Variant 9-127890749-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_013443.5(ST6GALNAC6):c.592C>T(p.Arg198Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000186 in 1,613,100 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: 𝑓 0.000020 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

ST6GALNAC6
NM_013443.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.07

Variant links:

Genes affected

ST6GALNAC6 (HGNC:23364): (ST6 N-acetylgalactosaminide alpha-2,6-sialyltransferase 6) ST6GALNAC6 belongs to a family of sialyltransferases that modify proteins and ceramides on the cell surface to alter cell-cell or cell-extracellular matrix interactions (Tsuchida et al., 2003 [PubMed 12668675]).[supplied by OMIM, Mar 2008]

ST6GALNAC6 links:

ST6GALNAC4-ST6GALNAC6-AK1 (HGNC:):

ST6GALNAC4-ST6GALNAC6-AK1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.745

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ST6GALNAC6	NM_013443.5 linkuse as main transcript	c.592C>T	p.Arg198Cys	missense_variant	5/7	ENST00000373146.6
ST6GALNAC4-ST6GALNAC6-AK1	NR_174625.1 linkuse as main transcript	n.1468C>T		non_coding_transcript_exon_variant	7/15

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ST6GALNAC6	ENST00000373146.6 linkuse as main transcript	c.592C>T	p.Arg198Cys	missense_variant	5/7	1	NM_013443.5		Q969X2-1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152214

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.0000120

AC:

AN:

250518

Hom.:

AF XY:

0.00000738

AC XY:

AN XY:

135484

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000177

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000185

AC:

AN:

1460886

Hom.:

Cov.:

AF XY:

0.0000206

AC XY:

AN XY:

726578

show subpopulations

Gnomad4 AFR exome

AF:

0.0000598

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000207

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152214

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74362

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:

0.0000294

Gnomad4 OTH

AF:

0.000478

Alfa

AF:

0.0000658

Hom.:

Bravo

AF:

0.00000756

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

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 submitter

clinical testing

Ambry Genetics

May 24, 2023

The c.592C>T (p.R198C) alteration is located in exon 5 (coding exon 4) of the ST6GALNAC6 gene. This alteration results from a C to T substitution at nucleotide position 592, causing the arginine (R) at amino acid position 198 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

Uncertain

0.39

BayesDel_addAF

Benign

-0.0021

BayesDel_noAF

Benign

-0.18

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.30

T;T;.;.;.;.;.

Eigen

Uncertain

0.65

Eigen_PC

Uncertain

0.60

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.93

D;.;D;.;D;.;D

M_CAP

Benign

0.052

MetaRNN

Pathogenic

0.75

D;D;D;D;D;D;D

MetaSVM

Benign

-0.82

MutationAssessor

Uncertain

2.9

M;M;.;.;M;.;.

MutationTaster

Benign

1.0

D;D;D;D;D;D

PrimateAI

Uncertain

0.65

PROVEAN

Pathogenic

-4.7

D;D;.;D;D;D;D

REVEL

Uncertain

0.32

Sift

Uncertain

0.0030

D;D;.;D;D;D;D

Sift4G

Uncertain

0.013

D;D;D;D;D;D;.

Polyphen

1.0

D;D;D;D;.;D;.

Vest4

0.59

MutPred

0.66

Loss of MoRF binding (P = 5e-04);Loss of MoRF binding (P = 5e-04);.;.;Loss of MoRF binding (P = 5e-04);.;.;

MVP

0.54

MPC

1.5

ClinPred

0.98

GERP RS

4.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.36

gMVP

0.76

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over