6-32829532-T-G

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_001290043.2(TAP2):​c.1800A>C​(p.Val600Val) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0508 in 1,613,994 control chromosomes in the GnomAD database, including 2,457 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.064 ( 387 hom., cov: 32)
Exomes 𝑓: 0.049 ( 2070 hom. )

Consequence

TAP2
NM_001290043.2 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -5.01

Publications

8 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: Labcorp Genetics (formerly Invitae), ClinGen, Orphanet, Ambry Genetics
  • MHC class I deficiency 1
    Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.71).
BP6
Variant 6-32829532-T-G is Benign according to our data. Variant chr6-32829532-T-G is described in ClinVar as Benign. ClinVar VariationId is 403514.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-5.01 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0972 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001290043.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TAP2
NM_001290043.2
MANE Select
c.1800A>Cp.Val600Val
synonymous
Exon 11 of 12NP_001276972.1Q5JNW1
TAP2
NM_018833.3
c.1800A>Cp.Val600Val
synonymous
Exon 11 of 12NP_061313.2Q9UP03

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TAP2
ENST00000374897.4
TSL:1 MANE Select
c.1800A>Cp.Val600Val
synonymous
Exon 11 of 12ENSP00000364032.3Q03519-1
ENSG00000250264
ENST00000452392.2
TSL:2
c.1800A>Cp.Val600Val
synonymous
Exon 11 of 15ENSP00000391806.2E7ENX8
TAP2
ENST00000698449.1
c.1833A>Cp.Val611Val
synonymous
Exon 12 of 13ENSP00000513734.1A0A8V8TNJ0

Frequencies

GnomAD3 genomes
AF:
0.0642
AC:
9766
AN:
152078
Hom.:
387
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.100
Gnomad AMI
AF:
0.0625
Gnomad AMR
AF:
0.0395
Gnomad ASJ
AF:
0.0288
Gnomad EAS
AF:
0.0349
Gnomad SAS
AF:
0.0116
Gnomad FIN
AF:
0.101
Gnomad MID
AF:
0.0380
Gnomad NFE
AF:
0.0508
Gnomad OTH
AF:
0.0397
GnomAD2 exomes
AF:
0.0510
AC:
12810
AN:
251306
AF XY:
0.0497
show subpopulations
Gnomad AFR exome
AF:
0.103
Gnomad AMR exome
AF:
0.0268
Gnomad ASJ exome
AF:
0.0289
Gnomad EAS exome
AF:
0.0319
Gnomad FIN exome
AF:
0.0987
Gnomad NFE exome
AF:
0.0575
Gnomad OTH exome
AF:
0.0510
GnomAD4 exome
AF:
0.0494
AC:
72185
AN:
1461798
Hom.:
2070
Cov.:
39
AF XY:
0.0483
AC XY:
35119
AN XY:
727206
show subpopulations
African (AFR)
AF:
0.104
AC:
3473
AN:
33480
American (AMR)
AF:
0.0283
AC:
1265
AN:
44710
Ashkenazi Jewish (ASJ)
AF:
0.0295
AC:
771
AN:
26130
East Asian (EAS)
AF:
0.0468
AC:
1856
AN:
39700
South Asian (SAS)
AF:
0.0119
AC:
1029
AN:
86248
European-Finnish (FIN)
AF:
0.0981
AC:
5237
AN:
53398
Middle Eastern (MID)
AF:
0.0258
AC:
149
AN:
5768
European-Non Finnish (NFE)
AF:
0.0502
AC:
55787
AN:
1111968
Other (OTH)
AF:
0.0433
AC:
2618
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
3988
7975
11963
15950
19938
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
2022
4044
6066
8088
10110
<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
AF:
0.0642
AC:
9769
AN:
152196
Hom.:
387
Cov.:
32
AF XY:
0.0654
AC XY:
4863
AN XY:
74404
show subpopulations
African (AFR)
AF:
0.0997
AC:
4140
AN:
41508
American (AMR)
AF:
0.0394
AC:
603
AN:
15298
Ashkenazi Jewish (ASJ)
AF:
0.0288
AC:
100
AN:
3472
East Asian (EAS)
AF:
0.0350
AC:
181
AN:
5176
South Asian (SAS)
AF:
0.0120
AC:
58
AN:
4826
European-Finnish (FIN)
AF:
0.101
AC:
1072
AN:
10594
Middle Eastern (MID)
AF:
0.0408
AC:
12
AN:
294
European-Non Finnish (NFE)
AF:
0.0508
AC:
3456
AN:
68004
Other (OTH)
AF:
0.0426
AC:
90
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.505
Heterozygous variant carriers
0
474
948
1422
1896
2370
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
102
204
306
408
510
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0534
Hom.:
437
Bravo
AF:
0.0612
Asia WGS
AF:
0.0260
AC:
93
AN:
3478
EpiCase
AF:
0.0510
EpiControl
AF:
0.0501

ClinVar

ClinVar submissions
Significance:Benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
MHC class I deficiency (1)
-
-
1
not specified (1)
-
-
1
TAP2-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.71
CADD
Benign
0.18
DANN
Benign
0.61
PhyloP100
-5.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Mutation Taster
=100/0
polymorphism (auto)

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: rs2229527; hg19: chr6-32797309; COSMIC: COSV107494535; COSMIC: COSV107494535; API