1EP9 Transferase date Mar 28, 2000
title Human Ornithine Transcarbamylase: Crystallographic Insights Substrate Recognition And Conformational Change
authors D.Shi, H.Morizono, X.Yu, N.M.Allewell, M.Tuchman
compound source
Molecule: Ornithine Transcarbamylase
Chain: A
Synonym: Otcase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pet 21a+
symmetry Space Group: P 21 3
R_factor 0.184 R_Free 0.223
length a length b length c angle alpha angle beta angle gamma
125.600 125.600 125.600 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand CP enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1C9Y, 1FVO

Primary referenceHuman ornithine transcarbamylase: crystallographic insights into substrate recognition and conformational changes., Shi D, Morizono H, Yu X, Tong L, Allewell NM, Tuchman M, Biochem J 2001 Mar 15;354(Pt 3):501-9. PMID:11237854
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk]
  • Biological Unit Coordinates (1ep9.pdb1.gz) 161 Kb
  • LPC: Ligand-Protein Contacts for 1EP9
  • CSU: Contacts of Structural Units for 1EP9
  • Likely Quarternary Molecular Structure file(s) for 1EP9
  • Structure Factors (121 Kb)
  • Retrieve 1EP9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EP9 from S2C, [Save to disk]
  • Re-refined 1ep9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1EP9 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 1EP9
  • 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 1EP9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ep9a2, region A:185-354 [Jmol] [rasmolscript] [script source]
        - Domain d1ep9a1, region A:35-184 [Jmol] [rasmolscript] [script source]
  • Fold representative 1ep9 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: [1ep9_A] [1ep9]
  • SWISS-PROT database: [P00480]
  • Domain organization of [OTC_HUMAN] by SWISSPFAM
  • Other resources with information on 1EP9
  • Community annotation for 1EP9 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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