5EST	Hydrolase Hydrolase Inhibitor	date	May 15, 1989
title	Crystallographic Analysis Of The Inhibition Of Porcine Pancr Elastase By A Peptidyl Boronic Acid: Structure Of A Reactio Intermediate
authors	L.H.Takahashi, R.Radhakrishnan, R.E.Rosenfieldjunior, E.F.Meyer
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
symmetry	Space Group: P 21 21 21	R_factor 0.150 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.280 57.560 75.410 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.09 Å
ligand	0P2, CA, SO4	enzyme	Hydrolase E.C.3.4.21.36 BRENDA
related structures	by homologous chain: 1ELB, 1HB0
Gene Ontology	Chain Function Process Component E
Primary reference	Crystallographic analysis of the inhibition of porcine pancreatic elastase by a peptidyl boronic acid: structure of a reaction intermediate., Takahashi LH, Radhakrishnan R, Rosenfield RE Jr, Meyer EF Jr, Biochemistry 1989 Sep 19;28(19):7610-7. PMID:2611205

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (5est.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 5EST CSU: Contacts of Structural Units for 5EST Likely Quarternary Molecular Structure file(s) for 5EST Structure Factors (64 Kb) Retrieve 5EST in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5EST from S2C, [Save to disk] Re-refined 5est structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5EST 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 5EST

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 5EST, from MSDmotif at EBI Genome occurence of 5EST's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d5este_, 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: [5est_E] [5est] [5est_I] SWISS-PROT database: [P00772] Domain organization of [CELA1_PIG] by SWISSPFAM Domain found in 5EST: [Tryp_SPc ] by SMART

Other resources with information on 5EST

Community annotation for 5EST at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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