8-8318657-C-A

Variant names:

• chr8-8318657-C-A
• rs1161479308
• NM_001080826.3:c.3718G>T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001080826.3(PRAG1):​c.3718G>T​(p.Ala1240Ser) 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: 31)
• Consequence: PRAG1 NM_001080826.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.82

Genes affected

PRAG1 (HGNC:25438): (PEAK1 related, kinase-activating pseudokinase 1) This gene encodes an enzyme that belongs to the tyrosine protein kinase family. A similar protein in rat binds to Rho family GTPase 2 (Rnd2) and regulates neurite outgrowth via activation of Ras homolog gene family, member A (RhoA). [provided by RefSeq, Mar 2014]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRAG1	NM_001080826.3	c.3718G>T	p.Ala1240Ser	missense_variant	Exon 6 of 6	ENST00000615670.5	NP_001074295.2
PRAG1	NM_001369759.1	c.3718G>T	p.Ala1240Ser	missense_variant	Exon 6 of 6		NP_001356688.1
PRAG1	NR_163138.1	n.4015G>T		non_coding_transcript_exon_variant	Exon 7 of 7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRAG1	ENST00000615670.5	c.3718G>T	p.Ala1240Ser	missense_variant	Exon 6 of 6	5	NM_001080826.3	ENSP00000481109.1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 29

GnomAD4 genome Cov.: 31

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Jan 26, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.3706G>T (p.A1236S) alteration is located in exon 5 (coding exon 5) of the SGK223 gene. This alteration results from a G to T substitution at nucleotide position 3706, causing the alanine (A) at amino acid position 1236 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	Pathogenic	0.57
BayesDel_addAF	Pathogenic	0.21	D
BayesDel_noAF	Uncertain	0.060
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Benign	0.039	T;T
Eigen	Pathogenic	0.80
Eigen_PC	Pathogenic	0.77
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Pathogenic	0.98	D;.
M_CAP	Uncertain	0.13	D
MetaRNN	Uncertain	0.62	D;D
MetaSVM	Uncertain	0.52	D
PhyloP100		7.8
PrimateAI	Uncertain	0.57	T
Sift4G	Pathogenic	0.0	D;D
Vest4		0.74
MVP		0.27
ClinPred		0.99	D
GERP RS		5.0
Varity_R		0.78
gMVP		0.70
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

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Other links and lift over

dbSNP: rs1161479308; hg19: chr8-8176179;