5-155014031-T-C

Variant summary

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

The NM_001099293.3(KIF4B):ā€‹c.172T>Cā€‹(p.Cys58Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000144 in 1,461,894 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 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: not found (cov: 33)
Exomes š‘“: 0.000014 ( 0 hom. )

Consequence

KIF4B
NM_001099293.3 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.406
Variant links:
Genes affected
KIF4B (HGNC:6322): (kinesin family member 4B) This gene is an intronless retrocopy of kinesin family member 4A. The protein encoded by this gene is a microtubule-based motor protein that plays vital roles in anaphase spindle dynamics and cytokinesis. [provided by RefSeq, Jul 2016]

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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=0.043411583).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KIF4BNM_001099293.3 linkuse as main transcriptc.172T>C p.Cys58Arg missense_variant 1/1 ENST00000435029.6 NP_001092763.1 Q2VIQ3B4DYE2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KIF4BENST00000435029.6 linkuse as main transcriptc.172T>C p.Cys58Arg missense_variant 1/16 NM_001099293.3 ENSP00000387875.3 Q2VIQ3

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251430
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135922
show subpopulations
Gnomad AFR exome
AF:
0.0000617
Gnomad AMR exome
AF:
0.00
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:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000144
AC:
21
AN:
1461894
Hom.:
0
Cov.:
30
AF XY:
0.0000124
AC XY:
9
AN XY:
727248
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000189
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000658
Hom.:
0
Bravo
AF:
0.00000756
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00000824
AC:
1

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 GeneticsNov 15, 2024The c.172T>C (p.C58R) alteration is located in exon 1 (coding exon 1) of the KIF4B gene. This alteration results from a T to C substitution at nucleotide position 172, causing the cysteine (C) at amino acid position 58 to be replaced by an arginine (R). 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
Benign
0.091
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.49
CADD
Benign
16
DANN
Benign
0.82
DEOGEN2
Benign
0.057
T
Eigen
Benign
-0.96
Eigen_PC
Benign
-0.91
FATHMM_MKL
Benign
0.046
N
LIST_S2
Benign
0.83
T
M_CAP
Benign
0.0047
T
MetaRNN
Benign
0.043
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.15
N
PrimateAI
Benign
0.30
T
PROVEAN
Benign
1.0
N
REVEL
Benign
0.098
Sift
Benign
0.14
T
Sift4G
Benign
0.30
T
Polyphen
0.0
B
Vest4
0.12
MVP
0.27
MPC
0.16
ClinPred
0.029
T
GERP RS
0.48
Varity_R
0.27
gMVP
0.20

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: rs367763438; hg19: chr5-154393591; COSMIC: COSV101469210; API