1HPG

A glutamic acid specific serine protease utilizes a novel histidine triad in substrate binding


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Observed: 0.181

Literature

Macromolecules
Sequence Display for 1HPG

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 18766.41

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamic acid specific protease A 187 Streptomyces griseus EC#: 3.4.21.82 IUBMB
Gene Name(s): sprE
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
BOC-ALA-ALA-PRO-GLU PEPTIDE B 5 synthetic

Small Molecules
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000393
Query on PRD_000393
B N-(tert-butoxycarbonyl)-L-alanyl-L-alanyl-L-prolyl-L-glutamic acid Peptide-like /
Inhibitor
Ligand Explorer

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Observed: 0.181
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 77.26 α = 90.00
b = 36.29 β = 101.80
c = 51.22 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-04-28
  • Released Date: 1995-07-10
  • Deposition author(s): Nienaber, V.L., Birktoft, J.J.

Revision History

  • Version 1_0: 1995-07-10

    Type: Initial release

  • Version 1_1: 2008-03-03

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance

  • Version 1_3: 2012-12-12

    Type: Other