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chr10-101829919-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The ENST00000461105.5(KCNIP2):ā€‹c.193G>Cā€‹(p.Gly65Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000713 in 1,542,596 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 (ā˜…).

Frequency

Genomes: š‘“ 0.000026 ( 0 hom., cov: 28)
Exomes š‘“: 0.0000050 ( 0 hom. )

Consequence

KCNIP2
ENST00000461105.5 missense

Scores

1
3
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.693
Variant links:
Genes affected
KCNIP2 (HGNC:15522): (potassium voltage-gated channel interacting protein 2) This gene encodes a member of the family of voltage-gated potassium (Kv) channel-interacting proteins (KCNIPs), which belongs to the recoverin branch of the EF-hand superfamily. Members of the KCNIP family are small calcium binding proteins. They all have EF-hand-like domains, and differ from each other in the N-terminus. They are integral subunit components of native Kv4 channel complexes. They may regulate A-type currents, and hence neuronal excitability, in response to changes in intracellular calcium. Multiple alternatively spliced transcript variants encoding distinct isoforms have been identified from this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.37182173).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KCNIP2NM_173191.3 linkuse as main transcriptc.170-22G>C intron_variant ENST00000356640.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KCNIP2ENST00000356640.7 linkuse as main transcriptc.170-22G>C intron_variant 1 NM_173191.3 Q9NS61-1

Frequencies

GnomAD3 genomes
AF:
0.0000264
AC:
4
AN:
151310
Hom.:
0
Cov.:
28
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000590
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000650
AC:
1
AN:
153874
Hom.:
0
AF XY:
0.0000122
AC XY:
1
AN XY:
81730
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:
0.0000162
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000503
AC:
7
AN:
1391286
Hom.:
0
Cov.:
32
AF XY:
0.00000582
AC XY:
4
AN XY:
686906
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:
0.00000650
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000264
AC:
4
AN:
151310
Hom.:
0
Cov.:
28
AF XY:
0.0000271
AC XY:
2
AN XY:
73854
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000590
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000302

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 GeneticsMar 08, 2024The c.193G>C (p.G65R) alteration is located in exon 3 (coding exon 3) of the KCNIP2 gene. This alteration results from a G to C substitution at nucleotide position 193, causing the glycine (G) at amino acid position 65 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
BayesDel_addAF
Benign
-0.10
T
BayesDel_noAF
Benign
-0.38
CADD
Benign
17
DANN
Uncertain
1.0
Eigen
Uncertain
0.21
Eigen_PC
Benign
0.11
FATHMM_MKL
Benign
0.26
N
LIST_S2
Benign
0.59
T
M_CAP
Pathogenic
0.30
D
MetaRNN
Benign
0.37
T
MetaSVM
Benign
-0.55
T
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D;N
PrimateAI
Uncertain
0.78
T
PROVEAN
Benign
0.20
N
REVEL
Benign
0.17
Sift
Benign
0.16
T
Sift4G
Benign
0.13
T
Polyphen
1.0
D
Vest4
0.34
MutPred
0.36
Gain of solvent accessibility (P = 0.0584);
MVP
0.67
MPC
1.4
ClinPred
0.67
D
GERP RS
1.3
gMVP
0.33

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
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: rs1219942084; hg19: chr10-103589676; API