13-70107455-G-C

Position:

chr13-70107455-G-C

Variant summary

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

The NM_020866.3(KLHL1):c.245C>G(p.Pro82Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000062 in 1,613,962 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

KLHL1
NM_020866.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.72

Variant links:

Genes affected

KLHL1 (HGNC:6352): (kelch like family member 1) The KLHL1 protein belongs to a family of actin-organizing proteins related to Drosophila Kelch (Nemes et al., 2000 [PubMed 10888605]).[supplied by OMIM, Feb 2010]

KLHL1 links:

ATXN8OS (HGNC:10561): (ATXN8 opposite strand lncRNA) This gene is an antisense transcript to the KLHL1 gene (homolog to the Drosophila KELCH gene); it does not itself appear to be protein coding. A TAC/TGC trinucleotide repeat expansion that is incorporated into this gene transcript, but not the KLHL1 transcript, causes spinocerebellar ataxia type 8. Presumably the expansion interferes with normal antisense function of this transcript. [provided by RefSeq, Oct 2008]

ATXN8OS links:

Genome browser will be placed here

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=0.12471181).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
KLHL1	NM_020866.3 linkuse as main transcript	c.245C>G	p.Pro82Arg	missense_variant	1/11	ENST00000377844.9	NP_065917.1
ATXN8OS	NR_002717.2 linkuse as main transcript	n.243G>C		non_coding_transcript_exon_variant	1/5
KLHL1	NM_001286725.2 linkuse as main transcript	c.245C>G	p.Pro82Arg	missense_variant	1/10		NP_001273654.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris
KLHL1	ENST00000377844.9 linkuse as main transcript	c.245C>G	p.Pro82Arg	missense_variant	1/11	1	NM_020866.3	ENSP00000367075	P1
KLHL1	ENST00000545028.2 linkuse as main transcript	c.245C>G	p.Pro82Arg	missense_variant	1/10	2		ENSP00000439602
ATXN8OS	ENST00000414504.6 linkuse as main transcript	n.243G>C		non_coding_transcript_exon_variant	1/5	5
ATXN8OS	ENST00000665905.1 linkuse as main transcript	n.127G>C		non_coding_transcript_exon_variant	1/4

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152148

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

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:

0.000478

GnomAD3 exomes

AF:

0.00000401

AC:

AN:

249380

Hom.:

AF XY:

0.00000741

AC XY:

AN XY:

134976

show subpopulations

Gnomad AFR exome

AF:

0.00

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:

0.00000895

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461814

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727220

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000224

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:

0.00000180

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000394

AC:

AN:

152148

Hom.:

Cov.:

AF XY:

0.0000404

AC XY:

AN XY:

74316

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.000262

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:

0.000478

Bravo

AF:

0.0000793

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 submitter

clinical testing

Ambry Genetics

Dec 21, 2023

The c.245C>G (p.P82R) alteration is located in exon 1 (coding exon 1) of the KLHL1 gene. This alteration results from a C to G substitution at nucleotide position 245, causing the proline (P) at amino acid position 82 to be replaced by an arginine (R). 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

0.14

BayesDel_addAF

Benign

-0.099

BayesDel_noAF

Benign

-0.38

CADD

Benign

DANN

Benign

0.94

DEOGEN2

Benign

0.098

T;.

Eigen

Benign

-0.41

Eigen_PC

Benign

-0.34

FATHMM_MKL

Benign

0.47

LIST_S2

Benign

0.68

T;T

M_CAP

Benign

0.011

MetaRNN

Benign

0.12

T;T

MetaSVM

Benign

-0.98

MutationAssessor

Benign

0.34

N;.

MutationTaster

Benign

1.0

D;N

PrimateAI

Benign

0.33

PROVEAN

Benign

-0.77

N;.

REVEL

Benign

0.11

Sift

Uncertain

0.013

D;.

Sift4G

Benign

0.63

T;T

Polyphen

0.47

P;.

Vest4

0.20

MutPred

0.31

Gain of catalytic residue at P82 (P = 0.0017);Gain of catalytic residue at P82 (P = 0.0017);

MVP

0.77

MPC

0.071

ClinPred

0.14

GERP RS

4.5

Varity_R

0.13

gMVP

0.36

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

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over