ABCA3 p.Val839Phe
| Predicted by SNAP2: | A: N (66%), C: N (66%), D: D (66%), E: N (61%), F: N (66%), G: D (59%), H: N (61%), I: N (93%), K: N (53%), L: N (87%), M: N (78%), N: N (57%), P: N (53%), Q: N (61%), R: N (53%), S: N (61%), T: N (78%), W: D (71%), Y: N (57%), |
| Predicted by PROVEAN: | A: D, C: D, D: D, E: D, F: D, G: D, H: D, I: N, K: D, L: D, M: D, N: D, P: D, Q: D, R: D, S: D, T: D, W: D, Y: D, |
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[hide] Haplotype analysis of ABCA3: association with resp... Ann Med. 2008;40(1):56-65. Karjalainen MK, Haataja R, Hallman M
Haplotype analysis of ABCA3: association with respiratory distress in very premature infants.
Ann Med. 2008;40(1):56-65., [PMID:18246475]
Abstract [show]
BACKGROUND: Adenosine triphosphate (ATP)-binding cassette transporter A3 (ABCA3) gene mutations cause fatal respiratory failure in term infants, but common ABCA3 polymorphisms have remained uncharacterized at the population level. AIM: To define a subset of tagging single-nucleotide polymorphisms (tSNPs) which capture most of the variation within the ABCA3 gene, and to assess ABCA3 as a novel candidate gene for susceptibility to respiratory distress syndrome (RDS) in preterm infants. METHODS: Based on an initial screen, nine tSNPs were selected. These 9 tSNPs and a length variation, representing > 90% of haplotypic variation of the gene, and 5 nonsynonymous coding SNPs were genotyped in 267 preterm infants. SNP rs13332514 was genotyped in an additional 48 infants. RESULTS: The fourth common haplotype was overrepresented in very premature infants with RDS, being accounted for by SNP rs13332514 (F353F), with an increased minor allele frequency in RDS. Furthermore, rs13332514 associated significantly with chronic lung disease defined as a requirement for supplemental O2 at 28 postnatal days in very premature infants. CONCLUSIONS: The results are suggestive of an association of a synonymous SNP in the ABCA3 gene with a prolonged course of respiratory distress syndrome in very premature infants and serve as a reference for further population-based studies of ABCA3.
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No. Sentence Comment
90 SNP rs149532 (corresponding to residue S1372S) was rare (MAF50.02) in our population, and it was thus excluded from further analysis, together with the nonpolymorphic cSNPs (rs28936412, 875AwT, rs13332760, rs28936690, and rs28936691, corresponding to residues L101P, E292V, V839F, L1552P, and Q1591P, respectively).
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ABCA3 p.Val839Phe 18246475:90:274
status: NEW94 SNP No. or position a Alleles (major/minor) Position b Location Affected residue Minor allele frequency tSNPs c Best pairwise r2 value and the corresponding tSNP d rs28936412 T/C 2316029 Exon 5 L101P 0 - 320-17GwA G/A 2314550 Intron 5 0.055 tSNP1 875AwT A/T 2307765 Exon 9 E292V 0 - rs13332547 C/T 2307425 Intron 9 0.093 tSNP2, r2 51 rs13332514 C/T 2307337 Exon 10 F353F 0.093 tSNP2 rs323069 G/C 2304052 Intron 10 0.271 tSNP3 rs323073 C/T 2298761 Intron 10 0.283 tSNP3, r2 50.831 rs323074 G/A 2298314 Intron 11 0.201 tSNP5, r2 50.848 rs323033 A/G 2296546 Intron 11 0.259 tSNP4 rs323040 G/A 2290527 Intron 12 0.168 tSNP5 rs170447 A/G 2289372 Intron 14 0.396 tSNP6, r2 50.832 rs2240523 T/C 2288658 Intron 14 0.381 tSNP6, r2 50.849 rs17183533 A/G 2285389 Intron 18 0.420 tSNP7, r2 50.986 rs13332760 G/T 2279621 Exon 20 V839F 0 - rs313909 C/T 2277994 Intron 21 0.373 tSNP6 rs2014467 A/G 2276395 Intron 22 0.424 tSNP7 rs2238464 G/A 2272578 Intron 26 0.420 tSNP8 rs149532 T/C 2271431 Exon 27 S1372S 0.020 - rs150926 G/C 2270170 Intron 28 0.372 tSNP6, r2 50.975 rs150928 C/T 2268651 Intron 29 0.226 tSNP9 rs28936690 T/C 2268353 Exon 30 L1552P 0 - rs28936691 A/C 2268018 Exon 31 Q1591P 0 - a rs numbers are shown for SNPs with entries in dbSNP. SNPs without entries in dbSNP are numbered from start codon as advised in (34).
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ABCA3 p.Val839Phe 18246475:94:816
status: NEW129 None of the five nonsynonymous cSNPs (rs28936412, 875AwT, rs13332760, rs28936690, and rs28936691, corresponding to residues L101P, E292V, V839F, L1552P, and Q1591P, respectively) were detected in any individuals.
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ABCA3 p.Val839Phe 18246475:129:138
status: NEW213 In our study population, however, neither these nor the two other nonsynonymous cSNPs (corresponding to V839F and L1552P) listed in dbSNP were polymorphic, suggesting that they represent mutations rather than common polymorphisms.
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ABCA3 p.Val839Phe 18246475:213:104
status: NEW