6-31356889-A-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BP4_Strong

The NM_005514.8(HLA-B):​c.142T>A​(p.Ser48Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 11/18 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S48A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.040 ( 107 hom., cov: 6)
Exomes 𝑓: 0.085 ( 14356 hom. )
Failed GnomAD Quality Control

Consequence

HLA-B
NM_005514.8 missense

Scores

1
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.74
Variant links:
Genes affected
HLA-B (HGNC:4932): (major histocompatibility complex, class I, B) HLA-B belongs to the HLA class I heavy chain paralogues. This class I molecule is a heterodimer consisting of a heavy chain and a light chain (beta-2 microglobulin). The heavy chain is anchored in the membrane. Class I molecules play a central role in the immune system by presenting peptides derived from the endoplasmic reticulum lumen. They are expressed in nearly all cells. The heavy chain is approximately 45 kDa and its gene contains 8 exons. Exon 1 encodes the leader peptide, exon 2 and 3 encode the alpha1 and alpha2 domains, which both bind the peptide, exon 4 encodes the alpha3 domain, exon 5 encodes the transmembrane region and exons 6 and 7 encode the cytoplasmic tail. Polymorphisms within exon 2 and exon 3 are responsible for the peptide binding specificity of each class one molecule. Typing for these polymorphisms is routinely done for bone marrow and kidney transplantation. Hundreds of HLA-B alleles have been described. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.003454417).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
HLA-BNM_005514.8 linkuse as main transcriptc.142T>A p.Ser48Thr missense_variant 2/8 ENST00000412585.7 NP_005505.2 P01889E5FQ95

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
HLA-BENST00000412585.7 linkuse as main transcriptc.142T>A p.Ser48Thr missense_variant 2/86 NM_005514.8 ENSP00000399168.2 P01889

Frequencies

GnomAD3 genomes
AF:
0.00
AC:
1874
AN:
47074
Hom.:
109
Cov.:
6
FAILED QC
Gnomad AFR
AF:
0.0167
Gnomad AMI
AF:
0.0430
Gnomad AMR
AF:
0.0259
Gnomad ASJ
AF:
0.0259
Gnomad EAS
AF:
0.135
Gnomad SAS
AF:
0.0372
Gnomad FIN
AF:
0.0375
Gnomad MID
AF:
0.0682
Gnomad NFE
AF:
0.0510
Gnomad OTH
AF:
0.0504
GnomAD3 exomes
AF:
0.144
AC:
27432
AN:
190526
Hom.:
5004
AF XY:
0.146
AC XY:
15147
AN XY:
103896
show subpopulations
Gnomad AFR exome
AF:
0.0635
Gnomad AMR exome
AF:
0.147
Gnomad ASJ exome
AF:
0.0823
Gnomad EAS exome
AF:
0.204
Gnomad SAS exome
AF:
0.178
Gnomad FIN exome
AF:
0.160
Gnomad NFE exome
AF:
0.135
Gnomad OTH exome
AF:
0.172
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.0849
AC:
74048
AN:
872498
Hom.:
14356
Cov.:
21
AF XY:
0.0877
AC XY:
38303
AN XY:
436780
show subpopulations
Gnomad4 AFR exome
AF:
0.0507
Gnomad4 AMR exome
AF:
0.0781
Gnomad4 ASJ exome
AF:
0.0516
Gnomad4 EAS exome
AF:
0.152
Gnomad4 SAS exome
AF:
0.125
Gnomad4 FIN exome
AF:
0.0896
Gnomad4 NFE exome
AF:
0.0811
Gnomad4 OTH exome
AF:
0.0879
GnomAD4 genome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.0397
AC:
1872
AN:
47122
Hom.:
107
Cov.:
6
AF XY:
0.0366
AC XY:
804
AN XY:
21996
show subpopulations
Gnomad4 AFR
AF:
0.0168
Gnomad4 AMR
AF:
0.0259
Gnomad4 ASJ
AF:
0.0259
Gnomad4 EAS
AF:
0.133
Gnomad4 SAS
AF:
0.0346
Gnomad4 FIN
AF:
0.0375
Gnomad4 NFE
AF:
0.0510
Gnomad4 OTH
AF:
0.0509
Alfa
AF:
0.184
Hom.:
936
ExAC
AF:
0.142
AC:
16797

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.63
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
1.6
DANN
Benign
0.27
DEOGEN2
Benign
0.022
T;.;T
Eigen
Benign
-2.2
Eigen_PC
Benign
-2.3
FATHMM_MKL
Benign
0.0073
N
LIST_S2
Benign
0.0027
T;T;T
MetaRNN
Benign
0.0035
T;T;T
MetaSVM
Benign
-1.0
T
PROVEAN
Benign
-0.78
N;.;N
REVEL
Uncertain
0.32
Sift
Benign
0.33
T;.;T
Sift4G
Benign
0.15
T;.;T
Polyphen
0.0
B;.;.
Vest4
0.046
MPC
0.20
ClinPred
0.0024
T
GERP RS
-6.4
Varity_R
0.13
gMVP
0.18

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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: rs713031; hg19: chr6-31324666; COSMIC: COSV69520355; COSMIC: COSV69520355; API