Function and Biology Details
Reaction catalysed:
Cleavage of Arg-|-Ser bond in complement component C3 alpha-chain to yield C3a and C3b, and Arg-|- bond in complement component C5 alpha-chain to yield C5a and C5b.
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
- Serine proteases, trypsin domain
- Peptidase S1A, chymotrypsin family
- von Willebrand factor, type A
- von Willebrand factor A-like domain superfamily
- Netrin module, non-TIMP type
- Tissue inhibitor of metalloproteinases-like, OB-fold
- Alpha-macroglobulin, receptor-binding
- Alpha-macroglobulin, receptor-binding domain superfamily
19 more domains
Structure analysis Details
Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-133310 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (12 distinct):
Ligands and Environments
No modified residues
Experiments and Validation Details
X-ray source:
ESRF BEAMLINE ID14-4
Spacegroup:
P21
Expression systems:
- Homo sapiens
- Escherichia coli BL21(DE3)