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
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
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 Diffractionresolution 2.80 Å
ligand 1BO, CNT, SUJ enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 2EST
A, B

Primary referenceBinding 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] (81 Kb) [Save to disk]
  • Biological Unit Coordinates (1okx.pdb1.gz) 38 Kb
  • Biological Unit Coordinates (1okx.pdb2.gz) 38 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
  • 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 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]
  • Fold representative 1okx 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: [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)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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