Names & Taxonomy

Uniprot ID:
P01877
Entry Name:
IGHA2_HUMAN
Status:
reviewed
Protein Names:
Ig alpha-2 chain C region
Gene Names:
IGHA2
Gene Names Primary:
IGHA2
Organism:
Homo sapiens (Human)

Structure

Length:
340
Sequence:
ASPTSPKVFPLSLDSTPQDGNVVVACLVQGFFPQEPLSVTWSESGQNVTARNFPPSQDASGDLYTTSSQLTLPATQCPDGKSVTCHVKHYTNPSQDVTVPCPVPPPPPCCHPRLSLHRPALEDLLLGSEANLTCTLTGLRDASGATFTWTPSSGKSAVQGPPERDLCGCYSVSSVLPGCAQPWNHGETFTCTAAHPELKTPLTANITKSGNTFRPEVHLLPPPSEELALNELVTLTCLARGFSPKDVLVRWLQGSQELPREKYLTWASRQEPSQGTTTFAVTSILRVAAEDWKKGDTFSCMVGHEALPLAFTQKTIDRMAGKPTHVNVSVVMAEVDGTCY
Proteomes:
UP000005640

Function

Function:
Ig alpha is the major immunoglobulin class in body secretions. It may serve both to defend against local infection and to prevent access of foreign antigens to the general immunologic system.
Gene Ontology Go:
blood microparticle
external side of plasma membrane
extracellular exosome
extracellular region
extracellular space
monomeric IgA immunoglobulin complex
secretory dimeric IgA immunoglobulin complex
secretory IgA immunoglobulin complex
antigen binding
antibacterial humoral response
B cell receptor signaling pathway
complement activation, classical pathway
glomerular filtration
immune response
innate immune response
phagocytosis, engulfment
phagocytosis, recognition
positive regulation of B cell activation
positive regulation of respiratory burst
receptor-mediated endocytosis
retina homeostasis
Gene Ontology Biological Process:
antibacterial humoral response
B cell receptor signaling pathway
complement activation, classical pathway
glomerular filtration
immune response
innate immune response
phagocytosis, engulfment
phagocytosis, recognition
positive regulation of B cell activation
positive regulation of respiratory burst
receptor-mediated endocytosis
retina homeostasis
Gene Ontology Molecular Function:
antigen binding
Gene Ontology Cellular Component:
blood microparticle
external side of plasma membrane
extracellular exosome
extracellular region
extracellular space
monomeric IgA immunoglobulin complex
secretory dimeric IgA immunoglobulin complex
secretory IgA immunoglobulin complex
Keywords:
3D-structure
Complete proteome
Direct protein sequencing
Disulfide bond
Glycoprotein
Immunoglobulin C region
Immunoglobulin domain
Reference proteome
Repeat

Publication

PubMed ID:
6421489 12508121 416441 286295 2241915 15084671 14760718 16740002 18780401 19139490