1OKX	Hydrolase Hydrolase Inhibitor	date	Jul 31, 2003
title	Binding Structure Of Elastase Inhibitor Scyptolin A
authors	U.Matern, C.Schleberger, S.Jelakovic, J.Weckesser, G.E.Schulz
compound		source
Molecule: Elastase 1 Chain: A, B Synonym: Ela1 Ec: 3.4.21.36		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823 Organ: Pancreas
Molecule: Scyptolin A Chain: C, D		Organism_scientific: Scytonema Hofmanni Organism_taxid: 34078 Strain: Pcc7110
symmetry	Space Group: P 6 2 2	R_factor 0.210 R_Free 0.260
crystal cell	length a length b length c angle alpha angle beta angle gamma 155.890 155.890 91.030 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	1BO, CNT, SUJ	enzyme	Hydrolase E.C.3.4.21.36 BRENDA
related structures	by homologous chain: 2EST
Gene Ontology	Chain Function Process Component A, B
Primary reference	Binding structure of elastase inhibitor scyptolin A., Matern U, Schleberger C, Jelakovic S, Weckesser J, Schulz GE, Chem Biol 2003 Oct;10(10):997-1001. PMID:14583266

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk] Biological Unit Coordinates (1okx.pdb1.gz) 37 Kb Biological Unit Coordinates (1okx.pdb2.gz) 37 Kb LPC: Ligand-Protein Contacts for 1OKX CSU: Contacts of Structural Units for 1OKX Likely Quarternary Molecular Structure file(s) for 1OKX Structure Factors (149 Kb) Retrieve 1OKX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OKX from S2C, [Save to disk] Re-refined 1okx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OKX 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 1OKX

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 1OKX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1okxa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1okxb_, region B [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: [1okx_C] [1okx] [1okx_A] [1okx_D] [1okx_B] SWISS-PROT database: [P00772] Domain organization of [CELA1_PIG] by SWISSPFAM Domain found in 1OKX: [Tryp_SPc ] by SMART

Other resources with information on 1OKX

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

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