1bui

X-ray diffraction
2.65Å resolution

Structure of the ternary microplasmin-staphylokinase-microplasmin complex: a proteinase-cofactor-substrate complex in action

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-133238 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Plasmin light chain B Chains: A, B
Molecule details ›
Chains: A, B
Length: 250 amino acids
Theoretical weight: 27.34 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P00747 (Residues: 561-810; Coverage: 32%)
Gene name: PLG
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Staphylokinase Chain: C
Molecule details ›
Chain: C
Length: 128 amino acids
Theoretical weight: 14.6 KDa
Source organism: Staphylococcus phage 42D.m
UniProt:
  • Canonical: P15240 (Residues: 38-163; Coverage: 93%)
Gene name: sak
Sequence domains: Staphylokinase/Streptokinase family
Structure domains: Ubiquitin-like (UB roll)

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P43212
Unit cell:
a: 76.14Å b: 76.14Å c: 324.03Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.204 0.204 0.287
Expression system: Escherichia coli