rs140205536

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 1P and 9B. PP2BP4_StrongBP6BS2

The NM_139318.5(KCNH5):​c.2365G>T​(p.Gly789Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000582 in 1,614,190 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G789S) has been classified as Benign.

Frequency

Genomes: 𝑓 0.00038 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

KCNH5
NM_139318.5 missense

Scores

1
5
13

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications B:1

Conservation

PhyloP100: 1.52
Variant links:
Genes affected
KCNH5 (HGNC:6254): (potassium voltage-gated channel subfamily H member 5) This gene encodes a member of voltage-gated potassium channels. Members of this family have diverse functions, including regulating neurotransmitter and hormone release, cardiac function, and cell volume. This protein is an outward-rectifying, noninactivating channel. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), KCNH5. . Gene score misZ 2.509 (greater than the threshold 3.09). Trascript score misZ 3.7308 (greater than threshold 3.09). GenCC has associacion of gene with infantile-onset epilepsy.
BP4
Computational evidence support a benign effect (MetaRNN=0.016533941).
BP6
Variant 14-62708110-C-A is Benign according to our data. Variant chr14-62708110-C-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 530610.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1}.
BS2
High AC in GnomAd4 at 58 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KCNH5NM_139318.5 linkuse as main transcriptc.2365G>T p.Gly789Cys missense_variant 11/11 ENST00000322893.12
KCNH5NM_172375.3 linkuse as main transcriptc.*332G>T 3_prime_UTR_variant 10/10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KCNH5ENST00000322893.12 linkuse as main transcriptc.2365G>T p.Gly789Cys missense_variant 11/111 NM_139318.5 P1Q8NCM2-1
KCNH5ENST00000420622.6 linkuse as main transcriptc.*332G>T 3_prime_UTR_variant 10/101 Q8NCM2-2

Frequencies

GnomAD3 genomes
AF:
0.000355
AC:
54
AN:
152182
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00123
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
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:
0.00
GnomAD3 exomes
AF:
0.0000915
AC:
23
AN:
251476
Hom.:
0
AF XY:
0.0000441
AC XY:
6
AN XY:
135912
show subpopulations
Gnomad AFR exome
AF:
0.00129
Gnomad AMR exome
AF:
0.0000578
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000246
AC:
36
AN:
1461890
Hom.:
0
Cov.:
46
AF XY:
0.0000193
AC XY:
14
AN XY:
727246
show subpopulations
Gnomad4 AFR exome
AF:
0.000806
Gnomad4 AMR exome
AF:
0.000112
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:
0.0000331
GnomAD4 genome
AF:
0.000381
AC:
58
AN:
152300
Hom.:
0
Cov.:
33
AF XY:
0.000363
AC XY:
27
AN XY:
74468
show subpopulations
Gnomad4 AFR
AF:
0.00132
Gnomad4 AMR
AF:
0.000196
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:
0.00
Alfa
AF:
0.0000391
Hom.:
0
Bravo
AF:
0.000351
ESP6500AA
AF:
0.00182
AC:
8
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000132
AC:
16

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Early infantile epileptic encephalopathy with suppression bursts Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeJan 25, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.069
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Uncertain
-0.050
CADD
Benign
12
DANN
Uncertain
0.98
DEOGEN2
Benign
0.23
T
Eigen
Benign
-0.12
Eigen_PC
Benign
-0.093
FATHMM_MKL
Benign
0.50
D
LIST_S2
Benign
0.72
T
M_CAP
Uncertain
0.20
D
MetaRNN
Benign
0.017
T
MetaSVM
Pathogenic
0.81
D
MutationAssessor
Benign
0.34
N
MutationTaster
Benign
0.98
D;D
PrimateAI
Benign
0.40
T
PROVEAN
Benign
-2.3
N
REVEL
Uncertain
0.42
Sift
Uncertain
0.015
D
Sift4G
Benign
0.078
T
Polyphen
0.74
P
Vest4
0.20
MVP
0.77
MPC
0.23
ClinPred
0.059
T
GERP RS
3.7
Varity_R
0.17
gMVP
0.37

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.

Other links and lift over

dbSNP: rs140205536; hg19: chr14-63174828; API