rs759284637

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PM2PP3_StrongPP5

The NM_000154.2(GALK1):​c.863C>T​(p.Thr288Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000088 in 1,591,570 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000076 ( 0 hom. )

Consequence

GALK1
NM_000154.2 missense

Scores

11
7
1

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:2U:3

Conservation

PhyloP100: 9.35
Variant links:
Genes affected
GALK1 (HGNC:4118): (galactokinase 1) Galactokinase is a major enzyme for the metabolism of galactose and its deficiency causes congenital cataracts during infancy and presenile cataracts in the adult population. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.988
PP5
Variant 17-75758530-G-A is Pathogenic according to our data. Variant chr17-75758530-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 198048.We mark this variant Likely_pathogenic, oryginal submissions are: {Likely_pathogenic=2, Uncertain_significance=3}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
GALK1NM_000154.2 linkc.863C>T p.Thr288Met missense_variant Exon 6 of 8 ENST00000588479.6 NP_000145.1 P51570V9HWE7
GALK1NM_001381985.1 linkc.863C>T p.Thr288Met missense_variant Exon 6 of 9 NP_001368914.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
GALK1ENST00000588479.6 linkc.863C>T p.Thr288Met missense_variant Exon 6 of 8 1 NM_000154.2 ENSP00000465930.1 P51570

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152220
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000189
AC:
4
AN:
211106
Hom.:
0
AF XY:
0.0000257
AC XY:
3
AN XY:
116594
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000936
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:
0.0000105
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000764
AC:
11
AN:
1439350
Hom.:
0
Cov.:
34
AF XY:
0.00000979
AC XY:
7
AN XY:
715048
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000700
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000239
Gnomad4 FIN exome
AF:
0.0000229
Gnomad4 NFE exome
AF:
0.00000452
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152220
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74370
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000264
ExAC
AF:
0.00000837
AC:
1

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Pathogenic:2Uncertain:3
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Deficiency of galactokinase Pathogenic:2Uncertain:2
Nov 26, 2017
Counsyl
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 28, 2019
Mendelics
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 21, 2024
Fulgent Genetics, Fulgent Genetics
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jan 10, 2022
Revvity Omics, Revvity
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Uncertain:1
Feb 25, 2015
Eurofins Ntd Llc (ga)
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
0.59
BayesDel_addAF
Pathogenic
0.47
D
BayesDel_noAF
Pathogenic
0.43
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.77
D;.;D
Eigen
Pathogenic
0.81
Eigen_PC
Uncertain
0.66
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.97
.;D;D
M_CAP
Pathogenic
0.48
D
MetaRNN
Pathogenic
0.99
D;D;D
MetaSVM
Pathogenic
0.97
D
MutationAssessor
Pathogenic
4.2
H;.;H
PrimateAI
Uncertain
0.68
T
PROVEAN
Pathogenic
-5.2
D;.;.
REVEL
Pathogenic
0.83
Sift
Uncertain
0.0010
D;.;.
Sift4G
Uncertain
0.0020
D;D;D
Polyphen
1.0
D;.;D
Vest4
0.98
MutPred
0.86
Loss of phosphorylation at T288 (P = 0.0284);.;Loss of phosphorylation at T288 (P = 0.0284);
MVP
0.97
MPC
0.69
ClinPred
0.99
D
GERP RS
4.9
Varity_R
0.71
gMVP
0.85

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: rs759284637; hg19: chr17-73754611; API