dbSNP rs368273039: KNDC1:p.Ala73Thr (chr10-133167495-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_152643.8(KNDC1):c.217G>A(p.Ala73Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000255 in 1,605,014 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000026 ( 0 hom. )

Consequence

KNDC1
NM_152643.8 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.51

Variant links:

Genes affected

KNDC1 (HGNC:29374): (kinase non-catalytic C-lobe domain containing 1) The protein encoded by this gene is a Ras guanine nucleotide exchange factor that appears to negatively regulate dendritic growth in the brain. Knockdown of this gene in senescent umbilical vein endothelial cells partially reversed the senescence, showing that this gene could potentially be targeted by anti-aging therapies. [provided by RefSeq, Dec 2016]

KNDC1 links:

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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=0.22892246).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KNDC1	NM_152643.8 link	c.217G>A	p.Ala73Thr	missense_variant	Exon 2 of 30	ENST00000304613.8	NP_689856.6	Q76NI1-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KNDC1	ENST00000304613.8 link	c.217G>A	p.Ala73Thr	missense_variant	Exon 2 of 30	1	NM_152643.8	ENSP00000304437.3		Q76NI1-1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152226

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.0000173

AC:

AN:

231546

Hom.:

AF XY:

0.0000239

AC XY:

AN XY:

125694

show subpopulations

Gnomad AFR exome

AF:

0.0000696

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000115

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000961

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000262

AC:

AN:

1452788

Hom.:

Cov.:

AF XY:

0.0000249

AC XY:

AN XY:

721856

show subpopulations

Gnomad4 AFR exome

AF:

0.0000599

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000508

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000289

Gnomad4 OTH exome

AF:

0.0000167

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152226

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74364

show subpopulations

Gnomad4 AFR

AF:

0.0000241

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

Bravo

AF:

0.0000340

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000413

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.26

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Benign

0.11

T;.

Eigen

Benign

0.14

Eigen_PC

Benign

0.070

FATHMM_MKL

Uncertain

0.78

LIST_S2

Benign

0.67

T;T

M_CAP

Benign

0.050

MetaRNN

Benign

0.23

T;T

MetaSVM

Uncertain

-0.0054

PrimateAI

Uncertain

0.61

PROVEAN

Benign

-2.3

N;D

REVEL

Benign

0.11

Sift

Uncertain

0.0090

D;D

Sift4G

Uncertain

0.026

D;D

Polyphen

0.96

D;D

Vest4

0.53

MVP

0.48

MPC

0.60

ClinPred

0.30

GERP RS

3.0

Varity_R

0.13

gMVP

0.46

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

LitVar

Other links and lift over