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GeneBe

17-48184775-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_003726.4(SKAP1):c.515C>T(p.Ser172Phe) variant causes a missense change. The variant allele was found at a frequency of 0.000039 in 1,614,056 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

SKAP1
NM_003726.4 missense

Scores

3
9
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.29
Variant links:
Genes affected
SKAP1 (HGNC:15605): (src kinase associated phosphoprotein 1) This gene encodes a T cell adaptor protein, a class of intracellular molecules with modular domains capable of recruiting additional proteins but that exhibit no intrinsic enzymatic activity. The encoded protein contains a unique N-terminal region followed by a PH domain and C-terminal SH3 domain. Along with the adhesion and degranulation-promoting adaptor protein, the encoded protein plays a critical role in inside-out signaling by coupling T-cell antigen receptor stimulation to the activation of integrins. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SKAP1NM_003726.4 linkuse as main transcriptc.515C>T p.Ser172Phe missense_variant 7/13 ENST00000336915.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SKAP1ENST00000336915.11 linkuse as main transcriptc.515C>T p.Ser172Phe missense_variant 7/131 NM_003726.4 P1Q86WV1-1

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152118
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000208
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000118
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000278
AC:
7
AN:
251350
Hom.:
0
AF XY:
0.0000368
AC XY:
5
AN XY:
135840
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000356
AC:
52
AN:
1461820
Hom.:
0
Cov.:
31
AF XY:
0.0000399
AC XY:
29
AN XY:
727226
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000369
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000723
AC:
11
AN:
152236
Hom.:
0
Cov.:
32
AF XY:
0.000107
AC XY:
8
AN XY:
74430
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000208
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000118
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.0000340
ExAC
AF:
0.0000330
AC:
4

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 GeneticsMay 11, 2022The c.515C>T (p.S172F) alteration is located in exon 7 (coding exon 7) of the SKAP1 gene. This alteration results from a C to T substitution at nucleotide position 515, causing the serine (S) at amino acid position 172 to be replaced by a phenylalanine (F). 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
Benign
0.33
BayesDel_addAF
Benign
-0.052
T
BayesDel_noAF
Benign
-0.18
Cadd
Pathogenic
27
Dann
Benign
0.96
DEOGEN2
Pathogenic
0.82
D;D;D
Eigen
Uncertain
0.46
Eigen_PC
Uncertain
0.45
FATHMM_MKL
Uncertain
0.96
D
M_CAP
Uncertain
0.087
D
MetaRNN
Uncertain
0.48
T;T;T
MetaSVM
Uncertain
-0.15
T
MutationAssessor
Pathogenic
3.0
M;M;.
MutationTaster
Benign
1.0
D;D
PrimateAI
Benign
0.45
T
PROVEAN
Pathogenic
-4.5
D;.;.
REVEL
Uncertain
0.38
Sift
Uncertain
0.0080
D;.;.
Sift4G
Uncertain
0.0030
D;D;.
Polyphen
1.0
D;D;.
Vest4
0.56
MutPred
0.41
Loss of phosphorylation at S172 (P = 0.0054);Loss of phosphorylation at S172 (P = 0.0054);.;
MVP
0.82
MPC
0.71
ClinPred
0.71
D
GERP RS
4.4
Varity_R
0.77
gMVP
0.45

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs755689431; hg19: chr17-46262137; COSMIC: COSV61144638; COSMIC: COSV61144638; API