X-ray diffraction
1.75Å resolution

Complement factor D in complex with the inhibitor (2S,4S)-4-Amino-pyrrolidine-1,2-dicarboxylic acid 1-[(1-carbamoyl-1H-indol-3-yl)-amide] 2-[(3-trifluoromethoxy-phenyl)-amide]


Function and Biology Details

Reaction catalysed:
Selective cleavage of Arg-|-Lys bond in complement factor B when in complex with complement subcomponent C3b or with cobra venom factor.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Complement factor D Chain: A
Molecule details ›
Chain: A
Length: 232 amino acids
Theoretical weight: 24.74 KDa
Source organism: Homo sapiens
  • Canonical: P00746 (Residues: 26-253; Coverage: 98%)
Gene names: CFD, DF, PFD
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: C2
Unit cell:
a: 78.875Å b: 45.063Å c: 63.716Å
α: 90° β: 117.43° γ: 90°
R R work R free
0.235 0.235 0.297