rs373042822

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM1PM2

The NM_001244008.2(KIF1A):​c.1064G>T​(p.Arg355Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,184 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R355H) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Consequence

KIF1A
NM_001244008.2 missense

Scores

4
11
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.99

Publications

3 publications found
Variant links:
Genes affected
KIF1A (HGNC:888): (kinesin family member 1A) The protein encoded by this gene is a member of the kinesin family and functions as an anterograde motor protein that transports membranous organelles along axonal microtubules. Mutations at this locus have been associated with spastic paraplegia-30 and hereditary sensory neuropathy IIC. Alternatively spliced transcript variants encoding distinct isoforms have been described. [provided by RefSeq, Apr 2012]
KIF1A Gene-Disease associations (from GenCC):
  • intellectual disability, autosomal dominant 9
    Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
  • syndromic intellectual disability
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • neuropathy, hereditary sensory, type 2C
    Inheritance: AR Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
  • hereditary spastic paraplegia 30
    Inheritance: AR, AD Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet
  • autosomal dominant non-syndromic intellectual disability
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • PEHO syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • hereditary sensory and autonomic neuropathy type 2
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM1
In a hotspot region, there are 4 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 5 uncertain in NM_001244008.2
PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
KIF1ANM_001244008.2 linkc.1064G>T p.Arg355Leu missense_variant Exon 13 of 49 ENST00000498729.9 NP_001230937.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
KIF1AENST00000498729.9 linkc.1064G>T p.Arg355Leu missense_variant Exon 13 of 49 5 NM_001244008.2 ENSP00000438388.1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152184
Hom.:
0
Cov.:
33
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:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
Cov.:
31
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152184
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74352
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41444
American (AMR)
AF:
0.00
AC:
0
AN:
15274
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10618
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68032
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Apr 01, 2021
CeGaT Center for Human Genetics Tuebingen
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.85
BayesDel_addAF
Pathogenic
0.17
D
BayesDel_noAF
Uncertain
0.0
CADD
Pathogenic
26
DANN
Uncertain
0.99
DEOGEN2
Benign
0.38
T;.;.;.;.;.;.;T;.;.;.;.;.;.
Eigen
Uncertain
0.23
Eigen_PC
Uncertain
0.26
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Uncertain
0.94
.;D;D;D;D;D;.;D;D;D;D;D;D;D
M_CAP
Pathogenic
0.40
D
MetaRNN
Uncertain
0.69
D;D;D;D;D;D;D;D;D;D;D;D;D;D
MetaSVM
Uncertain
0.32
D
MutationAssessor
Uncertain
2.2
M;M;.;.;.;.;.;M;.;.;.;.;M;.
PhyloP100
6.0
PrimateAI
Pathogenic
0.82
D
PROVEAN
Uncertain
-2.6
.;D;N;.;.;.;.;.;.;.;.;.;N;.
REVEL
Uncertain
0.61
Sift
Benign
0.36
.;T;T;.;.;.;.;.;.;.;.;.;T;.
Sift4G
Benign
0.11
.;T;T;.;.;.;.;.;.;.;.;.;.;.
Polyphen
0.87
P;.;.;.;.;.;.;P;.;.;.;.;D;.
Vest4
0.80, 0.82
MutPred
0.62
Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);.;Loss of solvent accessibility (P = 0.0299);Loss of solvent accessibility (P = 0.0299);
MVP
0.61
MPC
2.3
ClinPred
0.83
D
GERP RS
3.8
Varity_R
0.39
gMVP
0.97
Mutation Taster
=57/43
polymorphism

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

Other links and lift over

dbSNP: rs373042822; hg19: chr2-241712647; API