rs143694860

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_001008216.2(GALE):​c.912G>A​(p.Val304=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000754 in 1,614,144 control chromosomes in the GnomAD database, including 7 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0023 ( 4 hom., cov: 32)
Exomes 𝑓: 0.00059 ( 3 hom. )

Consequence

GALE
NM_001008216.2 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 0.0890
Variant links:
Genes affected
GALE (HGNC:4116): (UDP-galactose-4-epimerase) This gene encodes UDP-galactose-4-epimerase which catalyzes two distinct but analogous reactions: the epimerization of UDP-glucose to UDP-galactose, and the epimerization of UDP-N-acetylglucosamine to UDP-N-acetylgalactosamine. The bifunctional nature of the enzyme has the important metabolic consequence that mutant cells (or individuals) are dependent not only on exogenous galactose, but also on exogenous N-acetylgalactosamine as a necessary precursor for the synthesis of glycoproteins and glycolipids. Mutations in this gene result in epimerase-deficiency galactosemia, also referred to as galactosemia type 3, a disease characterized by liver damage, early-onset cataracts, deafness and cognitive disability, with symptoms ranging from mild ('peripheral' form) to severe ('generalized' form). Multiple alternatively spliced transcripts encoding the same protein have been identified. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.43).
BP6
Variant 1-23796227-C-T is Benign according to our data. Variant chr1-23796227-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 92891.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.089 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00234 (357/152284) while in subpopulation AFR AF= 0.00652 (271/41560). AF 95% confidence interval is 0.00588. There are 4 homozygotes in gnomad4. There are 163 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 4 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GALENM_001008216.2 linkuse as main transcriptc.912G>A p.Val304= synonymous_variant 11/12 ENST00000617979.5 NP_001008217.1
GALENM_000403.4 linkuse as main transcriptc.912G>A p.Val304= synonymous_variant 11/12 NP_000394.2
GALENM_001127621.2 linkuse as main transcriptc.912G>A p.Val304= synonymous_variant 10/11 NP_001121093.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GALEENST00000617979.5 linkuse as main transcriptc.912G>A p.Val304= synonymous_variant 11/121 NM_001008216.2 ENSP00000483375 P1Q14376-1

Frequencies

GnomAD3 genomes
AF:
0.00235
AC:
357
AN:
152166
Hom.:
4
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00654
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00249
Gnomad ASJ
AF:
0.00576
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.000294
Gnomad OTH
AF:
0.00288
GnomAD3 exomes
AF:
0.00105
AC:
265
AN:
251298
Hom.:
2
AF XY:
0.000957
AC XY:
130
AN XY:
135860
show subpopulations
Gnomad AFR exome
AF:
0.00634
Gnomad AMR exome
AF:
0.00136
Gnomad ASJ exome
AF:
0.00427
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000475
Gnomad OTH exome
AF:
0.00277
GnomAD4 exome
AF:
0.000588
AC:
860
AN:
1461860
Hom.:
3
Cov.:
31
AF XY:
0.000557
AC XY:
405
AN XY:
727238
show subpopulations
Gnomad4 AFR exome
AF:
0.00484
Gnomad4 AMR exome
AF:
0.00148
Gnomad4 ASJ exome
AF:
0.00471
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000362
Gnomad4 OTH exome
AF:
0.00146
GnomAD4 genome
AF:
0.00234
AC:
357
AN:
152284
Hom.:
4
Cov.:
32
AF XY:
0.00219
AC XY:
163
AN XY:
74470
show subpopulations
Gnomad4 AFR
AF:
0.00652
Gnomad4 AMR
AF:
0.00248
Gnomad4 ASJ
AF:
0.00576
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000294
Gnomad4 OTH
AF:
0.00285
Alfa
AF:
0.00162
Hom.:
1
Bravo
AF:
0.00250
EpiCase
AF:
0.000709
EpiControl
AF:
0.000533

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
Benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Apr 27, 2018- -
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
not provided Benign:2
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJul 01, 2024GALE: BP4, BP7, BS2 -
UDPglucose-4-epimerase deficiency Benign:2
Likely benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 29, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.43
CADD
Benign
12
DANN
Benign
0.84
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
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: rs143694860; hg19: chr1-24122717; API