rs1557054740
Positions:
Variant summary
Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM1PM2PP3_Strong
The NM_000033.4(ABCD1):c.1514T>C(p.Ile505Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Genomes: not found (cov: 24)
Consequence
ABCD1
NM_000033.4 missense
NM_000033.4 missense
Scores
13
3
1
Clinical Significance
Conservation
PhyloP100: 8.01
Genes affected
ABCD1 (HGNC:61): (ATP binding cassette subfamily D member 1) The protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the ALD subfamily, which is involved in peroxisomal import of fatty acids and/or fatty acyl-CoAs in the organelle. All known peroxisomal ABC transporters are half transporters which require a partner half transporter molecule to form a functional homodimeric or heterodimeric transporter. This peroxisomal membrane protein is likely involved in the peroxisomal transport or catabolism of very long chain fatty acids. Defects in this gene have been identified as the underlying cause of adrenoleukodystrophy, an X-chromosome recessively inherited demyelinating disorder of the nervous system. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 8 ACMG points.
PM1
?
In a hotspot region, there are 9 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 8 uncertain in NM_000033.4
PM2
?
Very rare variant in population databases, with high coverage;
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.99
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
ABCD1 | NM_000033.4 | c.1514T>C | p.Ile505Thr | missense_variant | 6/10 | ENST00000218104.6 | |
LOC124905226 | XR_007068350.1 | n.1431A>G | non_coding_transcript_exon_variant | 1/2 | |||
ABCD1 | XM_047441916.1 | c.1814T>C | p.Ile605Thr | missense_variant | 7/11 | ||
ABCD1 | XM_047441917.1 | c.1570T>C | p.Ser524Pro | missense_variant | 7/8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
ABCD1 | ENST00000218104.6 | c.1514T>C | p.Ile505Thr | missense_variant | 6/10 | 1 | NM_000033.4 | P1 | |
PLXNB3-AS1 | ENST00000434284.1 | n.72-1539A>G | intron_variant, non_coding_transcript_variant | 3 | |||||
ABCD1 | ENST00000443684.2 | n.517T>C | non_coding_transcript_exon_variant | 5/6 | 3 |
Frequencies
GnomAD3 genomes ? Cov.: 24
GnomAD3 genomes
?
Cov.:
24
GnomAD4 exome Cov.: 31
GnomAD4 exome
Cov.:
31
GnomAD4 genome ? Cov.: 24
GnomAD4 genome
?
Cov.:
24
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Athena Diagnostics | Mar 22, 2017 | - - |
Adrenoleukodystrophy Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Jun 30, 2023 | In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt ABCD1 protein function. ClinVar contains an entry for this variant (Variation ID: 446780). This variant has not been reported in the literature in individuals affected with ABCD1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces isoleucine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 505 of the ABCD1 protein (p.Ile505Thr). - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Pathogenic
D
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D
MetaSVM
Uncertain
D
MutationAssessor
Pathogenic
H
MutationTaster
Benign
D
PrimateAI
Pathogenic
D
PROVEAN
Pathogenic
D
REVEL
Pathogenic
Sift
Pathogenic
D
Sift4G
Uncertain
D
Polyphen
D
Vest4
MutPred
Loss of stability (P = 0.019);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at