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1C3D

X-RAY CRYSTAL STRUCTURE OF C3D: A C3 FRAGMENT AND LIGAND FOR COMPLEMENT RECEPTOR 2

Functional Information from GO Data
ChainGOidnamespacecontents
A0005615cellular_componentextracellular space
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 295
ChainResidue
ATHR13
APRO14
ASER15
AGLN20
AGLY24
AHOH360

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 296
ChainResidue
AVAL131
AGLN134
AILE137
AHOH400
ATRP84
AGLU127
APRO130

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 297
ChainResidue
AGLN191
ALYS216
ATHR220
AHOH372

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 298
ChainResidue
AILE23
APRO27
AGLY271
AGLY272
AHOH310
AHOH328
AHOH348

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 299
ChainResidue
AVAL97
AASN98
ALEU99
AILE100
AARG226
ATRP262
AHOH390

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsCROSSLNK: Isoglutamyl cysteine thioester (Cys-Gln)
ChainResidueDetails
AALA17
AGLN20

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1d8d
ChainResidueDetails
AALA285

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1d8d
ChainResidueDetails
AALA17
AGLN20

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PDB entries from 2025-06-18

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