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2XRC

Human complement factor I

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
HUMAN COMPLEMENT FACTOR Ipolymer56563537.44UniProt (P05156)
Pfam (PF21286)
Pfam (PF21287)
Pfam (PF00530)
Pfam (PF00057)
Pfam (PF00089)
HOMO SAPIENS (HUMAN)C3B/C4B INACTIVATOR, COMPLEMENT FACTOR I HEAVY CHAIN, COMPLEMENT FACTOR I LIGHT CHAIN, KAF
2BA, CA, E, F, M...
(D, A, B, C)
CALCIUM IONnon-polymer40.18Chemie (CA)
3AA, DA, EA, FA, G...
(C, D, A, B)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.222Chemie (NAG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight254149.4
Non-Polymers*Number of molecules30
Total formula weight5187.2
All*Total formula weight259336.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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