4EST Hydrolase Hydrolase Inhibitor date May 15, 1989
title Crystal Structure Of The Covalent Complex Formed By A Peptid Alpha-Difluoro-Beta-Keto Amide With Porcine Pancreatic Elas 1.78-Angstroms Resolution
authors L.H.Takahashi, R.Radhakrishnan, R.E.Rosenfieldjunior, E.F.Meyer D.A.Trainor
compound source
Molecule: Elastase
Chain: E
Ec: 3.4.21.36
Engineered: Yes
 Organism_scientific: Sus Scrofa
Organism_common: Pig
Organism_taxid: 9823
Tissue: Pancreas

Molecule: Inhibitor Ace-Ala-Pro-Vai-Difluoro-N-Phenylethyla
Chain: I
Engineered: Yes
Synthetic: Yes
symmetry Space Group: P 21 21 21
R_factor 0.160 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
51.240 58.170 75.540 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.78 Å
ligand ACE, CA, FPA, PEA, SO4, VAI enzyme Hydrolase E.C.3.4.21.36 BRENDA
related structures by homologous chain: 1E37, 8EST
Gene
Ontology
ChainFunctionProcessComponent
E


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk]
  • Biological Unit Coordinates (4est.pdb1.gz) 41 Kb
  • LPC: Ligand-Protein Contacts for 4EST
  • CSU: Contacts of Structural Units for 4EST
  • Likely Quarternary Molecular Structure file(s) for 4EST
  • Structure Factors (103 Kb)
  • Retrieve 4EST in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4EST from S2C, [Save to disk]
  • Re-refined 4est structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 4EST in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
    • Visual 3D analysis of 4EST
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4EST, from MSDmotif at EBI
  • Genome occurence of 4EST's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d4este_, region E [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4est_I] [4est] [4est_E]
  • SWISS-PROT database: [P00772]
  • Domain organization of [CELA1_PIG] by SWISSPFAM
  • Domain found in 4EST: [Tryp_SPc ] by SMART
    • Other resources with information on 4EST
  • Community annotation for 4EST at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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