SMTL ID : 2xwb.1 (3 other biounits)

Crystal Structure of Complement C3b in complex with Factors B and D

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.49 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

2 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: 3 residues within 4Å: Chain A: N.63, K.480, A.481 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 2 residues within 4Å: Chain B: M.187, N.188 No protein-ligand interaction detected (PLIP)

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

NAG-NAG-BMA.3: 2 residues within 4Å: Chain C: A.107, N.108 No protein-ligand interaction detected (PLIP)

2 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 4 residues within 4Å: Chain A: P.505, D.532, V.533, D.535 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.532, A:D.532, A:V.533, A:D.535, A:D.535 MG.5: 5 residues within 4Å: Chain B: N.912 Chain C: S.244, S.246, T.319, L.357 5 PLIP interactions: 3 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:S.244, C:S.246, C:T.319, H2O.1, H2O.1

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

NAG.6: 2 residues within 4Å: Chain C: Y.86, N.88 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:Y.86, C:N.88 NAG.7: 2 residues within 4Å: Chain C: N.344, N.383 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.383

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.8: 8 residues within 4Å: Chain D: D.116, V.117, V.148, L.149, D.150, R.151, M.169, C.170 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:D.116, D:D.116, D:V.117, D:V.117, D:R.151, D:C.170

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Forneris, F. et al., Structures of C3B in Complex with Factors B and D Give Insight Into Complement Convertase Formation. Science (2010)

Release Date

2011-01-12

Peptides

COMPLEMENT C3B BETA CHAIN: A
COMPLEMENT C3B ALPHA' CHAIN: B
COMPLEMENT FACTOR B: C
COMPLEMENT FACTOR D: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
F

D
J

COMPLEMENT C3B BETA CHAIN

COMPLEMENT C3B ALPHA' CHAIN

COMPLEMENT FACTOR B

COMPLEMENT FACTOR D

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