SMTL ID : 2qki.1 (1 other biounit)

Human C3c in complex with the inhibitor compstatin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 5 residues within 4Å: Chain A: T.19, N.63, L.479, K.480, A.481 No protein-ligand interaction detected (PLIP)

2 x K: POTASSIUM ION(Non-covalent)

K.2: 4 residues within 4Å: Chain A: P.505, D.532, V.533, D.535 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:P.505, A:D.532, A:V.533, A:D.535 K.20: 3 residues within 4Å: Chain C: A.102, G.104, R.107 4 PLIP interactions: 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:A.102, C:G.104, C:R.107, H2O.7

12 x BR: BROMIDE ION(Non-covalent)

BR.3: 4 residues within 4Å: Chain A: D.535, S.536, Q.591, W.595 Ligand excluded by PLIP BR.4: 3 residues within 4Å: Chain A: N.162, Q.163, L.164 Ligand excluded by PLIP BR.5: 4 residues within 4Å: Chain A: N.147, V.177, N.178, W.182 Ligand excluded by PLIP BR.6: 5 residues within 4Å: Chain A: M.473, K.475, G.476, D.602, I.603 Ligand excluded by PLIP BR.7: 2 residues within 4Å: Chain A: T.500, T.501 Ligand excluded by PLIP BR.8: 3 residues within 4Å: Chain A: V.214, E.320, R.321 Ligand excluded by PLIP BR.9: 4 residues within 4Å: Chain A: D.458, R.459 Chain D: D.7, W.8 Ligand excluded by PLIP BR.10: 3 residues within 4Å: Chain A: K.464, L.515, I.516 Ligand excluded by PLIP BR.16: 1 residues within 4Å: Chain A: K.562 Ligand excluded by PLIP BR.17: 3 residues within 4Å: Chain B: E.18, P.20, K.48 Ligand excluded by PLIP BR.18: 2 residues within 4Å: Chain B: I.45, F.46 Ligand excluded by PLIP BR.21: 3 residues within 4Å: Chain C: D.136, D.137, C.138 Ligand excluded by PLIP

7 x GOL: GLYCEROL(Non-functional Binders)

GOL.11: 5 residues within 4Å: Chain A: L.108, F.109, I.110, F.196, S.197 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:L.108, A:I.110, A:I.110, A:S.197 GOL.12: 12 residues within 4Å: Chain A: Y.424, S.425, T.426, V.427, S.430, N.432, E.523, V.524, V.525, A.526, D.612, Y.613 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:Y.424, A:S.425, A:V.427, A:N.432, A:E.523, A:A.526, A:Y.613 GOL.13: 9 residues within 4Å: Chain A: I.110, Q.111, T.112, K.114, T.198, E.199, N.587, K.588, L.589 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:I.110, A:T.112, A:E.199 Water bridges: A:T.112, A:T.112, A:L.589 GOL.14: 3 residues within 4Å: Chain A: P.393, N.431, R.456 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.456, A:R.456 GOL.15: 5 residues within 4Å: Chain A: S.536, C.537, V.538, G.539, S.540 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.536, A:S.536 Water bridges: A:C.537, A:C.537 GOL.19: 6 residues within 4Å: Chain A: P.555, G.556 Chain B: V.14, S.15, R.16, D.49 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:V.14, B:S.15, A:P.555 Water bridges: B:R.16 GOL.22: 5 residues within 4Å: Chain C: R.228, A.244, I.245, E.246, G.259 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Janssen, B.J. et al., Structure of compstatin in complex with complement component C3c reveals a new mechanism of complement inhibition. J.Biol.Chem. (2007)

Release Date

2007-08-14

Peptides

Complement C3: A
Complement C3: B
Complement C3: C
compstatin: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
G

Complement C3

Complement C3

Complement C3

compstatin

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