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9U5Z

C3 convertases zymogen C4b2 in activation state

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
Complement C2polymer75283363.81UniProt (P06681)
Pfam (PF00084)
Pfam (PF00092)
Pfam (PF00089)
Homo sapiens (human)C3/C5 convertase
2B
(E)
Complement C4-Bpolymer1744192975.21UniProt (P0C0L5)
Pfam (PF01821)
Pfam (PF00207)
Pfam (PF07678)
Pfam (PF22661)
Pfam (PF07677)
Pfam (PF01759)
Pfam (PF21145)
Pfam (PF01835)
Pfam (PF17791)
Pfam (PF17789)
Pfam (PF07703)
Homo sapiens (human)Basic complement C4,C3 and PZP-like alpha-2-macroglobulin domain-containing protein 3
3C
(B)
NICKEL (II) IONnon-polymer58.71Chemie (NI)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight276339.0
Non-Polymers*Number of molecules1
Total formula weight58.7
All*Total formula weight276397.6
*Water molecules are not included.

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PDB entries from 2026-01-28

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