ABCA8 p.Val287Ile
| Predicted by SNAP2: | A: N (57%), C: N (57%), D: D (80%), E: D (75%), F: N (66%), G: D (71%), H: D (75%), I: N (97%), K: D (80%), L: N (72%), M: D (59%), N: D (75%), P: D (80%), Q: D (75%), R: D (71%), S: D (66%), T: D (53%), W: D (80%), Y: D (63%), |
| Predicted by PROVEAN: | A: D, C: D, D: D, E: D, F: D, G: D, H: D, I: N, K: D, L: N, M: N, N: D, P: D, Q: D, R: D, S: D, T: D, W: D, Y: D, |
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[hide] ABCA10, a novel cholesterol-regulated ABCA6-like A... Biochem Biophys Res Commun. 2003 Jul 11;306(4):1089-98. Wenzel JJ, Kaminski WE, Piehler A, Heimerl S, Langmann T, Schmitz G
ABCA10, a novel cholesterol-regulated ABCA6-like ABC transporter.
Biochem Biophys Res Commun. 2003 Jul 11;306(4):1089-98., [PMID:12821155]
Abstract [show]
We recently identified several novel members of the A subclass of ABC transporters. In this study, we report the cloning of an additional ABC A subfamily transporter, denoted ABCA10, from macrophages. The coding sequence of ABCA10 is of 4.6 kb size and codes for a 1543-amino acid protein that bears the structural features of a full-size ABC transporter. Intriguingly, ABCA10 contains a PEST sequence downstream of the N-terminal transmembrane domain which may be potentially involved in the control of its turnover rate by proteasomal degradation. Several distinct ABCA10 transcripts are expressed in human macrophages that predict the existence of various truncated forms of the novel transporter. Moreover, we identified seven single nucleotide polymorphisms in ABCA10 transcripts. ABCA10 displays high amino acid sequence homology with ABCA6 (63%), ABCA8 (62%), and ABCA9 (63%), respectively, known members of the subgroup of ABCA6-like transporters. Like other transporters of this subfamily, ABCA10 mRNA is ubiquitously expressed and highest gene expression levels are detectable in heart, brain, and the gastrointestinal tract. Analysis of the gene structure demonstrated that the ABCA10 gene consists of 40 exons that extend across a genomic region of approximately 97kb size (Chr. 17q24.3). ABCA10 mRNA is expressed in similar quantities in monocytes and M-CSF differentiated macrophages. Importantly, ABCA10 expression is suppressed by cholesterol import into macrophages, indicating that it is a cholesterol-responsive gene. Our results identify ABCA10 as a novel member of the group of ABCA6-like transporters and suggest its involvement in macrophage lipid homeostasis.
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No. Sentence Comment
141 Two SNPs represent silent mutations (504G/A and 783C/T), whereas three SNPs cause amino acid substitutions (607C/T, P203S; 859G/A, V287I; and 3647T/G, I1216R).
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ABCA8 p.Val287Ile 12821155:141:131
status: NEW153 Table 3 Single nucleotide polymorphisms in the ABCA10 exon regions Variant name Nucleotide position Exon Amino acid change )438 A/C )438 2 nc )300 A/C )300 3 nc 504 G/A 504 7 sm 607 C/T 607 8 P203S 783 C/T 783 9 sm 859 G/A 859 10 V287I 3647 T/G 3647 31 I1216R Nucleotide position 1 refers to the first base of the start codon (base position 911).
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ABCA8 p.Val287Ile 12821155:153:230
status: NEW