1-27418350-C-T

Position:

• chr1-27418350-C-T

Variant summary

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

The NM_006990.5(WASF2):​c.338G>A​(p.Arg113Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: WASF2 NM_006990.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.49

Genes affected

WASF2 (HGNC:12733): (WASP family member 2) This gene encodes a member of the Wiskott-Aldrich syndrome protein family. The gene product is a protein that forms a multiprotein complex that links receptor kinases and actin. Binding to actin occurs through a C-terminal verprolin homology domain in all family members. The multiprotein complex serves to tranduce signals that involve changes in cell shape, motility or function. The published map location (PMID:10381382) has been changed based on recent genomic sequence comparisons, which indicate that the expressed gene is located on chromosome 1, and a pseudogene may be located on chromosome X. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2011]

ACMG classification

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
WASF2	NM_006990.5	c.338G>A	p.Arg113Lys	missense_variant	4/9	ENST00000618852.5
WASF2	NM_001201404.3	c.338G>A	p.Arg113Lys	missense_variant	4/8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
WASF2	ENST00000618852.5	c.338G>A	p.Arg113Lys	missense_variant	4/9	1	NM_006990.5	P1
WASF2	ENST00000536657.1	c.338G>A	p.Arg113Lys	missense_variant	4/8	2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 16, 2022

The c.338G>A (p.R113K) alteration is located in exon 4 (coding exon 3) of the WASF2 gene. This alteration results from a G to A substitution at nucleotide position 338, causing the arginine (R) at amino acid position 113 to be replaced by a lysine (K). 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	0.28
BayesDel_addAF	Uncertain	0.082	D
BayesDel_noAF	Benign	-0.12
CADD	Benign	23
DANN	Benign	0.92
DEOGEN2	Benign	0.26	T;.
Eigen	Uncertain	0.59
Eigen_PC	Uncertain	0.63
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Benign	0.74	T;T
M_CAP	Benign	0.019	T
MetaRNN	Uncertain	0.59	D;D
MetaSVM	Benign	-0.96	T
MutationAssessor	Uncertain	2.0	M;M
MutationTaster	Benign	1.0	D;D
PrimateAI	Uncertain	0.68	T
PROVEAN	Benign	-1.4	.;N
REVEL	Benign	0.22
Sift	Benign	0.24	.;T
Sift4G	Benign	0.39	T;T
Polyphen		0.99	D;.
Vest4		0.81
MutPred		0.31		Gain of ubiquitination at R113 (P = 0.0146);Gain of ubiquitination at R113 (P = 0.0146);
MVP		0.19
ClinPred		0.90	D
GERP RS		5.4
Varity_R		0.28
gMVP		0.52

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr1-27744851;