3ohx

X-ray diffraction
3.5Å resolution

Molecular Basis for Complement Recognition and Inhibition Determined by Crystallographic Studies of the Staphylococcal Complement Inhibitor (SCIN) Bound to C3c and C3b

Released:
Model geometry
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Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-133825 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Complement C3 beta chain Chains: A, D
Molecule details ›
Chains: A, D
Length: 645 amino acids
Theoretical weight: 71.39 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P01024 (Residues: 23-667; Coverage: 39%)
Gene names: C3, CPAMD1
Sequence domains:
Structure domains:
Complement C3c alpha' chain fragment 1 Chains: B, E
Molecule details ›
Chains: B, E
Length: 206 amino acids
Theoretical weight: 23.62 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P01024 (Residues: 749-954; Coverage: 13%)
Gene names: C3, CPAMD1
Sequence domains:
Structure domains:
Complement C3c alpha' chain fragment 2 Chains: C, F
Staphylococcal complement inhibitor Chains: M, P

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: APS BEAMLINE 22-BM
Spacegroup: P21212
Unit cell:
a: 231.159Å b: 231.497Å c: 68.885Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.275 0.274 0.294
Expression system: Escherichia coli