2-219501551-G-A

Position:

chr2-219501551-G-A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1

The NM_013335.4(GMPPA):c.214G>A(p.Ala72Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000217 in 1,611,242 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

GMPPA
NM_013335.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 5.44

Variant links:

Genes affected

GMPPA (HGNC:22923): (GDP-mannose pyrophosphorylase A) This gene is thought to encode a GDP-mannose pyrophosphorylase. This enzyme catalyzes the reaction which converts mannose-1-phosphate and GTP to GDP-mannose which is involved in the production of N-linked oligosaccharides. [provided by RefSeq, Jul 2008]

GMPPA links:

ASIC4-AS1 (HGNC:40960): (ASIC4 antisense RNA 1)

ASIC4-AS1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.014909744).

BP6

Variant 2-219501551-G-A is Benign according to our data. Variant chr2-219501551-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 786493.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00106 (161/152282) while in subpopulation AFR AF= 0.00339 (141/41566). AF 95% confidence interval is 0.00294. There are 0 homozygotes in gnomad4. There are 66 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
GMPPA	NM_013335.4 linkuse as main transcript	c.214G>A	p.Ala72Thr	missense_variant	4/13	ENST00000313597.10
ASIC4-AS1	XR_923921.2 linkuse as main transcript	n.391+15145C>T		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
GMPPA	ENST00000313597.10 linkuse as main transcript	c.214G>A	p.Ala72Thr	missense_variant	4/13	1	NM_013335.4	P1	Q96IJ6-1
ASIC4-AS1	ENST00000429882.1 linkuse as main transcript	n.182+15145C>T		intron_variant, non_coding_transcript_variant		3

Frequencies

GnomAD3 genomes

AF:

0.00104

AC:

159

AN:

152164

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00335

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000720

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00192

GnomAD3 exomes

AF:

0.000231

AC:

AN:

251456

Hom.:

AF XY:

0.000169

AC XY:

AN XY:

135908

show subpopulations

Gnomad AFR exome

AF:

0.00246

Gnomad AMR exome

AF:

0.000405

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.000130

AC:

189

AN:

1458960

Hom.:

Cov.:

AF XY:

0.000114

AC XY:

AN XY:

725990

show subpopulations

Gnomad4 AFR exome

AF:

0.00353

Gnomad4 AMR exome

AF:

0.000335

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000580

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000171

Gnomad4 OTH exome

AF:

0.000514

GnomAD4 genome

AF:

0.00106

AC:

161

AN:

152282

Hom.:

Cov.:

AF XY:

0.000887

AC XY:

AN XY:

74444

show subpopulations

Gnomad4 AFR

AF:

0.00339

Gnomad4 AMR

AF:

0.000719

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.00190

Alfa

AF:

0.000213

Hom.:

Bravo

AF:

0.00126

ESP6500AA

AF:

0.00340

AC:

ESP6500EA

AF:

0.000349

AC:

ExAC

AF:

0.000272

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Mayo Clinic Laboratories, Mayo Clinic

Apr 28, 2022

BP4 -

Alacrima, achalasia, and intellectual disability syndrome

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Nov 27, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.091

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.22

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.51

D;.;D;D;.;T;D;.

Eigen

Benign

-0.051

Eigen_PC

Benign

0.084

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.86

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

M_CAP

Benign

0.042

MetaRNN

Benign

0.015

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

MetaSVM

Benign

-0.80

MutationAssessor

Benign

1.9

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

MutationTaster

Benign

1.0

D;D;D;D;D

PrimateAI

Uncertain

0.53

PROVEAN

Benign

-1.2

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

REVEL

Benign

0.12

Sift

Benign

0.29

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

Sift4G

Benign

0.44

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

Polyphen

0.38

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

Vest4

0.21

MVP

0.87

MPC

0.47

ClinPred

0.018

GERP RS

4.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.12

gMVP

0.62

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