1W23 Transferase date Jun 25, 2004
title Crystal Structure Of Phosphoserine Aminotransferase From Bac Alcalophilus
authors A.Dubnovitsky, E.G.Kapetaniou, A.C.Papageorgiou
compound source
Molecule: Phosphoserine Aminotransferase
Chain: A, B
Ec: 2.6.1.52
Engineered: Yes
Other_details: Pyridoxal-5'-Phosphate Linked To 196
Organism_scientific: Bacillus Alcalophilus
Organism_taxid: 1445
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_plasmid: Pbalc-Psat
symmetry Space Group: P 21 21 2
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
144.467 84.840 67.469 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.08 Å
ligand CL, EPE, GOL, MG, PEG, PGE, PLP enzyme Transferase E.C.2.6.1.52 BRENDA
note 1W23 is a representative structure
related structures by homologous chain: 2BIG
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceEnzyme adaptation to alkaline pH: atomic resolution (1.08 A) structure of phosphoserine aminotransferase from Bacillus alcalophilus., Dubnovitsky AP, Kapetaniou EG, Papageorgiou AC, Protein Sci. 2005 Jan;14(1):97-110. PMID:15608117
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (277 Kb) [Save to disk]
  • Biological Unit Coordinates (1w23.pdb1.gz) 271 Kb
  • LPC: Ligand-Protein Contacts for 1W23
  • CSU: Contacts of Structural Units for 1W23
  • Likely Quarternary Molecular Structure file(s) for 1W23
  • Structure Factors (2766 Kb)
  • Retrieve 1W23 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1W23 from S2C, [Save to disk]
  • Re-refined 1w23 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1W23 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 1W23
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1W23 1W23A 1W23B from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1W23, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1w23a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1w23b_, region B [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1w23] [1w23_B] [1w23_A]
  • SWISS-PROT database: [Q9RME2]
  • Domain organization of [SERC_BACAO] by SWISSPFAM
  • Other resources with information on 1W23
  • Community annotation for 1W23 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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