1ELB

Analogous inhibitors of elastase do not always bind analogously

Structural Biology Knowledgebase: 1ELB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed: 0.150

Literature

Macromolecules
Sequence Display for 1ELB

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 26537.89

Macromolecule Entities
Molecule Chains Length Organism Details
ELASTASE A 240 Sus scrofa EC#: 3.4.21.36 IUBMB
Mutation: D81N
Gene Name(s): CELA1 Gene View ELA1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0Z4
Query on 0Z4

A 6-ammonio-N-(trifluoroacetyl)-L-norleucyl- N-[4-(1-methylethyl)phenyl]-L-leucinamide
C23 H36 F3 N4 O3
OSCPPTDAQZTYFO-OALUTQOASA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
0Z4 N/A in BindingDB
Ki: 70 nM  BindingMOAD
N/A in PDBbind
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000368
Query on PRD_000368
A TRIFLUOROACETYL-L-LYSYL-L-LEUCYL-P-ISOPROPYLANILIDE Peptide-like /
Inhibitor
Ligand Explorer

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed: 0.150
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 50.69 α = 90.00
b = 58.05 β = 90.00
c = 75.25 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-12-07
  • Released Date: 1994-06-22
  • Deposition author(s): Mattos, C., Rasmussen, B., Ding, X., Petsko, G.A., Ringe, D.

Revision History

  • 2012-12-12
    Type: Other | Details: Add PRD info
  • 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
  • 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