1L4E Transferase date Mar 06, 2002
title The Crystal Structure Of Cobt Complexed With Alpha-Ribazole- Phosphate
authors C.G.Cheong, J.Escalante-Semerena, I.Rayment
compound source
Molecule: Nicotinate-Nucleotide--Dimethylbenzimidazole Phosphoribosyltransferase;
Chain: A
Synonym: Cobt; Nn:Dbi Prt; N1-Alpha-Phosphoribosyltransfera
Nicotinate Mononucleotide: 5,6-Dimethylbenzimidazole Phosphoribosyltransferase;
Ec: 2.4.2.21
Engineered: Yes
Organism_scientific: Salmonella Enterica
Organism_taxid: 28901
Gene: Cobt
Expression_system: Salmonella Enterica
Expression_system_taxid: 28901
Expression_system_strain: Je2461
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pt7-5
symmetry Space Group: P 21 21 2
R_factor 0.180 R_Free 0.218
crystal
cell
length a length b length c angle alpha angle beta angle gamma
71.920 89.970 47.610 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand RBZ enzyme Transferase E.C.2.4.2.21 BRENDA
related structures by homologous chain: 1JHV, 1JHX
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCapture of a labile substrate by expulsion of water molecules from the active site of nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT) from Salmonella enterica., Cheong CG, Escalante-Semerena JC, Rayment I, J Biol Chem. 2002 Oct 25;277(43):41120-7. Epub 2002 Jul 5. PMID:12101181
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk]
  • Biological Unit Coordinates (1l4e.pdb1.gz) 101 Kb
  • LPC: Ligand-Protein Contacts for 1L4E
  • CSU: Contacts of Structural Units for 1L4E
  • Likely Quarternary Molecular Structure file(s) for 1L4E
  • Structure Factors (189 Kb)
  • Retrieve 1L4E in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1L4E from S2C, [Save to disk]
  • Re-refined 1l4e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1L4E 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 1L4E
  • 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 1L4E, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1l4ea_, region A [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: [1l4e_A] [1l4e]
  • SWISS-PROT database: [Q05603]
  • Domain organization of [COBT_SALTY] by SWISSPFAM
  • Other resources with information on 1L4E
  • Community annotation for 1L4E 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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