1npm

X-ray diffraction
2.1Å resolution

NEUROPSIN, A SERINE PROTEASE EXPRESSED IN THE LIMBIC SYSTEM OF MOUSE BRAIN

Released:

Function and Biology Details

Reaction catalysed:
Cleavage of amide substrates following the basic amino acids Arg or Lys at the P1 position, with a preference for Arg over Lys
Biochemical function:
Biological process:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-178908 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Kallikrein-8 Chains: A, B
Molecule details ›
Chains: A, B
Length: 225 amino acids
Theoretical weight: 24.7 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q61955 (Residues: 33-257; Coverage: 97%)
Gene names: Klk8, Nrpn, Prss19
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: PHOTON FACTORY BEAMLINE BL-18B
Spacegroup: P1
Unit cell:
a: 38.4Å b: 55.16Å c: 65.37Å
α: 95.38° β: 89.98° γ: 110.46°
R-values:
R R work R free
0.186 0.186 0.227
Expression system: Spodoptera frugiperda