Genetic Variant GALK2:p.Ser5Ile (chr15-49170336-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_002044.4(GALK2):c.14G>T(p.Ser5Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000314 in 1,590,750 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S5T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000028 ( 0 hom. )

Consequence

GALK2
NM_002044.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.21

Publications

0 publications found

Variant links:

Genes affected

GALK2 (HGNC:4119): (galactokinase 2) This gene encodes a highly efficient N-acetylgalactosamine (GalNAc) kinase, which has galactokinase activity when galactose is present at high concentrations. The encoded protein is a member of the GHMP kinase family. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2017]

GALK2 links:

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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=0.09671402).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GALK2	NM_002044.4 link	c.14G>T	p.Ser5Ile	missense_variant	Exon 1 of 10	ENST00000560031.6	NP_002035.1	Q01415-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GALK2	ENST00000560031.6 link	c.14G>T	p.Ser5Ile	missense_variant	Exon 1 of 10	1	NM_002044.4	ENSP00000453129.1		Q01415-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152250

Hom.:

Cov.:

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:

0.000192

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000478

AC:

AN:

209224

AF XY:

0.00000889

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000278

AC:

AN:

1438500

Hom.:

Cov.:

AF XY:

0.00000281

AC XY:

AN XY:

712652

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33166

American (AMR)

AF:

0.00

AC:

AN:

41314

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25558

East Asian (EAS)

AF:

0.0000514

AC:

AN:

38894

South Asian (SAS)

AF:

0.0000244

AC:

AN:

82102

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51492

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5716

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1100748

Other (OTH)

AF:

0.00

AC:

AN:

59510

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152250

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74384

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41462

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.000192

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68046

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.091

BayesDel_addAF

Benign

-0.0042

BayesDel_noAF

Benign

-0.24

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.063

Eigen

Benign

-0.55

Eigen_PC

Benign

-0.43

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.61

M_CAP

Benign

0.052

MetaRNN

Benign

0.097

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.0

PhyloP100

1.2

PrimateAI

Benign

0.37

PROVEAN

Benign

0.17

Sift

Benign

0.17

Sift4G

Benign

0.21

Polyphen

0.042

Vest4

0.16

MutPred

0.28

Loss of disorder (P = 0.0091);

MVP

0.86

MPC

0.048

ClinPred

0.10

GERP RS

3.0

PromoterAI

0.078

Neutral

(source)

Varity_R

0.11

gMVP

0.80

Mutation Taster

=92/8

polymorphism

(source)

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

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15-49170336-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over