1IBT Lyase date Mar 29, 2001
title Structure Of The D53,54n Mutant Of Histidine Decarboxylase A
authors S.Worley, E.Schelp, A.F.Monzingo, S.Ernst, J.D.Robertus
compound source
Molecule: Histidine Decarboxylase Beta Chain
Chain: A, C, E
Fragment: Beta Chain (Residues 1-81)
Synonym: Pi Chain
Ec: 4.1.1.22
Engineered: Yes
Mutation: Yes
Organism_scientific: Lactobacillus Sp.
Organism_taxid: 1593
Strain: 30a
Gene: Hdca
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Histidine Decarboxylase Alpha Chain
Chain: B, D, F
Fragment: Alpha Chain (Residues 82-310)
Ec: 4.1.1.22
Engineered: Yes

Organism_scientific: Lactobacillus Sp.
Organism_taxid: 1593
Strain: 30a
Gene: Hdca
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 2 2 21
R_factor 0.260 R_Free 0.316
crystal
cell
length a length b length c angle alpha angle beta angle gamma
96.200 115.309 202.386 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand PYR enzyme Lyase E.C.4.1.1.22 BRENDA
related structures by homologous chain: 1HQ6, 1IBV
Gene
Ontology
ChainFunctionProcessComponent
A, C, E


F, D, B


Primary referenceStructure and cooperativity of a T-state mutant of histidine decarboxylase from Lactobacillus 30a., Worley S, Schelp E, Monzingo AF, Ernst S, Robertus JD, Proteins 2002 Feb 15;46(3):321-9. PMID:11835507
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (150 Kb) [Save to disk]
  • Biological Unit Coordinates (1ibt.pdb1.gz) 284 Kb
  • Biological Unit Coordinates (1ibt.pdb2.gz) 144 Kb
  • LPC: Ligand-Protein Contacts for 1IBT
  • CSU: Contacts of Structural Units for 1IBT
  • Likely Quarternary Molecular Structure file(s) for 1IBT
  • Structure Factors (233 Kb)
  • Retrieve 1IBT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IBT from S2C, [Save to disk]
  • Re-refined 1ibt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1IBT 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 1IBT
  • 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 1IBT, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ibt.1, region A:,B [Jmol] [rasmolscript] [script source]
        - Domain d1ibt.2, region C:,D [Jmol] [rasmolscript] [script source]
        - Domain d1ibt.3, region E:,F [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: [1ibt_B] [1ibt_E] [1ibt_F] [1ibt_A] [1ibt] [1ibt_C] [1ibt_D]
  • SWISS-PROT database: [P00862]
  • Domain organization of [DCHS_LACS3] by SWISSPFAM
  • Other resources with information on 1IBT
  • Community annotation for 1IBT 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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