1EAS Hydrolase (Serine Protease) date Nov 22, 1994
title Nonpeptidic Inhibitors Of Human Leukocyte Elastase. 3. Desig Synthesis, X-Ray Crystallographic Analysis, And Structure-A Relationships For A Series Of Orally Active 3-Amino-6-Pheny 2-One Trifluoromethyl Ketones
authors C.Ceccarelli
compound source
Molecule: Porcine Pancreatic Elastase
Chain: A
Engineered: Yes
Organism_scientific: Sus Scrofa
Organism_common: Pig
Organism_taxid: 9823
symmetry Space Group: P 21 21 21
R_factor 0.183 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
51.950 57.730 75.560 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand NA, SO4, TFK enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1ELA, 1MCV

Primary referenceNonpeptidic inhibitors of human leukocyte elastase. 3. Design, synthesis, X-ray crystallographic analysis, and structure-activity relationships for a series of orally active 3-amino-6-phenylpyridin-2-one trifluoromethyl ketones., Bernstein PR, Andisik D, Bradley PK, Bryant CB, Ceccarelli C, Damewood JR Jr, Earley R, Edwards PD, Feeney S, Gomes BC, et al., J Med Chem 1994 Sep 30;37(20):3313-26. PMID:7932559
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk]
  • Biological Unit Coordinates (1eas.pdb1.gz) 43 Kb
  • LPC: Ligand-Protein Contacts for 1EAS
  • CSU: Contacts of Structural Units for 1EAS
  • Likely Quarternary Molecular Structure file(s) for 1EAS
  • Structure Factors (136 Kb)
  • Retrieve 1EAS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EAS from S2C, [Save to disk]
  • Re-refined 1eas structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1EAS 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 1EAS
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1EAS, from MSDmotif at EBI
  • Genome occurence of 1EAS's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1eas__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 1eas from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1eas] [1eas_A]
  • SWISS-PROT database: [P00772]
  • Domain organization of [CELA1_PIG] by SWISSPFAM
  • Domain found in 1EAS: [Tryp_SPc ] by SMART
  • Other resources with information on 1EAS
  • Community annotation for 1EAS 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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