8-13085815-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_182643.3(DLC1):​c.4583G>A​(p.Arg1528Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,852 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 Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1528W) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

DLC1
NM_182643.3 missense

Scores

9
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.16
Variant links:
Genes affected
DLC1 (HGNC:2897): (DLC1 Rho GTPase activating protein) This gene encodes a GTPase-activating protein (GAP) that is a member of the rhoGAP family of proteins which play a role in the regulation of small GTP-binding proteins. GAP family proteins participate in signaling pathways that regulate cell processes involved in cytoskeletal changes. This gene functions as a tumor suppressor gene in a number of common cancers, including prostate, lung, colorectal, and breast cancers. Multiple transcript variants due to alternative promoters and alternative splicing have been found for this gene.[provided by RefSeq, Apr 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.23550022).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DLC1NM_182643.3 linkuse as main transcriptc.4583G>A p.Arg1528Lys missense_variant 18/18 ENST00000276297.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DLC1ENST00000276297.9 linkuse as main transcriptc.4583G>A p.Arg1528Lys missense_variant 18/181 NM_182643.3 Q96QB1-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461852
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

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 GeneticsNov 07, 2022The c.4583G>A (p.R1528K) alteration is located in exon 18 (coding exon 17) of the DLC1 gene. This alteration results from a G to A substitution at nucleotide position 4583, causing the arginine (R) at amino acid position 1528 to be replaced by a lysine (K). 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
0.17
BayesDel_addAF
Uncertain
0.012
T
BayesDel_noAF
Benign
-0.22
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.053
T;.;.;.
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.50
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Uncertain
0.89
D;D;D;D
M_CAP
Benign
0.0034
T
MetaRNN
Benign
0.24
T;T;T;T
MetaSVM
Benign
-1.2
T
MutationAssessor
Uncertain
2.0
M;.;.;.
MutationTaster
Benign
1.0
D;D;D;D;D
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-0.49
N;N;N;N
REVEL
Benign
0.16
Sift
Uncertain
0.010
D;D;D;D
Sift4G
Benign
0.17
T;T;T;T
Polyphen
0.64
P;P;.;.
Vest4
0.43
MutPred
0.23
Gain of methylation at R1528 (P = 0.0126);.;.;.;
MVP
0.29
MPC
0.19
ClinPred
0.82
D
GERP RS
5.2
Varity_R
0.38
gMVP
0.62

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr8-12943324; API