rs372134800
Positions:
Variant summary
Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong
The NM_000155.4(GALT):c.864C>A(p.Asn288Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,874 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 Uncertain significance (★).
Frequency
Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
GALT
NM_000155.4 missense
NM_000155.4 missense
Scores
10
7
2
Clinical Significance
Conservation
PhyloP100: -0.186
Genes affected
GALT (HGNC:4135): (galactose-1-phosphate uridylyltransferase) Galactose-1-phosphate uridyl transferase (GALT) catalyzes the second step of the Leloir pathway of galactose metabolism, namely the conversion of UDP-glucose + galactose-1-phosphate to glucose-1-phosphate + UDP-galactose. The absence of this enzyme results in classic galactosemia in humans and can be fatal in the newborn period if lactose is not removed from the diet. The pathophysiology of galactosemia has not been clearly defined. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2012]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 6 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.942
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
GALT | NM_000155.4 | c.864C>A | p.Asn288Lys | missense_variant | 9/11 | ENST00000378842.8 | NP_000146.2 | |
GALT | NM_001258332.2 | c.537C>A | p.Asn179Lys | missense_variant | 7/9 | NP_001245261.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
GALT | ENST00000378842.8 | c.864C>A | p.Asn288Lys | missense_variant | 9/11 | 1 | NM_000155.4 | ENSP00000368119 | P1 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD3 genomes
Cov.:
32
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461874Hom.: 0 Cov.: 32 AF XY: 0.00000138 AC XY: 1AN XY: 727232
GnomAD4 exome
AF:
AC:
1
AN:
1461874
Hom.:
Cov.:
32
AF XY:
AC XY:
1
AN XY:
727232
Gnomad4 AFR exome
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GnomAD4 genome Cov.: 32
GnomAD4 genome
Cov.:
32
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Jan 10, 2014 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
CADD
Benign
DANN
Uncertain
DEOGEN2
Pathogenic
.;D
Eigen
Uncertain
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Pathogenic
D;D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D
MetaSVM
Pathogenic
D
MutationAssessor
Pathogenic
.;M
MutationTaster
Benign
D;D
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D;D
REVEL
Pathogenic
Sift
Uncertain
D;D
Sift4G
Uncertain
D;D
Polyphen
1.0
.;D
Vest4
MutPred
0.75
.;Gain of methylation at N288 (P = 0.0135);
MVP
MPC
2.0
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at