1ENT

X-RAY ANALYSES OF ASPARTIC PROTEINASES. THE THREE-DIMENSIONAL STRUCTURE AT 2.1 ANGSTROMS RESOLUTION OF ENDOTHIAPEPSIN

Structural Biology Knowledgebase: 1ENT SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.170

Literature

Macromolecules
Sequence Display for 1ENT

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 34670.05

Macromolecule Entities
Molecule Chains Length Organism Details
ENDOTHIAPEPSIN E 330 Cryphonectria parasitica EC#: 3.4.23.22 IUBMB
Gene Name(s): EAPA EPN-1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0EM
Query on 0EM

N-(tert-butoxycarbonyl)-L-phenylalanyl-N- {(1S)-1-[(R)-hydroxy(2-{[(2S)-2-methylbutyl]amino}- 2-oxoethyl)phosphoryl]-3-methylbutyl}-3-(1H- imidazol-3-ium-4-yl)-L-alaninamide
328, (Synonym)
C32 H52 N6 O7 P
ZQDBBPUTYSTPQE-DYYCDWSUSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
0EM N/A in BindingDB
Ki: 110 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.170
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 43.00 α = 90.00
b = 75.70 β = 97.10
c = 42.90 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1992-03-11
  • Released Date: 1994-01-31
  • Deposition author(s): Blundell, T.L., Dealwis, C.G.

Revision History

  • 2012-12-12
    Type: Other | Details: Add PRD info
  • 2011-07-13
    Type: Linkage | Details: Linkage
  • 2011-07-13
    Type: Sequence database correspondence | Details: Sequence database correspondence
  • 2011-07-13
    Type: Polymer description | Details: Changed inhibitor presentation or chemistry
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Atom nomenclature | Details: Atom nomenclature
  • 2011-07-13
    Type: Binding sites and description | Details: Binding sites and description
  • 2011-07-13
    Type: Non-polymer description | Details: Non-polymer description
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords