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GeneBe

rs747554139

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001323289.2(CDKL5):c.2215C>G(p.Leu739Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000904 in 110,665 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. L739L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000090 ( 0 hom., 1 hem., cov: 22)
Exomes 𝑓: 9.2e-7 ( 0 hom. 1 hem. )
Failed GnomAD Quality Control

Consequence

CDKL5
NM_001323289.2 missense

Scores

2
14

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0650
Variant links:
Genes affected
CDKL5 (HGNC:11411): (cyclin dependent kinase like 5) This gene is a member of Ser/Thr protein kinase family and encodes a phosphorylated protein with protein kinase activity. Mutations in this gene have been associated with X-linked infantile spasm syndrome (ISSX), also known as X-linked West syndrome, and Rett syndrome (RTT). Alternate transcriptional splice variants have been characterized. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.045918316).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CDKL5NM_001323289.2 linkuse as main transcriptc.2215C>G p.Leu739Val missense_variant 15/18 ENST00000623535.2
CDKL5NM_001037343.2 linkuse as main transcriptc.2215C>G p.Leu739Val missense_variant 16/22
CDKL5NM_003159.3 linkuse as main transcriptc.2215C>G p.Leu739Val missense_variant 15/21

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CDKL5ENST00000623535.2 linkuse as main transcriptc.2215C>G p.Leu739Val missense_variant 15/181 NM_001323289.2 P1O76039-2

Frequencies

GnomAD3 genomes
AF:
0.00000904
AC:
1
AN:
110628
Hom.:
0
Cov.:
22
AF XY:
0.0000304
AC XY:
1
AN XY:
32892
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:
0.000384
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000545
AC:
1
AN:
183443
Hom.:
0
AF XY:
0.0000147
AC XY:
1
AN XY:
67879
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:
0.0000525
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
9.22e-7
AC:
1
AN:
1084991
Hom.:
0
Cov.:
29
AF XY:
0.00000284
AC XY:
1
AN XY:
352223
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:
0.0000186
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000904
AC:
1
AN:
110665
Hom.:
0
Cov.:
22
AF XY:
0.0000304
AC XY:
1
AN XY:
32939
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:
0.000387
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000165
AC:
2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.060
BayesDel_addAF
Benign
-0.39
T
BayesDel_noAF
Benign
-0.65
Cadd
Benign
11
Dann
Uncertain
0.99
DEOGEN2
Benign
0.022
T;T;T;.;.
FATHMM_MKL
Benign
0.29
N
M_CAP
Benign
0.050
D
MetaRNN
Benign
0.046
T;T;T;T;T
MetaSVM
Benign
-0.97
T
MutationAssessor
Benign
1.1
L;.;L;.;L
MutationTaster
Benign
1.0
N;N
PrimateAI
Uncertain
0.66
T
PROVEAN
Benign
-0.34
N;.;N;.;.
REVEL
Benign
0.11
Sift
Benign
0.27
T;.;T;.;.
Sift4G
Benign
0.36
T;.;T;T;T
Polyphen
0.21
B;.;B;.;.
Vest4
0.13
MutPred
0.084
Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);
MVP
0.57
MPC
0.58
ClinPred
0.17
T
GERP RS
4.2
Varity_R
0.14
gMVP
0.13

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: rs747554139; hg19: chrX-18631334; COSMIC: COSV105324255; API