12-54497850-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_005337.5(NCKAP1L):​c.61C>T​(p.Arg21Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000093 in 1,613,124 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. R21R) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

NCKAP1L
NM_005337.5 missense

Scores

7
9
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.18
Variant links:
Genes affected
NCKAP1L (HGNC:4862): (NCK associated protein 1 like) This gene encodes a member of the HEM family of tissue-specific transmembrane proteins which are highly conserved from invertebrates through mammals. This gene is only expressed in hematopoietic cells. The encoded protein is a part of the Scar/WAVE complex which plays an important role in regulating cell shape in both metazoans and plants. Alternatively spliced transcript variants encoding different isoforms have been found.[provided by RefSeq, May 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.963

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NCKAP1LNM_005337.5 linkuse as main transcriptc.61C>T p.Arg21Cys missense_variant 1/31 ENST00000293373.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NCKAP1LENST00000293373.11 linkuse as main transcriptc.61C>T p.Arg21Cys missense_variant 1/311 NM_005337.5 P1P55160-1
NCKAP1LENST00000547500.1 linkuse as main transcriptn.85C>T non_coding_transcript_exon_variant 1/32
NCKAP1LENST00000548221.5 linkuse as main transcriptc.61C>T p.Arg21Cys missense_variant, NMD_transcript_variant 1/312

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152156
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000966
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251438
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135900
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000684
AC:
10
AN:
1460968
Hom.:
0
Cov.:
29
AF XY:
0.00000963
AC XY:
7
AN XY:
726838
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000580
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152156
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74326
show subpopulations
Gnomad4 AFR
AF:
0.0000966
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000378
ExAC
AF:
0.0000165
AC:
2

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 submitterclinical testingAmbry GeneticsJan 06, 2023The c.61C>T (p.R21C) alteration is located in exon 1 (coding exon 1) of the NCKAP1L gene. This alteration results from a C to T substitution at nucleotide position 61, causing the arginine (R) at amino acid position 21 to be replaced by a cysteine (C). 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
Pathogenic
0.81
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
0.12
CADD
Pathogenic
30
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.62
D
Eigen
Pathogenic
0.74
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Uncertain
0.96
D
M_CAP
Benign
0.069
D
MetaRNN
Pathogenic
0.96
D
MetaSVM
Benign
-0.44
T
MutationAssessor
Uncertain
2.5
M
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.69
T
PROVEAN
Pathogenic
-6.5
D
REVEL
Uncertain
0.39
Sift
Uncertain
0.0010
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.82
MutPred
0.90
Loss of MoRF binding (P = 0.0045);
MVP
0.53
MPC
1.4
ClinPred
0.92
D
GERP RS
5.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.64
gMVP
0.69

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: rs747238608; hg19: chr12-54891634; COSMIC: COSV99515839; COSMIC: COSV99515839; API