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GeneBe

3-124398702-C-T

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 1P and 8B. PP2BP4_StrongBS2

The NM_001388419.1(KALRN):​c.2177C>T​(p.Ser726Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00275 in 1,614,100 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0028 ( 8 hom. )

Consequence

KALRN
NM_001388419.1 missense

Scores

1
6
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.91
Variant links:
Genes affected
KALRN (HGNC:4814): (kalirin RhoGEF kinase) Huntington's disease (HD), a neurodegenerative disorder characterized by loss of striatal neurons, is caused by an expansion of a polyglutamine tract in the HD protein huntingtin. This gene encodes a protein that interacts with the huntingtin-associated protein 1, which is a huntingtin binding protein that may function in vesicle trafficking. [provided by RefSeq, Apr 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PP2
Missense variant where missense usually causes diseases, KALRN
BP4
Computational evidence support a benign effect (MetaRNN=0.007364899).
BS2
High AC in GnomAd4 at 304 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KALRNNM_001388419.1 linkuse as main transcriptc.2177C>T p.Ser726Leu missense_variant 13/60 ENST00000682506.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KALRNENST00000682506.1 linkuse as main transcriptc.2177C>T p.Ser726Leu missense_variant 13/60 NM_001388419.1 A2

Frequencies

GnomAD3 genomes
AF:
0.00200
AC:
304
AN:
152128
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
Gnomad ASJ
AF:
0.00202
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000415
Gnomad FIN
AF:
0.00641
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.00294
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.00230
AC:
579
AN:
251242
Hom.:
3
AF XY:
0.00230
AC XY:
312
AN XY:
135800
show subpopulations
Gnomad AFR exome
AF:
0.000246
Gnomad AMR exome
AF:
0.000318
Gnomad ASJ exome
AF:
0.00357
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00698
Gnomad NFE exome
AF:
0.00322
Gnomad OTH exome
AF:
0.00147
GnomAD4 exome
AF:
0.00283
AC:
4131
AN:
1461854
Hom.:
8
Cov.:
31
AF XY:
0.00276
AC XY:
2005
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.000239
Gnomad4 AMR exome
AF:
0.000470
Gnomad4 ASJ exome
AF:
0.00295
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.00597
Gnomad4 NFE exome
AF:
0.00322
Gnomad4 OTH exome
AF:
0.00192
GnomAD4 genome
AF:
0.00200
AC:
304
AN:
152246
Hom.:
0
Cov.:
32
AF XY:
0.00208
AC XY:
155
AN XY:
74434
show subpopulations
Gnomad4 AFR
AF:
0.000481
Gnomad4 AMR
AF:
0.000327
Gnomad4 ASJ
AF:
0.00202
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000415
Gnomad4 FIN
AF:
0.00641
Gnomad4 NFE
AF:
0.00294
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.00278
Hom.:
0
Bravo
AF:
0.00151
TwinsUK
AF:
0.00351
AC:
13
ALSPAC
AF:
0.00415
AC:
16
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00198
AC:
17
ExAC
AF:
0.00217
AC:
264
EpiCase
AF:
0.00267
EpiControl
AF:
0.00314

ClinVar

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

Submissions by phenotype

Coronary heart disease, susceptibility to, 5 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingInstitute of Human Genetics, University of Leipzig Medical CenterJan 01, 2019This variant was identified as compound heterozygous. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.087
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.20
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.055
T;.;T
Eigen
Benign
0.060
Eigen_PC
Uncertain
0.28
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;D;D
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.0074
T;T;T
MetaSVM
Benign
-0.95
T
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.66
T
PROVEAN
Uncertain
-3.6
D;D;D
REVEL
Benign
0.14
Sift
Uncertain
0.024
D;D;D
Sift4G
Benign
0.068
T;T;T
Polyphen
0.016
B;B;.
Vest4
0.39
MVP
0.60
MPC
0.57
ClinPred
0.028
T
GERP RS
5.5
gMVP
0.42

Splicing

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: rs145790621; hg19: chr3-124117549; COSMIC: COSV53768906; COSMIC: COSV53768906; API