1JBQ Lyase date Jun 06, 2001
title Structure Of Human Cystathionine Beta-Synthase: A Unique Pyr Phosphate Dependent Hemeprotein
authors M.Meier, M.Janosik, V.Kery, J.P.Kraus, P.Burkhard
compound source
Molecule: Cystathionine Beta-Synthase
Chain: A, B, C, D, E, F
Fragment: The Active Core
Synonym: Cystathionine-Beta-Synthase; Serine Sulfhydrase; B Thionase;
Engineered: Yes
Mutation: Yes
Other_details: Minor Isoform
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Xl1-Blue Mrf
Expression_system_plasmid: Pgex-5x-1hcbsd414-551
symmetry Space Group: P 31
R_factor 0.257 R_Free 0.296
length a length b length c angle alpha angle beta angle gamma
144.520 144.520 108.160 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.60 Å
ligand HEM, PLP enzyme Lyase E.C. BRENDA
related structures by homologous chain: 1M54
F, A, D, C, E, B

Primary referenceStructure of human cystathionine beta-synthase: a unique pyridoxal 5'-phosphate-dependent heme protein., Meier M, Janosik M, Kery V, Kraus JP, Burkhard P, EMBO J 2001 Aug 1;20(15):3910-6. PMID:11483494
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (349 Kb) [Save to disk]
  • Biological Unit Coordinates (1jbq.pdb1.gz) 117 Kb
  • Biological Unit Coordinates (1jbq.pdb2.gz) 117 Kb
  • Biological Unit Coordinates (1jbq.pdb3.gz) 117 Kb
  • LPC: Ligand-Protein Contacts for 1JBQ
  • CSU: Contacts of Structural Units for 1JBQ
  • Likely Quarternary Molecular Structure file(s) for 1JBQ
  • Structure Factors (727 Kb)
  • Retrieve 1JBQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1JBQ from S2C, [Save to disk]
  • Re-refined 1jbq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1JBQ 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 1JBQ
  • 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 1JBQ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1jbqa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1jbqb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1jbqc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1jbqd_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1jbqe_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1jbqf_, region F [Jmol] [rasmolscript] [script source]
  • Fold representative 1jbq 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: [1jbq_B] [1jbq_C] [1jbq_F] [1jbq] [1jbq_D] [1jbq_E] [1jbq_A]
  • SWISS-PROT database: [P35520]
  • Domain organization of [CBS_HUMAN] by SWISSPFAM
  • Other resources with information on 1JBQ
  • Community annotation for 1JBQ 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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