3-49727535-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_153273.4(IP6K1):​c.913C>T​(p.Arg305Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000958 in 1,461,886 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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 𝑓: 0.0000096 ( 0 hom. )

Consequence

IP6K1
NM_153273.4 missense

Scores

1
9
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.37
Variant links:
Genes affected
IP6K1 (HGNC:18360): (inositol hexakisphosphate kinase 1) This gene encodes a member of the inositol phosphokinase family. The encoded protein may be responsible for the conversion of inositol hexakisphosphate (InsP6) to diphosphoinositol pentakisphosphate (InsP7/PP-InsP5). It may also convert 1,3,4,5,6-pentakisphosphate (InsP5) to PP-InsP4. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jun 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.34701058).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IP6K1NM_153273.4 linkuse as main transcriptc.913C>T p.Arg305Cys missense_variant 6/6 ENST00000321599.9 NP_695005.1 Q92551-1A0A024R2X2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IP6K1ENST00000321599.9 linkuse as main transcriptc.913C>T p.Arg305Cys missense_variant 6/61 NM_153273.4 ENSP00000323780.4 Q92551-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000958
AC:
14
AN:
1461886
Hom.:
0
Cov.:
31
AF XY:
0.00000825
AC XY:
6
AN XY:
727244
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000176
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000629
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378

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 GeneticsOct 07, 2024The c.913C>T (p.R305C) alteration is located in exon 6 (coding exon 5) of the IP6K1 gene. This alteration results from a C to T substitution at nucleotide position 913, causing the arginine (R) at amino acid position 305 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
Benign
0.14
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.49
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.26
T;T;.;.
Eigen
Uncertain
0.46
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Uncertain
0.96
.;D;D;.
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.35
T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.3
M;M;.;.
PrimateAI
Uncertain
0.55
T
PROVEAN
Uncertain
-3.5
D;.;D;D
REVEL
Benign
0.23
Sift
Uncertain
0.0060
D;.;D;D
Sift4G
Uncertain
0.029
D;D;T;T
Polyphen
0.98
D;D;.;.
Vest4
0.17
MutPred
0.64
Gain of catalytic residue at R304 (P = 0.1924);Gain of catalytic residue at R304 (P = 0.1924);.;.;
MVP
0.42
MPC
2.0
ClinPred
0.94
D
GERP RS
3.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.16
gMVP
0.45

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: rs2080520019; hg19: chr3-49764968; API