dbSNP rs747554139: CDKL5:p.Leu739Val (chrX-18613214-C-G) – ACMG Classification: Likely_benign (-2 pts)

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.

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

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]

CDKL5 links:

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 rank	MANE	Protein	UniProt
CDKL5	NM_001323289.2 link	c.2215C>G	p.Leu739Val	missense_variant	Exon 15 of 18	ENST00000623535.2	NP_001310218.1	O76039-2
CDKL5	NM_001037343.2 link	c.2215C>G	p.Leu739Val	missense_variant	Exon 16 of 22		NP_001032420.1	O76039-1
CDKL5	NM_003159.3 link	c.2215C>G	p.Leu739Val	missense_variant	Exon 15 of 21		NP_003150.1	O76039-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CDKL5	ENST00000623535.2 link	c.2215C>G	p.Leu739Val	missense_variant	Exon 15 of 18	1	NM_001323289.2	ENSP00000485244.1		O76039-2

Frequencies

GnomAD3 genomes

AF:

0.00000904

AC:

AN:

110628

Hom.:

Cov.:

AF XY:

0.0000304

AC XY:

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:

AN:

183443

Hom.:

AF XY:

0.0000147

AC XY:

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:

AN:

1084991

Hom.:

Cov.:

AF XY:

0.00000284

AC XY:

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:

AN:

110665

Hom.:

Cov.:

AF XY:

0.0000304

AC XY:

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:

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

BayesDel_noAF

Benign

-0.65

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.022

T;T;T;.;.

FATHMM_MKL

Benign

0.29

LIST_S2

Benign

0.78

.;T;T;T;T

M_CAP

Benign

0.050

MetaRNN

Benign

0.046

T;T;T;T;T

MetaSVM

Benign

-0.97

MutationAssessor

Benign

1.1

L;.;L;.;L

PrimateAI

Uncertain

0.66

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

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

LitVar

Other links and lift over