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GeneBe

2-232892941-C-T

Variant summary

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

The NM_019850.3(NGEF):c.1099G>A(p.Val367Ile) variant causes a missense change. The variant allele was found at a frequency of 0.00000992 in 1,613,488 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000096 ( 0 hom. )

Consequence

NGEF
NM_019850.3 missense

Scores

1
10
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.73
Variant links:
Genes affected
NGEF (HGNC:7807): (neuronal guanine nucleotide exchange factor) Enables guanyl-nucleotide exchange factor activity. Predicted to be involved in several processes, including activation of GTPase activity; ephrin receptor signaling pathway; and negative regulation of dendritic spine morphogenesis. Predicted to be located in cytosol. Predicted to be active in glutamatergic synapse. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

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
NGEFNM_019850.3 linkuse as main transcriptc.1099G>A p.Val367Ile missense_variant 7/15 ENST00000264051.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NGEFENST00000264051.8 linkuse as main transcriptc.1099G>A p.Val367Ile missense_variant 7/151 NM_019850.3 Q8N5V2-1
NGEFENST00000373552.8 linkuse as main transcriptc.823G>A p.Val275Ile missense_variant 5/132 P1Q8N5V2-3
NGEFENST00000416114.3 linkuse as main transcriptc.268G>A p.Val90Ile missense_variant 3/63
NGEFENST00000420650.2 linkuse as main transcriptn.476G>A non_coding_transcript_exon_variant 3/35

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152194
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000482
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
250896
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135786
show subpopulations
Gnomad AFR exome
AF:
0.0000617
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000177
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000958
AC:
14
AN:
1461294
Hom.:
0
Cov.:
30
AF XY:
0.00000825
AC XY:
6
AN XY:
726902
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152194
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74358
show subpopulations
Gnomad4 AFR
AF:
0.0000482
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:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.0000151
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000247
AC:
3
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

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 GeneticsSep 01, 2021The c.1099G>A (p.V367I) alteration is located in exon 7 (coding exon 6) of the NGEF gene. This alteration results from a G to A substitution at nucleotide position 1099, causing the valine (V) at amino acid position 367 to be replaced by an isoleucine (I). 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
Uncertain
0.35
BayesDel_addAF
Benign
-0.039
T
BayesDel_noAF
Benign
-0.11
Cadd
Pathogenic
28
Dann
Uncertain
1.0
DEOGEN2
Benign
0.13
T;.;T
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.88
D;D;D
M_CAP
Benign
0.044
D
MetaRNN
Uncertain
0.46
T;T;T
MetaSVM
Benign
-0.36
T
MutationAssessor
Uncertain
2.1
M;.;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
-0.87
N;N;N
REVEL
Benign
0.24
Sift
Uncertain
0.010
D;D;D
Sift4G
Uncertain
0.026
D;T;.
Polyphen
1.0
D;.;.
Vest4
0.43
MVP
0.58
MPC
1.5
ClinPred
0.81
D
GERP RS
5.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.35
gMVP
0.29

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs368820247; hg19: chr2-233757651; COSMIC: COSV50918256; COSMIC: COSV50918256; API