Variant 10-101843547-C-T details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_173191.3(KCNIP2):c.22G>A(p.Glu8Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000511 in 1,566,022 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 0.000033 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

KCNIP2
NM_173191.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.93

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]

KCNIP2 links:

KCNIP2 (HGNC:):

KCNIP2 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=0.16289788).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
KCNIP2	NM_173191.3 linkuse as main transcript	c.22G>A	p.Glu8Lys	missense_variant	1/10	ENST00000356640.7	NP_775283.1	Q9NS61-1B3KSZ5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
KCNIP2	ENST00000356640.7 linkuse as main transcript	c.22G>A	p.Glu8Lys	missense_variant	1/10	1	NM_173191.3	ENSP00000349055.2		Q9NS61-1

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

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

GnomAD4 exome

AF:

0.00000212

AC:

AN:

1413866

Hom.:

Cov.:

AF XY:

0.00000143

AC XY:

AN XY:

701284

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000503

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:

0.00

Gnomad4 OTH exome

AF:

0.0000172

GnomAD4 genome

AF:

0.0000329

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74328

show subpopulations

Gnomad4 AFR

AF:

0.0000965

Gnomad4 AMR

AF:

0.0000654

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

Bravo

AF:

0.0000302

ExAC

AF:

0.0000168

AC:

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

Jul 26, 2024

The c.22G>A (p.E8K) alteration is located in exon 1 (coding exon 1) of the KCNIP2 gene. This alteration results from a G to A substitution at nucleotide position 22, causing the glutamic acid (E) at amino acid position 8 to be replaced by a lysine (K). 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

Uncertain

0.37

BayesDel_addAF

Uncertain

0.022

BayesDel_noAF

Benign

-0.21

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.16

.;T;.;.;.;.

Eigen

Benign

-0.043

Eigen_PC

Benign

0.12

FATHMM_MKL

Benign

0.45

LIST_S2

Uncertain

0.94

D;D;D;D;D;D

M_CAP

Benign

0.040

MetaRNN

Benign

0.16

T;T;T;T;T;T

MetaSVM

Benign

-0.48

MutationAssessor

Benign

1.1

L;L;.;L;L;L

PrimateAI

Uncertain

0.78

PROVEAN

Benign

-0.56

N;N;N;N;N;N

REVEL

Benign

0.14

Sift

Benign

0.057

T;T;D;D;D;D

Sift4G

Benign

0.33

T;T;T;T;T;T

Polyphen

0.65

P;B;.;B;P;B

Vest4

0.19

MutPred

0.27

Gain of MoRF binding (P = 0.0029);Gain of MoRF binding (P = 0.0029);Gain of MoRF binding (P = 0.0029);Gain of MoRF binding (P = 0.0029);Gain of MoRF binding (P = 0.0029);Gain of MoRF binding (P = 0.0029);

MVP

0.79

MPC

0.93

ClinPred

0.89

GERP RS

4.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.9

Varity_R

0.30

gMVP

0.43

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