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rs139924571

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1

The NM_018249.6(CDK5RAP2):c.4399A>G(p.Ile1467Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000074 in 1,595,152 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000070 ( 0 hom. )

Consequence

CDK5RAP2
NM_018249.6 missense

Scores

17

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 1.90
Variant links:
Genes affected
CDK5RAP2 (HGNC:18672): (CDK5 regulatory subunit associated protein 2) This gene encodes a regulator of CDK5 (cyclin-dependent kinase 5) activity. The protein encoded by this gene is localized to the centrosome and Golgi complex, interacts with CDK5R1 and pericentrin (PCNT), plays a role in centriole engagement and microtubule nucleation, and has been linked to primary microcephaly and Alzheimer's disease. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2013]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.0053780973).
BP6
Variant 9-120411373-T-C is Benign according to our data. Variant chr9-120411373-T-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 434652.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_significance=1}.
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.000112 (17/152192) while in subpopulation AMR AF= 0.000458 (7/15282). AF 95% confidence interval is 0.000215. There are 0 homozygotes in gnomad4. There are 8 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CDK5RAP2NM_018249.6 linkuse as main transcriptc.4399A>G p.Ile1467Val missense_variant 29/38 ENST00000349780.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CDK5RAP2ENST00000349780.9 linkuse as main transcriptc.4399A>G p.Ile1467Val missense_variant 29/381 NM_018249.6 P4Q96SN8-1

Frequencies

GnomAD3 genomes
AF:
0.000112
AC:
17
AN:
152192
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000217
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
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:
0.000478
GnomAD3 exomes
AF:
0.000366
AC:
92
AN:
251480
Hom.:
0
AF XY:
0.000250
AC XY:
34
AN XY:
135914
show subpopulations
Gnomad AFR exome
AF:
0.000185
Gnomad AMR exome
AF:
0.00257
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000700
AC:
101
AN:
1442960
Hom.:
0
Cov.:
28
AF XY:
0.0000570
AC XY:
41
AN XY:
719310
show subpopulations
Gnomad4 AFR exome
AF:
0.000242
Gnomad4 AMR exome
AF:
0.00208
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:
0.00
GnomAD4 genome
AF:
0.000112
AC:
17
AN:
152192
Hom.:
0
Cov.:
33
AF XY:
0.000108
AC XY:
8
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.000217
Gnomad4 AMR
AF:
0.000458
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:
0.000478
Alfa
AF:
0.0000965
Hom.:
0
Bravo
AF:
0.000147
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000346
AC:
42

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoMar 23, 2017- -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeJan 01, 2024- -
CDK5RAP2-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesMar 02, 2023This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.075
BayesDel_addAF
Benign
-0.69
T
BayesDel_noAF
Benign
-0.76
Cadd
Benign
13
Dann
Benign
0.81
Eigen
Benign
-1.0
Eigen_PC
Benign
-0.87
FATHMM_MKL
Benign
0.091
N
LIST_S2
Benign
0.72
T;T;T;T;T
M_CAP
Benign
0.0028
T
MetaRNN
Benign
0.0054
T;T;T;T;T
MetaSVM
Benign
-0.98
T
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-0.36
N;N;N;N;N
REVEL
Benign
0.059
Sift
Benign
0.30
T;T;T;T;T
Sift4G
Benign
0.32
T;T;T;T;T
Polyphen
0.0, 0.0010
.;B;B;B;B
Vest4
0.085
MVP
0.13
MPC
0.065
ClinPred
0.0058
T
GERP RS
2.8
Varity_R
0.017
gMVP
0.022

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: rs139924571; hg19: chr9-123173651; API