4BY3 Hydrolase date Jul 17, 2013
title Crystal Structure Of The Dihydroorotase Domain Of Human Cad In Apo-Form Obtained Recombinantly From E. Coli.
authors S.Ramon-Maiques, N.Lallous, A.Grande-Garcia
compound source
Molecule: Dihydroorotase
Chain: A
Fragment: Residues 1456-1846
Synonym: Cad Protein
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: Rosetta Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Popin-M
symmetry Space Group: C 2 2 21
R_factor 0.1257 R_Free 0.1362
length a length b length c angle alpha angle beta angle gamma
82.120 159.320 61.510 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.73 Å
ligand FMT, KCX, ZN enzyme Hydrolase E.C. BRENDA

Primary referenceStructure, Functional Characterization, and Evolution of the Dihydroorotase Domain of Human CAD., Grande-Garcia A, Lallous N, Diaz-Tejada C, Ramon-Maiques S, Structure. 2013 Dec 10. pii: S0969-2126(13)00428-0. doi:, 10.1016/j.str.2013.10.016. PMID:24332717
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (199 Kb) [Save to disk]
  • Biological Unit Coordinates (4by3.pdb1.gz) 385 Kb
  • LPC: Ligand-Protein Contacts for 4BY3
  • CSU: Contacts of Structural Units for 4BY3
  • Structure Factors (524 Kb)
  • Retrieve 4BY3 in mmCIF format [Save to disk]
  • Re-refined 4by3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4BY3 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 4BY3
  • 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 4BY3, from MSDmotif at EBI
  • Fold representative 4by3 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4by3] [4by3_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4BY3
  • Community annotation for 4BY3 at PDBWiki (http://pdbwiki.org)

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