6-32830954-C-G

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001290043.2(TAP2):​c.1273-148G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000059 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

TAP2
NM_001290043.2 intron

Scores

2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.391

Publications

43 publications found
Variant links:
Genes affected
TAP2 (HGNC:44): (transporter 2, ATP binding cassette subfamily B member) The membrane-associated 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 MDR/TAP subfamily. Members of the MDR/TAP subfamily are involved in multidrug resistance. This gene is located 7 kb telomeric to gene family member ABCB2. The protein encoded by this gene is involved in antigen presentation. This protein forms a heterodimer with ABCB2 in order to transport peptides from the cytoplasm to the endoplasmic reticulum. Mutations in this gene may be associated with ankylosing spondylitis, insulin-dependent diabetes mellitus, and celiac disease. Alternative splicing of this gene produces products which differ in peptide selectivity and level of restoration of surface expression of MHC class I molecules. [provided by RefSeq, Feb 2014]
TAP2 Gene-Disease associations (from GenCC):
  • MHC class I deficiency
    Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.86).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TAP2NM_001290043.2 linkc.1273-148G>C intron_variant Intron 7 of 11 ENST00000374897.4 NP_001276972.1 Q03519-1Q5JNW1
TAP2NM_018833.3 linkc.1273-148G>C intron_variant Intron 7 of 11 NP_061313.2 Q03519-2Q9UP03

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TAP2ENST00000374897.4 linkc.1273-148G>C intron_variant Intron 7 of 11 1 NM_001290043.2 ENSP00000364032.3 Q03519-1
ENSG00000250264ENST00000452392.2 linkc.1273-148G>C intron_variant Intron 7 of 14 2 ENSP00000391806.2 E7ENX8

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.00000595
AC:
4
AN:
672548
Hom.:
0
AF XY:
0.00000843
AC XY:
3
AN XY:
355702
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
17976
American (AMR)
AF:
0.00
AC:
0
AN:
34566
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
20618
East Asian (EAS)
AF:
0.00
AC:
0
AN:
32580
South Asian (SAS)
AF:
0.00
AC:
0
AN:
64466
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
33958
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
2770
European-Non Finnish (NFE)
AF:
0.00000928
AC:
4
AN:
431206
Other (OTH)
AF:
0.00
AC:
0
AN:
34408
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.588
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.00
Hom.:
20037

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.86
CADD
Benign
0.21
DANN
Benign
0.40
PhyloP100
-0.39

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

Other links and lift over

dbSNP: rs1015166; hg19: chr6-32798731; API