2-240741274-G-C

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001244008.2(KIF1A):​c.3744C>G​(p.Asn1248Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. N1248N) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Consequence

KIF1A
NM_001244008.2 missense

Scores

1
9
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.24

Publications

0 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 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.25050485).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001244008.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KIF1A
NM_001244008.2
MANE Select
c.3744C>Gp.Asn1248Lys
missense
Exon 35 of 49NP_001230937.1
KIF1A
NM_001379631.1
c.3819C>Gp.Asn1273Lys
missense
Exon 35 of 49NP_001366560.1
KIF1A
NM_001379642.1
c.3717C>Gp.Asn1239Lys
missense
Exon 34 of 49NP_001366571.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KIF1A
ENST00000498729.9
TSL:5 MANE Select
c.3744C>Gp.Asn1248Lys
missense
Exon 35 of 49ENSP00000438388.1
KIF1A
ENST00000492812.6
TSL:1
n.906C>G
non_coding_transcript_exon
Exon 3 of 16
KIF1A
ENST00000675932.2
c.3744C>Gp.Asn1248Lys
missense
Exon 35 of 49ENSP00000502786.2

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
Cov.:
31
GnomAD4 genome
Cov.:
33

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Intellectual disability, autosomal dominant 9 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.92
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.39
CADD
Benign
0.21
DANN
Uncertain
0.98
DEOGEN2
Uncertain
0.61
D
Eigen
Benign
-1.0
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.15
N
LIST_S2
Uncertain
0.96
D
M_CAP
Uncertain
0.15
D
MetaRNN
Benign
0.25
T
MetaSVM
Benign
-0.47
T
MutationAssessor
Uncertain
2.4
M
PhyloP100
-2.2
PrimateAI
Uncertain
0.67
T
PROVEAN
Uncertain
-4.2
D
REVEL
Benign
0.23
Sift
Uncertain
0.0070
D
Sift4G
Uncertain
0.045
D
Polyphen
0.99
D
Vest4
0.51
MutPred
0.45
Gain of ubiquitination at N1147 (P = 0.0203)
MVP
0.64
MPC
0.79
ClinPred
0.87
D
GERP RS
-8.9
Varity_R
0.55
gMVP
0.59
Mutation Taster
=29/71
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.10
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: rs771357052; hg19: chr2-241680691; API