mouse ABCA1 comparative sequencing and t... Genomics. 2001 Apr 1;73(1):66-76. Qiu Y, Cavelier L, Chiu S, Yang X, Rubin E, Cheng JF
Human and mouse ABCA1 comparative sequencing and transgenesis studies revealing novel regulatory sequences.
Genomics. 2001 Apr 1;73(1):66-76., [PMID:11352567]
Abstract [show]
The expression of ABCA1, a major participant in apolipoprotein-mediated cholesterol efflux, is regulated by a variety of factors, including intracellular cholesterol concentration. To identify sequences involved in its regulation, we sequenced and compared approximately 200 kb of mouse and human DNA containing the ABCA1 gene. Furthermore, expression of the human gene containing different 5' ends was examined in transgenic mice. Sequence comparison revealed multiple conserved noncoding sequences. The two most highly conserved noncoding elements (CNS1, 88% identity over 498 bp; CNS2, 81% identity over 214 bp) were also highly conserved in other organisms. Mice containing the human ABCA1 gene, 70 kb of upstream DNA, and 35 kb of downstream DNA expressed the transgene similarly to endogenous Abca1. A second transgene beginning 3' to exon 1 was expressed only in liver, providing strong evidence of an unsuspected liver-specific promoter. The identified conserved noncoding sequences invite further investigation to elucidate ABCA1 regulation.
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No. Sentence Comment
119 These included Arg219Lys, Tyr793Cys, Asp831Asn, Asp1005Lys, Thr1555Ile, Arg1974Lys, and Pro2168Leu.
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ABCA1 p.Asp831Asn 11352567:119:37
status: NEW