ABCD1 p.Ala99Asp
| Predicted by SNAP2: | C: N (66%), D: D (85%), E: D (80%), F: D (53%), G: N (61%), H: D (75%), I: N (66%), K: D (85%), L: N (78%), M: N (53%), N: D (71%), P: D (85%), Q: D (71%), R: D (80%), S: N (72%), T: N (53%), V: N (66%), W: D (71%), Y: D (66%), |
| Predicted by PROVEAN: | C: N, D: D, E: N, F: N, G: N, H: D, I: N, K: N, L: N, M: N, N: N, P: N, Q: N, R: N, S: N, T: N, V: N, W: N, Y: N, |
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[hide] Eight novel ABCD1 gene mutations and three polymor... Hum Mutat. 2001;18(1):52-60. Dvorakova L, Storkanova G, Unterrainer G, Hujova J, Kmoch S, Zeman J, Hrebicek M, Berger J
Eight novel ABCD1 gene mutations and three polymorphisms in patients with X-linked adrenoleukodystrophy: The first polymorphism causing an amino acid exchange.
Hum Mutat. 2001;18(1):52-60., [PMID:11438993]
Abstract [show]
X-ALD is a neurological disorder associated with inherited defects in the ABCD1 (ALD) gene located on Xq28 and with impaired peroxisomal very long-chain fatty acid beta-oxidation. We examined the ABCD1 gene in probands from 11 unrelated X-ALD Czech and Slovak families by the direct sequencing of cDNA or genomic PCR products. In 10 families there were 10 different mutations, eight of which were novel. The spectrum of mutations consists of six point mutations, three microdeletions (1bp, 2bp, 4 bp), and one large deletion (229bp). In the 11th family we detected two novel single-base pair substitutions in exon 1 (c.38 A>C and c.649 A>G), both causing amino acid exchanges (N13T and K217E). Expression studies revealed that only K217E is a deleterious mutation, because a plasmid encoding ALDP with K217E was ineffective in the restoration of defective beta-oxidation in X-ALD fibroblasts. The N13T amino acid exchange, on the other hand, did not affect ALDP function. Thus, N13T represents the first polymorphism causing an amino acid exchange in the ABCD1 gene. As this polymorphism was observed neither in 100 control alleles nor in 300 X-ALD patients who have been sequenced so far world-wide, it seems to be very rare or unique. Two additional novel polymorphisms were found by the sequencing of the ABCD1 gene from our patients: c.-59 C/T in the 5'untranslated region and c.2019 C/T (F673F) in exon 10. The frequencies of these two polymorphisms, were 11/150 and 2/150 control alleles, respectively.
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No. Sentence Comment
46 Phenotype (years) Therapy Exon (ATG=1) Allele residues site Polymorphisms 1 1 ccALD 15 None 1 c.97-100 Fs V32 +BsmFI c.2246 G>C del/TACC 2 2 ccALD 6 LO, GTO, BMT 1+IVS1 g.697-925/del 3 3 AMN 33 LO, GTO 3 c.1092/del/C Fs E363 -BsuRI 4 4 ccALD Died at None 5 c.1415-1416/del Fs E471 +TaaIe the age of 9 AGf 5 5 AMN 20 LO, GTO 1 c.293 C>Tg S98L TMS 1c -Eco52I c.2019 C>T c.2246 G>C 6 6 AMN 18 LO, GTO 1 c.296 C>A A99D TMS 1 +BsaHI c.1548 G>A c.2246 G>C 7 7a ADO 14 LO, GTO 1 c.649 A>G K217E TMS 3 +AvaIe c.38 A>C 7 7b ADO 9 LO, GTO 1 c.649 A>G K217E TMS 3 +AvaIe c.38 A>C 8 8 AMN 22 LO, GTO 6 c.1553 G>Ah R518Q Walker Ad +PflMI 9 9 ccALD 17b LO, GTO 8 c.1823 G>A G608D C sequenced +HphI c.-59 C>T c.1548 G>A c.2246 G>C 10 10 Asymptomatic 9 LO,GTO 9 c.1898 G>T S633I Conserved in mouse +MslI 11 11 ccALD 9 None 9 c.1979 G>C R660P Conserved in mouse -Cfr10I a Novel variants in boldface type.
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ABCD1 p.Ala99Asp 11438993:46:410
status: NEW