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GeneBe

chr14-24632967-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_004131.6(GZMB):​c.151G>A​(p.Gly51Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000242 in 1,613,852 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

GZMB
NM_004131.6 missense

Scores

6
8
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.37
Variant links:
Genes affected
GZMB (HGNC:4709): (granzyme B) This gene encodes a member of the granzyme subfamily of proteins, part of the peptidase S1 family of serine proteases. The encoded preproprotein is secreted by natural killer (NK) cells and cytotoxic T lymphocytes (CTLs) and proteolytically processed to generate the active protease, which induces target cell apoptosis. This protein also processes cytokines and degrades extracellular matrix proteins, and these roles are implicated in chronic inflammation and wound healing. Expression of this gene may be elevated in human patients with cardiac fibrosis. [provided by RefSeq, Sep 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.989

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GZMBNM_004131.6 linkuse as main transcriptc.151G>A p.Gly51Ser missense_variant 2/5 ENST00000216341.9
GZMBNM_001346011.2 linkuse as main transcriptc.115G>A p.Gly39Ser missense_variant 2/5
GZMBNR_144343.2 linkuse as main transcriptn.181G>A non_coding_transcript_exon_variant 2/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GZMBENST00000216341.9 linkuse as main transcriptc.151G>A p.Gly51Ser missense_variant 2/51 NM_004131.6 P2
ENST00000555300.1 linkuse as main transcriptn.177+9841C>T intron_variant, non_coding_transcript_variant 5

Frequencies

GnomAD3 genomes
AF:
0.0000591
AC:
9
AN:
152156
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000388
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.0000319
AC:
8
AN:
251012
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135650
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000326
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000205
AC:
30
AN:
1461696
Hom.:
0
Cov.:
33
AF XY:
0.0000193
AC XY:
14
AN XY:
727146
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000101
Gnomad4 SAS exome
AF:
0.0000812
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.000248
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152156
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74318
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000262
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000388
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000955
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000529
ExAC
AF:
0.0000412
AC:
5
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJul 06, 2021The c.151G>A (p.G51S) alteration is located in exon 2 (coding exon 2) of the GZMB gene. This alteration results from a G to A substitution at nucleotide position 151, causing the glycine (G) at amino acid position 51 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.49
BayesDel_addAF
Pathogenic
0.28
D
BayesDel_noAF
Pathogenic
0.48
CADD
Uncertain
25
DANN
Uncertain
1.0
Eigen
Uncertain
0.62
Eigen_PC
Uncertain
0.46
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.86
D;D;.;D;D
M_CAP
Uncertain
0.25
D
MetaRNN
Pathogenic
0.99
D;D;D;D;D
MetaSVM
Pathogenic
1.2
D
MutationTaster
Benign
0.80
D;D;D;D;N
PrimateAI
Benign
0.38
T
PROVEAN
Pathogenic
-5.4
D;D;D;.;D
REVEL
Pathogenic
0.68
Sift
Benign
0.031
D;D;D;.;D
Sift4G
Uncertain
0.035
D;D;D;D;D
Polyphen
1.0
.;D;.;.;.
Vest4
0.79
MutPred
0.99
.;Gain of MoRF binding (P = 0.1209);Gain of MoRF binding (P = 0.1209);Gain of MoRF binding (P = 0.1209);Gain of MoRF binding (P = 0.1209);
MVP
0.97
MPC
0.72
ClinPred
0.75
D
GERP RS
5.0
Varity_R
0.69
gMVP
0.93

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
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: rs767677921; hg19: chr14-25102173; API