chr20-1479868-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001122962.2(SIRPB2):​c.283G>A​(p.Val95Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,894 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

SIRPB2
NM_001122962.2 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.09

Publications

0 publications found
Variant links:
Genes affected
SIRPB2 (HGNC:16247): (signal regulatory protein beta 2) Predicted to be integral component of membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.18885458).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001122962.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SIRPB2
NM_001122962.2
MANE Select
c.283G>Ap.Val95Ile
missense
Exon 2 of 5NP_001116434.1Q5JXA9-1
SIRPB2
NM_001134836.2
c.157+126G>A
intron
N/ANP_001128308.1Q5JXA9-3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SIRPB2
ENST00000359801.8
TSL:2 MANE Select
c.283G>Ap.Val95Ile
missense
Exon 2 of 5ENSP00000352849.3Q5JXA9-1
SIRPB2
ENST00000381630.2
TSL:1
n.181+126G>A
intron
N/A
SIRPB2
ENST00000965661.1
c.283G>Ap.Val95Ile
missense
Exon 2 of 4ENSP00000635720.1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.00000401
AC:
1
AN:
249168
AF XY:
0.00000739
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000885
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000410
AC:
6
AN:
1461894
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727248
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000348
AC:
3
AN:
86258
European-Finnish (FIN)
AF:
0.0000187
AC:
1
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1112012
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
2
3
4
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.:
33
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.094
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.50
CADD
Benign
19
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0032
T
Eigen
Benign
-0.42
Eigen_PC
Benign
-0.57
FATHMM_MKL
Benign
0.013
N
LIST_S2
Benign
0.65
T
M_CAP
Benign
0.0094
T
MetaRNN
Benign
0.19
T
MetaSVM
Benign
-0.94
T
MutationAssessor
Benign
1.9
M
PhyloP100
1.1
PrimateAI
Benign
0.42
T
PROVEAN
Benign
-0.33
N
REVEL
Benign
0.11
Sift
Benign
0.27
T
Sift4G
Benign
0.40
T
Polyphen
0.81
P
Vest4
0.28
MutPred
0.50
Gain of catalytic residue at P97 (P = 0.0447)
MVP
0.82
MPC
0.30
ClinPred
0.28
T
GERP RS
2.3
Varity_R
0.11
gMVP
0.094
Mutation Taster
=99/1
polymorphism

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: rs1321261447; hg19: chr20-1460513; COSMIC: COSV63123956; API