1ECY	Protease Inhibitor	date	Aug 06, 1996
title	Protease Inhibitor Ecotin
authors	D.H.Shin, S.W.Suh
compound		source
Molecule: Ecotin Chain: A Engineered: Yes Other_details: Escherichia Coli Protease Inhibitor		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pbs Expression_system_gene: Eti Gene
symmetry	Space Group: P 43 21 2	R_factor 0.213 R_Free 0.319
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.320 63.320 84.130 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.19 Å
ligand	BGC, GLC	enzyme
related structures	by homologous chain: 1IFG, 1SLX
Gene Ontology	Chain Function Process Component A serine-type endopeptidase in...
Primary reference	Crystal structure analyses of uncomplexed ecotin in two crystal forms: implications for its function and stability., Shin DH, Song HK, Seong IS, Lee CS, Chung CH, Suh SW, Protein Sci 1996 Nov;5(11):2236-47. PMID:8931142

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (39 Kb) [Save to disk] Biological Unit Coordinates (1ecy.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1ECY CSU: Contacts of Structural Units for 1ECY Likely Quarternary Molecular Structure file(s) for 1ECY Structure Factors (79 Kb) Retrieve 1ECY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ECY from S2C, [Save to disk] Re-refined 1ecy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ECY 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 1ECY

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 1ECY, from MSDmotif at EBI Genome occurence of 1ECY's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ecy__, region [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: [1ecy] [1ecy_A] SWISS-PROT database: [P23827] Domain organization of [ECOT_ECOLI] by SWISSPFAM

Other resources with information on 1ECY

Community annotation for 1ECY at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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