Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4HW5

Crystal Structure of the Human C3a anaphylatoxin

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0006954biological_processinflammatory response
A0006956biological_processcomplement activation
B0005576cellular_componentextracellular region
B0006954biological_processinflammatory response
B0006956biological_processcomplement activation
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 801
ChainResidue
AARG704
BASN701
BTHR732
BARG735
BHOH908

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 801
ChainResidue
AASN701
ATHR732
AHOH906
BARG704

Functional Information from PROSITE/UniProt
site_idPS01177
Number of Residues36
DetailsANAPHYLATOXIN_1 Anaphylatoxin domain signature. CCedGmrenpmrfSCQrrtrfisl.GeaCkkvfld.CC
ChainResidueDetails
ACYS693-CYS728

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues70
DetailsDomain: {"description":"Anaphylatoxin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00022","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsSite: {"description":"(Microbial infection) Cleavage; by N.meningitidis NalP","evidences":[{"source":"PubMed","id":"24367091","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Cleavage; by carboxypeptidases","evidences":[{"source":"PubMed","id":"4098172","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"6968751","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by FAM20C","evidences":[{"source":"PubMed","id":"26091039","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

PDB statisticsPDBj update infoContact PDBjnumon