2doh

X-ray diffraction
2.3Å resolution

The X-ray crystallographic structure of the angiogenesis inhibitor, angiostatin, bound a to a peptide from the group A streptococcal surface protein PAM

Released:

Function and Biology Details

Reaction catalysed:
Preferential cleavage: Lys-|-Xaa > Arg-|-Xaa, higher selectivity than trypsin. Converts fibrin into soluble products.
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133233 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Angiostatin Chain: X
Molecule details ›
Chain: X
Length: 234 amino acids
Theoretical weight: 26.76 KDa
Source organism: Homo sapiens
Expression system: Komagataella pastoris
UniProt:
  • Canonical: P00747 (Residues: 100-333; Coverage: 30%)
Gene name: PLG
Sequence domains: Kringle domain
Structure domains: Plasminogen Kringle 4
Plasminogen-binding group A streptococcal M-like protein PAM Chain: C
Molecule details ›
Chain: C
Length: 30 amino acids
Theoretical weight: 3.62 KDa
Source organism: Streptococcus pyogenes
Expression system: Not provided
UniProt:
  • Canonical: P49054 (Residues: 85-113; Coverage: 8%)
Gene names: emm, pam
Sequence domains: Plasminogen (Pg) ligand in fibrinolytic pathway

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P6122
Unit cell:
a: 58.377Å b: 58.377Å c: 391.033Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.215 0.21 0.26
Expression systems:
  • Komagataella pastoris
  • Not provided