SMTL ID : 4lmf.5 (5 other biounits)

C1s CUB1-EGF-CUB2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.92 Å

Oligo State

homo-dimer

Ligands

2 x NA: SODIUM ION(Non-functional Binders)

NA.1: 8 residues within 4Å: Chain A: S.9, P.10, N.11, Y.12, Q.14, Y.16, T.105, G.106 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.105 NA.5: 8 residues within 4Å: Chain B: S.9, P.10, N.11, Y.12, Q.14, Y.16, T.105, G.106 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Q.14

6 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: E.44, D.52, D.97, S.99, N.100 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:E.44, A:D.52, A:D.97, A:S.99 CA.3: 7 residues within 4Å: Chain A: D.115, I.116, E.118, N.133, F.134, G.136, G.137 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.115, A:I.116, A:E.118, A:F.134, A:G.137 CA.4: 6 residues within 4Å: Chain A: E.210, D.220, D.259, T.261, G.262, Q.263 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.210, A:D.220, A:D.259, A:T.261, A:G.262 CA.6: 5 residues within 4Å: Chain B: E.44, D.52, D.97, S.99, N.100 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:E.44, B:D.52, B:D.97, B:S.99 CA.7: 6 residues within 4Å: Chain B: D.115, I.116, E.118, N.133, F.134, G.137 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.115, B:D.115, B:I.116, B:E.118, B:F.134 CA.8: 6 residues within 4Å: Chain B: E.210, D.220, D.259, T.261, G.262, Q.263 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:E.210, B:D.220, B:D.259, B:T.261, B:G.262

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Venkatraman Girija, U. et al., Structural basis of the C1q/C1s interaction and its central role in assembly of the C1 complex of complement activation. Proc.Natl.Acad.Sci.USA (2013)

Release Date

2013-08-07

Peptides

Complement C1s subcomponent heavy chain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

Complement C1s subcomponent heavy chain

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