2a74

X-ray diffraction
2.4Å resolution

Human Complement Component C3c

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Complement C3 beta chain Chains: A, D
Molecule details ›
Chains: A, D
Length: 643 amino acids
Theoretical weight: 71.27 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P01024 (Residues: 23-665; 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: 188 amino acids
Theoretical weight: 21.52 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P01024 (Residues: 749-936; Coverage: 12%)
Gene names: C3, CPAMD1
Sequence domains: Alpha-2-macroglobulin family
Structure domains:
Complement C3c alpha' chain fragment 2 Chains: C, F
Molecule details ›
Chains: C, F
Length: 343 amino acids
Theoretical weight: 39.54 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P01024 (Residues: 1321-1663; Coverage: 21%)
Gene names: C3, CPAMD1
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P21212
Unit cell:
a: 126.866Å b: 246.863Å c: 87.383Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.217 0.215 0.275