12-39573859-C-G

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_005164.4(ABCD2):​c.1878-18G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00833 in 1,603,096 control chromosomes in the GnomAD database, including 118 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0068 ( 7 hom., cov: 32)
Exomes 𝑓: 0.0085 ( 111 hom. )

Consequence

ABCD2
NM_005164.4 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:2

Conservation

PhyloP100: -0.0390
Variant links:
Genes affected
ABCD2 (HGNC:66): (ATP binding cassette subfamily D member 2) 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. The function of this peroxisomal membrane protein is unknown; however this protein is speculated to function as a dimerization partner of ABCD1 and/or other peroxisomal ABC transporters. Mutations in this gene have been observed in patients with adrenoleukodystrophy, a severe demyelinating disease. This gene has been identified as a candidate for a modifier gene, accounting for the extreme variation among adrenoleukodystrophy phenotypes. This gene is also a candidate for a complement group of Zellweger syndrome, a genetically heterogeneous disorder of peroxisomal biogenesis. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.83).
BP6
Variant 12-39573859-C-G is Benign according to our data. Variant chr12-39573859-C-G is described in ClinVar as [Benign]. Clinvar id is 559119.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00685 (1042/152162) while in subpopulation SAS AF= 0.0247 (119/4824). AF 95% confidence interval is 0.0211. There are 7 homozygotes in gnomad4. There are 544 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 7 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ABCD2NM_005164.4 linkuse as main transcriptc.1878-18G>C intron_variant ENST00000308666.4 NP_005155.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ABCD2ENST00000308666.4 linkuse as main transcriptc.1878-18G>C intron_variant 1 NM_005164.4 ENSP00000310688 P1

Frequencies

GnomAD3 genomes
AF:
0.00685
AC:
1041
AN:
152044
Hom.:
7
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00186
Gnomad AMI
AF:
0.0493
Gnomad AMR
AF:
0.00805
Gnomad ASJ
AF:
0.00778
Gnomad EAS
AF:
0.000963
Gnomad SAS
AF:
0.0244
Gnomad FIN
AF:
0.00255
Gnomad MID
AF:
0.00949
Gnomad NFE
AF:
0.00879
Gnomad OTH
AF:
0.00909
GnomAD3 exomes
AF:
0.00851
AC:
2070
AN:
243240
Hom.:
29
AF XY:
0.00959
AC XY:
1261
AN XY:
131458
show subpopulations
Gnomad AFR exome
AF:
0.000870
Gnomad AMR exome
AF:
0.00265
Gnomad ASJ exome
AF:
0.0110
Gnomad EAS exome
AF:
0.000608
Gnomad SAS exome
AF:
0.0272
Gnomad FIN exome
AF:
0.00252
Gnomad NFE exome
AF:
0.00870
Gnomad OTH exome
AF:
0.00898
GnomAD4 exome
AF:
0.00848
AC:
12306
AN:
1450934
Hom.:
111
Cov.:
29
AF XY:
0.00906
AC XY:
6538
AN XY:
721418
show subpopulations
Gnomad4 AFR exome
AF:
0.00100
Gnomad4 AMR exome
AF:
0.00279
Gnomad4 ASJ exome
AF:
0.00993
Gnomad4 EAS exome
AF:
0.000203
Gnomad4 SAS exome
AF:
0.0264
Gnomad4 FIN exome
AF:
0.00265
Gnomad4 NFE exome
AF:
0.00809
Gnomad4 OTH exome
AF:
0.00837
GnomAD4 genome
AF:
0.00685
AC:
1042
AN:
152162
Hom.:
7
Cov.:
32
AF XY:
0.00731
AC XY:
544
AN XY:
74384
show subpopulations
Gnomad4 AFR
AF:
0.00185
Gnomad4 AMR
AF:
0.00804
Gnomad4 ASJ
AF:
0.00778
Gnomad4 EAS
AF:
0.000965
Gnomad4 SAS
AF:
0.0247
Gnomad4 FIN
AF:
0.00255
Gnomad4 NFE
AF:
0.00879
Gnomad4 OTH
AF:
0.00900
Alfa
AF:
0.00687
Hom.:
0
Bravo
AF:
0.00637
Asia WGS
AF:
0.0120
AC:
41
AN:
3476

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, no assertion criteria providedclinical testingMayo Clinic Laboratories, Mayo ClinicFeb 06, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.83
CADD
Benign
1.4
DANN
Benign
0.53

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs139846202; hg19: chr12-39967661; API