GYPA

protein-coding

glycophorin A (MNS blood group), the group of Blood group antigens|CD molecules

Gene summary

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]

Previous symbols:
  • MNS

MANE transcript

NM_002099.8

Inheritance

AD, BG

ClinVar variants

P:1U:16B:3

Top phenotype

Blood group, MN locus; Blood group, Erik

gnomAD constraint

pLI —, LoF o/e 0.59

Max pathogenic AF

—

Genomic locus

chr4:144,109,303-144,140,751

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~31.4 kb
Loading mutation effect viewer...

GenCC Phenotypes & Disease Associations

Curated gene-disease validity assertions and inheritance patterns

blood group, mnLIMITED

Inheritance Pattern: AD

Disease ID:MONDO:0020616

Submitter: PanelApp Australia

Clinical Genomic Database (CGD)

Blood group, MN locus; Blood group, ErikBG

Manifestation: Hematologic

Intervention: Hematologic

Rationale: Variants associated with a blood group may be important in specific situations (eg, related to transfusion)

Refs: 275842; 7040988; 7052193; 8245024Source: CGD (NHGRI)

ClinVar Associated Diseases & Phenotypes

Reported disease conditions connected to GYPA variants in ClinVar

2 Conditions Cataloged
not specifiedTotal: 20
BLOOD GROUP ERIKTotal: 1

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_002099.8. Only rare variants are included.

We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.

Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.

EffectPLPVUSLBBSum
synonymous
0
missense
1
clinvar
16
clinvar
3
clinvar
20
nonsense
0
start loss
0
frameshift
0
splice donor/acceptor (+/-2bp)
0
Total10163020

Highest pathogenic variant AF is 0.00001446143

Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 34 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_002099.8RefSeqNP_002090.47MANE Select
ENST00000641688.3EnsemblENSP00000493142.27MANE Select
NM_001308187.2RefSeqNP_001295116.16Standard
NM_001308190.2RefSeqNP_001295119.16Standard

Gene Ontology (GO) Annotations & Pathways

Biological processes, molecular functions, cellular components and pathways

Pathways ConsensusPathDB

  • Malaria - Homo sapiens (human)
  • Hematopoietic cell lineage - Homo sapiens (human)
  • Hematopoietic Stem Cell Differentiation
  • Cell surface interactions at the vascular wall
  • Hemostasis

Biological Process

  • viral entry into host cell
  • leukocyte migration

Molecular Function

  • virus receptor activity
  • protein binding
  • identical protein binding

Cellular Component

  • plasma membrane
  • membrane
  • integral component of membrane

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000360771
Coding exons
7
Length
31448
Individuals with no LoFs
125659
Homozygous LoFs
0
Heterozygous LoFs
4
Defined
125663
p
0.0000159
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense-0.5509480.21.170.00000418928
Missense (PolyPhen)2825.8341.0839325
Synonymous-0.02712827.81.010.00000153297
Loss of Function1.22610.20.5885.16e-7124

Population LoF Frequency

PopulationCAFp-valueStatus
African0.0000620.000062rare
Latino/Admixed American00.0absent
Ashkenazi Jewish00.0absent
East Asian00.0absent
Finnish00.0absent
European (Non-Finnish)0.0000270.000026rare
South Asian00.0absent
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Function
FUNCTION: Glycophorin A is the major intrinsic membrane protein of the erythrocyte. The N-terminal glycosylated segment, which lies outside the erythrocyte membrane, has MN blood group receptors. Appears to be important for the function of SLC4A1 and is required for high activity of SLC4A1. May be involved in translocation of SLC4A1 to the plasma membrane. Is a receptor for influenza virus. Is a receptor for Plasmodium falciparum erythrocyte-binding antigen 175 (EBA-175); binding of EBA-175 is dependent on sialic acid residues of the O-linked glycans. Appears to be a receptor for Hepatitis A virus (HAV). {ECO:0000269|PubMed:10926825, ECO:0000269|PubMed:12813056, ECO:0000269|PubMed:14604989, ECO:0000269|PubMed:15331714, ECO:0000269|PubMed:19438409, ECO:0000269|PubMed:8009226}.;

Intolerance Scores

LoFtool
0.769
RVIS EVS
0.39
RVIS percentile EVS
76.05

Essentials

Essential (CRISPR)
N
Essential (CRISPR2)
N
Essential (gene trap)
N
Indispensability pred.
N
Indispensability score
0.231

Gene Damage Prediction

AllRecessiveDominant
MendelianMediumMediumMedium
Primary ImmunodeficiencyMediumMediumMedium
CancerMediumMediumMedium
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