Genetic Variant GYPA:p.Gly113Ser (chr4-144116874-C-T) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_002099.8(GYPA):c.337G>A(p.Gly113Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000813 in 1,594,830 control chromosomes in the GnomAD database, including 7 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00089 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00080 ( 7 hom. )

Consequence

GYPA
NM_002099.8 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.12

Variant links:

Genes affected

GYPA (HGNC:4702): (glycophorin A (MNS blood group)) Glycophorins A (GYPA) and B (GYPB) are major sialoglycoproteins of the human erythrocyte membrane which bear the antigenic determinants for the MN and Ss blood groups. In addition to the M or N and S or s antigens that commonly occur in all populations, about 40 related variant phenotypes have been identified. These variants include all the variants of the Miltenberger complex and several isoforms of Sta, as well as Dantu, Sat, He, Mg, and deletion variants Ena, S-s-U- and Mk. Most of the variants are the result of gene recombinations between GYPA and GYPB. [provided by RefSeq, Jul 2008]

GYPA links:

ENSG00000285783 (HGNC:):

ENSG00000285783 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.005676508).

BS2

High Homozygotes in GnomAdExome4 at 7 BG gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GYPA	NM_002099.8 link	c.337G>A	p.Gly113Ser	missense_variant	Exon 5 of 7	ENST00000641688.3	NP_002090.4	P02724A0A0C4DFT7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GYPA	ENST00000641688.3 link	c.337G>A	p.Gly113Ser	missense_variant	Exon 5 of 7		NM_002099.8	ENSP00000493142.2		A0A0C4DFT7

Frequencies

GnomAD3 genomes

AF:

0.000889

AC:

135

AN:

151934

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000194

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00177

Gnomad ASJ

AF:

0.00144

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00104

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.00125

Gnomad OTH

AF:

0.00144

GnomAD3 exomes

AF:

0.00119

AC:

299

AN:

251010

Hom.:

AF XY:

0.00121

AC XY:

164

AN XY:

135640

show subpopulations

Gnomad AFR exome

AF:

0.000185

Gnomad AMR exome

AF:

0.00165

Gnomad ASJ exome

AF:

0.00139

Gnomad EAS exome

AF:

0.0000544

Gnomad SAS exome

AF:

0.00261

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00117

Gnomad OTH exome

AF:

0.00180

GnomAD4 exome

AF:

0.000805

AC:

1161

AN:

1442780

Hom.:

Cov.:

AF XY:

0.000880

AC XY:

633

AN XY:

719190

show subpopulations

Gnomad4 AFR exome

AF:

0.000121

Gnomad4 AMR exome

AF:

0.00161

Gnomad4 ASJ exome

AF:

0.00146

Gnomad4 EAS exome

AF:

0.0000253

Gnomad4 SAS exome

AF:

0.00248

Gnomad4 FIN exome

AF:

0.0000562

Gnomad4 NFE exome

AF:

0.000659

Gnomad4 OTH exome

AF:

0.00122

GnomAD4 genome

AF:

0.000888

AC:

135

AN:

152050

Hom.:

Cov.:

AF XY:

0.000996

AC XY:

AN XY:

74310

show subpopulations

Gnomad4 AFR

AF:

0.000193

Gnomad4 AMR

AF:

0.00177

Gnomad4 ASJ

AF:

0.00144

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.00104

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00125

Gnomad4 OTH

AF:

0.00142

Alfa

AF:

0.000930

Hom.:

Bravo

AF:

0.000903

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.000698

AC:

ExAC

AF:

0.00113

AC:

137

EpiCase

AF:

0.00175

EpiControl

AF:

0.00213

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 02, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.337G>A (p.G113S) alteration is located in exon 5 (coding exon 5) of the GYPA gene. This alteration results from a G to A substitution at nucleotide position 337, causing the glycine (G) at amino acid position 113 to be replaced by a serine (S). 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

Benign

0.075

BayesDel_addAF

Benign

-0.67

BayesDel_noAF

Benign

-0.74

CADD

Benign

0.022

DANN

Benign

0.68

DEOGEN2

Benign

0.0027

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

Eigen

Benign

-2.2

Eigen_PC

Benign

-2.3

FATHMM_MKL

Benign

0.0086

LIST_S2

Benign

0.14

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

M_CAP

Benign

0.0023

MetaRNN

Benign

0.0057

T;T;T;T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-1.0

PrimateAI

Benign

0.28

PROVEAN

Benign

0.95

.;.;N;.;N;.;.;.;.;.;N;N;N;N

REVEL

Benign

0.025

Sift

Benign

1.0

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

Sift4G

Benign

1.0

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

Polyphen

0.033, 0.044, 0.019

.;.;.;.;.;.;.;.;.;.;B;B;B;.

Vest4

0.16

MVP

0.030

MPC

0.020

ClinPred

0.0063

GERP RS

-9.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

gMVP

0.022

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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