4EST

CRYSTAL STRUCTURE OF THE COVALENT COMPLEX FORMED BY A PEPTIDYL ALPHA,ALPHA-DIFLUORO-BETA-KETO AMIDE WITH PORCINE PANCREATIC ELASTASE AT 1.78-ANGSTROMS RESOLUTION


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.78 Å
  • R-Value Work: 0.160 

wwPDB Validation   3D Report Full Report


This is version 2.0 of the entry. See complete history


Literature

Crystal Structure of the Covalent Complex Formed by a Peptidyl Alpha,Alpha-Difluoro-Beta-Keto Amide with Porcine Pancreatic Elastase at 1.78-Angstroms Resolution

Takahashi, L.H.Radhakrishnan, R.Rosenfieldjunior, R.E.Meyerjunior, E.F.Trainor, D.A.

(1989) J Am Chem Soc 111: 3368


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
ELASTASEA [auth E]240Sus scrofaMutation(s): 0 
Gene Names: CELA1ELA1
EC: 3.4.21.36
UniProt
Find proteins for P00772 (Sus scrofa)
Explore P00772 
Go to UniProtKB:  P00772
Protein Feature View
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  • Reference Sequence
  • Find similar proteins by:  Sequence   |   Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
INHIBITOR ACE-ALA-PRO-VAI-DIFLUORO-N-PHENYLETHYLACETAMIDEB [auth I]6N/AMutation(s): 0 
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth E]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
CA
Query on CA

Download Ideal Coordinates CCD File 
D [auth E]CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
VAI
Query on VAI
B [auth I]PEPTIDE-LIKEC5 H13 N O2VAL
Biologically Interesting Molecules (External Reference) 1 Unique
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.78 Å
  • R-Value Work: 0.160 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.24α = 90
b = 58.17β = 90
c = 75.54γ = 90
Software Package:
Software NamePurpose
EREFrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1992-04-15
    Type: Initial release
  • Version 1.1: 2008-03-10
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
  • Version 1.3: 2012-12-12
    Changes: Other
  • Version 1.4: 2013-09-18
    Changes: Structure summary
  • Version 2.0: 2018-10-03
    Changes: Data collection, Polymer sequence