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2QKI

Human C3c in complex with the inhibitor compstatin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, D
(A, D)
Complement C3polymer64371267.22UniProt (P01024)
Pfam (PF17790)
Pfam (PF01835)
Pfam (PF17791)
Pfam (PF17789)
Pfam (PF07703)
Homo sapiens (human)
2B, E
(B, E)
Complement C3polymer18821521.82UniProt (P01024)
Pfam (PF00207)
Homo sapiens (human)
3C, F
(C, F)
Complement C3polymer34339537.42UniProt (P01024)
Pfam (PF21308)
Pfam (PF07677)
Pfam (PF01759)
Homo sapiens (human)
4G, H
(G, H)
compstatinpolymer151600.82
5I, J
(I, J)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.42In PDB
GlyTouCan (G42666HT)
6CA, FA, GA, IB, K
(C, D, F, A)
POTASSIUM IONnon-polymer39.15Chemie (K)
7AA, DA, DB, EB, FB...
(B, C, E, D, F...)
BROMIDE IONnon-polymer79.932Chemie (BR)
8AB, BA, BB, CB, EA...
(D, B, C, E, F...)
GLYCEROLnon-polymer92.118Chemie (GOL)
9NB, OB, PB, QB, RB...
(A, B, C, D, E...)
waterwater18.0471Chemie (HOH)
Sequence modifications
A, D: 1 - 643 (UniProt: P01024)
PDBExternal DatabaseDetails
Leu 292Pro 292SEE REMARK 999
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight267854.4
BranchedNumber of molecules2
Total formula weight848.8
Non-Polymers*Number of molecules55
Total formula weight4410.1
All*Total formula weight273113.4
*Water molecules are not included.

249697

PDB entries from 2026-02-25

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