chr17-29574869-C-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_014030.4(GIT1):​c.2119G>A​(p.Ala707Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000767 in 1,435,014 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000077 ( 0 hom. )

Consequence

GIT1
NM_014030.4 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0880
Variant links:
Genes affected
GIT1 (HGNC:4272): (GIT ArfGAP 1) Enables gamma-tubulin binding activity. Involved in positive regulation of microtubule nucleation and regulation of cytokinesis. Located in several cellular components, including focal adhesion; microtubule cytoskeleton; and mitochondrion. Implicated in attention deficit hyperactivity disorder. Biomarker of Huntington's disease. [provided by Alliance of Genome Resources, Apr 2022]
ABHD15-AS1 (HGNC:49685): (ABHD15 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.11081675).
BS2
High AC in GnomAdExome4 at 11 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GIT1NM_014030.4 linkuse as main transcriptc.2119G>A p.Ala707Thr missense_variant 20/20 ENST00000225394.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GIT1ENST00000225394.8 linkuse as main transcriptc.2119G>A p.Ala707Thr missense_variant 20/201 NM_014030.4 A1Q9Y2X7-1
ABHD15-AS1ENST00000581474.1 linkuse as main transcriptn.153+14170C>T intron_variant, non_coding_transcript_variant 5

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000767
AC:
11
AN:
1435014
Hom.:
0
Cov.:
32
AF XY:
0.00000842
AC XY:
6
AN XY:
712548
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000259
Gnomad4 SAS exome
AF:
0.0000119
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000817
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378
ExAC
AF:
0.00000835
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 26, 2023The c.2146G>A (p.A716T) alteration is located in exon 21 (coding exon 21) of the GIT1 gene. This alteration results from a G to A substitution at nucleotide position 2146, causing the alanine (A) at amino acid position 716 to be replaced by a threonine (T). 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
Benign
0.10
BayesDel_addAF
Benign
-0.044
T
BayesDel_noAF
Benign
-0.30
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.15
T;.;.
Eigen
Benign
-0.29
Eigen_PC
Benign
-0.18
FATHMM_MKL
Benign
0.52
D
LIST_S2
Uncertain
0.87
D;D;D
M_CAP
Benign
0.024
T
MetaRNN
Benign
0.11
T;T;T
MetaSVM
Benign
-0.74
T
MutationAssessor
Benign
1.0
L;.;.
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.66
T
PROVEAN
Benign
-1.2
N;N;.
REVEL
Benign
0.13
Sift
Benign
0.23
T;T;.
Sift4G
Benign
0.49
T;T;T
Polyphen
0.087
B;.;.
Vest4
0.12
MutPred
0.19
Gain of relative solvent accessibility (P = 0.09);.;.;
MVP
0.46
MPC
1.1
ClinPred
0.34
T
GERP RS
4.7
Varity_R
0.11
gMVP
0.24

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs758906145; hg19: chr17-27901887; COSMIC: COSV56403022; COSMIC: COSV56403022; API