rs773873939

Variant names:

• chr4-105645276-C-A
• rs773873939
• NM_001242729.2:c.763C>A

Your query was ambiguous. Multiple possible variants found:

• chr4-105645276-C-A
• chr4-105645276-C-T

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_001242729.2(ARHGEF38):​c.763C>A​(p.Arg255Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: ARHGEF38 NM_001242729.2 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.65
• Publications: 0 publications found

Genes affected

ARHGEF38 (HGNC:25968): (Rho guanine nucleotide exchange factor 38) Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in regulation of catalytic activity. Predicted to be located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ARHGEF38 Gene-Disease associations (from GenCC):

• autism spectrum disorder

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.27).
• BP7: Synonymous conserved (PhyloP=1.65 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001242729.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARHGEF38	NM_001242729.2	MANE Select	c.763C>A	p.Arg255Arg	synonymous	Exon 6 of 14	NP_001229658.1	Q9NXL2-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARHGEF38	ENST00000420470.3	TSL:5 MANE Select	c.763C>A	p.Arg255Arg	synonymous	Exon 6 of 14	ENSP00000416125.2	Q9NXL2-2
	ARHGEF38	ENST00000506828.1	TSL:5	n.470C>A		non_coding_transcript_exon	Exon 4 of 4
	ARHGEF38	ENST00000508036.2	TSL:5	n.463C>A		non_coding_transcript_exon	Exon 3 of 10

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.27
CADD	Benign	14
DANN	Benign	0.63
PhyloP100		1.6

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.18		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs773873939; hg19: chr4-106566433;