rs747567218

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 2P and 11B. PM2BP4_StrongBP6_ModerateBP7BS1

The ENST00000371917.5(ARFGEF2):​c.1203G>A​(p.Leu401=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000539 in 1,613,994 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000058 ( 0 hom. )

Consequence

ARFGEF2
ENST00000371917.5 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: 1.04
Variant links:
Genes affected
ARFGEF2 (HGNC:15853): (ADP ribosylation factor guanine nucleotide exchange factor 2) ADP-ribosylation factors (ARFs) play an important role in intracellular vesicular trafficking. The protein encoded by this gene is involved in the activation of ARFs by accelerating replacement of bound GDP with GTP and is involved in Golgi transport. It contains a Sec7 domain, which may be responsible for its guanine-nucleotide exchange activity and also brefeldin A inhibition. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.52).
BP6
Variant 20-48971132-G-A is Benign according to our data. Variant chr20-48971132-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 434275.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=1.04 with no splicing effect.
BS1
Variant frequency is greater than expected in population nfe. gnomad4_exome allele frequency = 0.0000581 (85/1461860) while in subpopulation NFE AF= 0.0000728 (81/1111984). AF 95% confidence interval is 0.0000597. There are 0 homozygotes in gnomad4_exome. There are 41 alleles in male gnomad4_exome subpopulation. Median coverage is 32. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ARFGEF2NM_006420.3 linkuse as main transcriptc.1203G>A p.Leu401= synonymous_variant 10/39 ENST00000371917.5 NP_006411.2
ARFGEF2NM_001410846.1 linkuse as main transcriptc.1200G>A p.Leu400= synonymous_variant 10/39 NP_001397775.1
ARFGEF2XM_047439832.1 linkuse as main transcriptc.639G>A p.Leu213= synonymous_variant 8/37 XP_047295788.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ARFGEF2ENST00000371917.5 linkuse as main transcriptc.1203G>A p.Leu401= synonymous_variant 10/391 NM_006420.3 ENSP00000360985 P4

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152134
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251488
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135922
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
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:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000581
AC:
85
AN:
1461860
Hom.:
0
Cov.:
32
AF XY:
0.0000564
AC XY:
41
AN XY:
727238
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
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:
0.0000728
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152134
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74294
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000113
Hom.:
0
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoAug 09, 2016- -
ARFGEF2-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesNov 11, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.52
CADD
Benign
5.0
DANN
Benign
0.81
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs747567218; hg19: chr20-47587669; API