catalog number :
MBS370074
products full name :
Glycophorin A
products short name :
Glycophorin A
other names :
glycophorin A; Glycophorin-A; glycophorin-A; glycophorin MiI; glycophorin MiV; glycophorin MiX; glycophorin SAT; glycophorin Erik; glycophorin MiIII; OTTHUMP00000220153; OTTHUMP00000220154; OTTHUMP00000220156; OTTHUMP00000220157; OTTHUMP00000220158; OTTHUMP00000220159; glycophorin A, GPA; MN sialoglycoprotein; glycophorin Sta type C; sialoglycoprotein alpha; Mi.V glycoprotein (24 AA); glycophorin A (MN blood group); recombinant glycophorin A-B Miltenberger-DR; erythroid-lineage-specific membrane sialoglycoprotein; glycophorin A (MNS blood group); MN sialoglycoprotein; PAS-2; Sialoglycoprotein alpha
other gene names :
GYPA; GYPA; MN; GPA; MNS; GPSAT; PAS-2; CD235a; GPErik; HGpMiV; HGpMiX; GpMiIII; HGpMiXI; HGpMiIII; HGpSta(C); GPA
uniprot entry name :
GLPA_HUMAN
form :
Anti-Glycophorin A is a mouse monoclonal antibody derived from cell culture supernatant that is concentrated, dialyzed, filter sterilized and diluted in buffer pH 7.5, containing BSA and sodium azide as a preservative.
storage stability :
Store at 2 to 8 degree C in the dark.
other info1 :
Control: Bone Marrow. Localization: Membranous
other info2 :
Reactivity Note: Paraffin, Frozen
products description :
Glycophorins A (GPA) and B (GPB) are single pass membrane sialoglycoproteins. GPA is the carrier of blood group M and N specificities, while GPB accounts for S and U specificities. GPA and GPB provide the cells with a large mucin-like surface and it has been suggested this provides a barrier to cell fusion, thus minimizing aggregation between red blood cells in the circulation. Anti-Glycophorin A has been used to characterize erythroid cell development and in the diagnosis of Erythroid Leukemias.
ncbi acc num :
AAA52768.1
ncbi gb acc num :
M24123.1
ncbi mol weight :
16,331 Da
ncbi pathways :
Hematopoietic Cell Lineage Pathway 83078!!Hematopoietic Cell Lineage Pathway 489!!Malaria Pathway 152665!!Malaria Pathway 152657
ncbi 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]
uniprot summary :
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). Ref.19 Ref.21 Ref.24 Ref.27 Ref.28 Ref.30. Subunit structure: Homodimer. Interacts with Streptococcus gordonii hsa protein. Ref.17 Ref.22 Ref.29. Subcellular location: Cell membrane; Single-pass type I membrane protein. Note: Appears to be colocalized with SLC4A1. Ref.23. Post-translational modification: The major O-linked glycan are NeuAc-alpha-(2-3)-Gal-beta-(1-3)-[NeuAc-alpha-2-6]-GalNacOH (about 78 %) and NeuAc-alpha-(2-3)-Gal-beta-(1-3)-GalNAcOH (17 %). Minor O-glycans (5 %) include NeuAc-alpha-(2-3)-Gal-beta-(1-3)-[NeuAc-alpha-2-6]-GalNAcOH NeuAc-alpha-(2-8)-NeuAc-alpha-(2-3)-Gal-beta-(1-3)-GalNAcOH. About 1% of all O-linked glycans carry blood group A, B and H determinants. They derive from a type-2 precursor core structure, Gal-beta-(1,3)-GlcNAc-beta-1-R, and the antigens are synthesized by addition of fucose (H antigen-specific) and then N-acetylgalactosamine (A antigen-specific) or galactose (B antigen-specific). Specifically O-linked-glycans are NeuAc-alpha-(2-3)-Gal-beta-(1-3)-GalNAcOH-(6-1)-GlcNAc-beta-(4-1)-[Fuc-alpha-1-2]-Gal-beta-(3-1)-GalNAc-alpha (about 1%, B antigen-specific) and NeuAc-alpha-(2-3)-Gal-beta-(1-3)-GalNAcOH-(6-1)-GlcNAc-beta-(4-1)-[Fuc-alpha-1-2]-Gal-beta (1 %, O antigen-, A antigen- and B antigen-specific). Polymorphism: Along with GYPB, GYPA is responsible for the MNS blood group system. The molecular basis of the GPA M/N bloodgroup antigen is a variation at positions 20 and 24. Ser-20 and Gly-24 correspond to M (shown); 'Leu-20' and 'Glu-24' correspond to N. Miscellaneous: Involved in several unequal homologous recombinations or gene conversion events, predominantly with GYPB and more rarely with GYPE. The resulting fusion proteins are observed in different phenotypes and encode low incidence bloodgroup antigens. Sequence similarities: Belongs to the glycophorin A family. Sequence caution: The sequence AAA52624.1 differs from that shown. Reason: Erroneous initiation.