chr10-77637558-T-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP2BP4_ModerateBP6_Moderate

The NM_001161352.2(KCNMA1):​c.85A>T​(p.Ile29Phe) variant causes a missense change. The variant allele was found at a frequency of 0.0000298 in 1,542,920 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000032 ( 1 hom. )

Consequence

KCNMA1
NM_001161352.2 missense

Scores

3
4
12

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 4.79
Variant links:
Genes affected
KCNMA1 (HGNC:6284): (potassium calcium-activated channel subfamily M alpha 1) This gene encodes the alpha subunit of calcium-activated BK channel. The encoded protein is involved in several physiological processes including smooth muscle contraction, neurotransmitter release and neuronal excitability. Mutations in this gene are associated with a spectrum of neurological disorders including Paroxysmal Nonkinesigenic Dyskinesia 3, Idiopathic Generalized Epilepsy 16 and Liang-Wang syndrome. [provided by RefSeq, Aug 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), KCNMA1. . Gene score misZ 5.0622 (greater than the threshold 3.09). Trascript score misZ 6.5162 (greater than threshold 3.09). GenCC has associacion of gene with cerebellar atrophy, developmental delay, and seizures, generalized epilepsy-paroxysmal dyskinesia syndrome, Liang-Wang syndrome.
BP4
Computational evidence support a benign effect (MetaRNN=0.2519365).
BP6
Variant 10-77637558-T-A is Benign according to our data. Variant chr10-77637558-T-A is described in ClinVar as [Likely_benign]. Clinvar id is 2905605.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KCNMA1NM_001161352.2 linkuse as main transcriptc.85A>T p.Ile29Phe missense_variant 1/28 ENST00000286628.14 NP_001154824.1 Q12791-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KCNMA1ENST00000286628.14 linkuse as main transcriptc.85A>T p.Ile29Phe missense_variant 1/281 NM_001161352.2 ENSP00000286628.8 Q12791-1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151828
Hom.:
0
Cov.:
32
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:
0.000415
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000879
AC:
13
AN:
147822
Hom.:
1
AF XY:
0.0000885
AC XY:
7
AN XY:
79124
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:
0.000571
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000316
AC:
44
AN:
1390974
Hom.:
1
Cov.:
30
AF XY:
0.0000422
AC XY:
29
AN XY:
686688
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:
0.000529
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000173
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151946
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74272
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:
0.000415
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000777
AC:
8
Asia WGS
AF:
0.000578
AC:
2
AN:
3476

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Generalized epilepsy-paroxysmal dyskinesia syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJun 29, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.14
T
BayesDel_noAF
Benign
-0.090
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Benign
0.0060
.;.;.;.;.;.;.;.;.;.;.;T;.;T;.;.;.;.;.;.;.;.;.;.;T;.;.;.;.;.;.;.;.;.;.;.;.
Eigen
Benign
0.086
Eigen_PC
Benign
0.13
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Uncertain
0.96
D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;.;D;D;D;D;D;D;D;D;D;D;D;D;D;D
M_CAP
Pathogenic
0.77
D
MetaRNN
Benign
0.25
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
0.0
.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;N;N;N;.;N;.;.;N;N;N;.;.;N;.;.
PrimateAI
Pathogenic
0.95
D
PROVEAN
Benign
-0.24
.;.;.;.;.;N;.;.;.;.;.;.;.;N;.;.;.;.;.;.;.;.;.;N;.;.;.;.;.;.;.;.;.;.;.;.;.
REVEL
Uncertain
0.44
Sift
Pathogenic
0.0
.;.;.;.;.;D;.;.;.;.;.;.;.;D;.;.;.;.;.;.;.;.;.;D;.;.;.;.;.;.;.;.;.;.;.;.;.
Sift4G
Benign
0.38
.;.;.;.;.;T;.;.;.;.;.;T;.;T;.;.;.;.;.;.;.;.;.;T;T;.;.;.;.;T;.;.;.;.;T;T;T
Polyphen
0.072, 0.98, 0.12, 0.85, 0.26, 0.99
.;.;.;.;.;B;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;D;.;B;P;.;.;B;.;B;.;.;.;.;D;.;.
Vest4
0.61, 0.72, 0.65, 0.53, 0.69, 0.49, 0.72, 0.78, 0.76
MutPred
0.21
Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);Loss of catalytic residue at L34 (P = 0.0558);
MVP
0.72
ClinPred
0.26
T
GERP RS
2.4
Varity_R
0.077
gMVP
0.57

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: rs369845234; hg19: chr10-79397316; API