SMTL ID : 4lor.1

C1s CUB1-EGF-CUB2 in complex with a collagen-like peptide from C1q

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-3-mer

Ligands

3 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: E.44, D.52, D.97, S.99, N.100 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.44, A:D.52, A:D.97, A:S.99, H2O.1 CA.2: 7 residues within 4Å: Chain A: D.115, I.116, E.118, N.133, F.134, G.136, G.137 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.115, A:E.118, A:F.134, A:G.137, H2O.1 CA.3: 5 residues within 4Å: Chain A: E.210, D.220, D.259, T.261, G.262 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.210, A:D.220, A:T.261, A:G.262, H2O.1

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

NA.4: 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:Q.14 NA.5: 8 residues within 4Å: Chain A: S.173, P.174, N.175, Y.176, K.178, Y.180, K.265, G.266 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.265

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

NAG.6: 2 residues within 4Å: Chain A: N.158, D.162 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.162

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: A
collagen-like peptide from C1q: BCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Complement C1s subcomponent heavy chain

collagen-like peptide from C1q

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