chr2-38943949-A-G

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001145451.5(ARHGEF33):ā€‹c.839A>Gā€‹(p.Tyr280Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000451 in 1,551,748 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000043 ( 0 hom. )

Consequence

ARHGEF33
NM_001145451.5 missense

Scores

10
6
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.55
Variant links:
Genes affected
ARHGEF33 (HGNC:37252): (Rho guanine nucleotide exchange factor 33) Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in regulation of catalytic activity. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.952

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ARHGEF33NM_001145451.5 linkuse as main transcriptc.839A>G p.Tyr280Cys missense_variant 10/18 ENST00000409978.7 NP_001138923.2
LOC105374471XR_939980.3 linkuse as main transcriptn.111-7497T>C intron_variant, non_coding_transcript_variant
ARHGEF33NM_001367623.3 linkuse as main transcriptc.839A>G p.Tyr280Cys missense_variant 10/19 NP_001354552.1
LOC105374471XR_001739417.1 linkuse as main transcriptn.113-6513T>C intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ARHGEF33ENST00000409978.7 linkuse as main transcriptc.839A>G p.Tyr280Cys missense_variant 10/185 NM_001145451.5 ENSP00000387020 P1A8MVX0-2
ARHGEF33ENST00000698009.1 linkuse as main transcriptc.983A>G p.Tyr328Cys missense_variant 11/19 ENSP00000513494
ARHGEF33ENST00000398800.8 linkuse as main transcriptc.839A>G p.Tyr280Cys missense_variant 8/165 ENSP00000381780 P1A8MVX0-2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152226
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000127
AC:
2
AN:
157582
Hom.:
0
AF XY:
0.0000120
AC XY:
1
AN XY:
83206
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000811
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000429
AC:
6
AN:
1399522
Hom.:
0
Cov.:
31
AF XY:
0.00000290
AC XY:
2
AN XY:
690256
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000168
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152226
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74360
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:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

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 GeneticsApr 25, 2022The c.839A>G (p.Y280C) alteration is located in exon 8 (coding exon 8) of the ARHGEF33 gene. This alteration results from a A to G substitution at nucleotide position 839, causing the tyrosine (Y) at amino acid position 280 to be replaced by a cysteine (C). 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
BayesDel_addAF
Pathogenic
0.27
D
BayesDel_noAF
Pathogenic
0.34
CADD
Pathogenic
27
DANN
Uncertain
1.0
Eigen
Pathogenic
0.76
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.93
.;D
M_CAP
Uncertain
0.24
D
MetaRNN
Pathogenic
0.95
D;D
MetaSVM
Uncertain
0.63
D
MutationAssessor
Uncertain
2.5
M;M
MutationTaster
Benign
0.99
D;D;D
PrimateAI
Pathogenic
0.84
D
PROVEAN
Pathogenic
-8.4
D;D
REVEL
Pathogenic
0.82
Sift
Pathogenic
0.0
D;D
Sift4G
Pathogenic
0.0
D;D
Vest4
0.96
MutPred
0.84
Gain of methylation at K279 (P = 0.0143);Gain of methylation at K279 (P = 0.0143);
MVP
0.71
ClinPred
1.0
D
GERP RS
5.5
gMVP
0.87

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs912862244; hg19: chr2-39171090; API