1SPA Transferase(Aminotransferase) date Jan 26, 1993
title Role Of Asp222 In The Catalytic Mechanism Of Escherichia Col Aspartate Aminotransferase: The Amino Acid Residue Which En Function Of The Enzyme-Bound Coenzyme Pyridoxal 5'-Phosphat
authors Y.Hinoue, T.Yano, D.E.Metzler, I.Miyahara, K.Hirotsu, H.Kagamiyam
compound source
Molecule: Aspartate Aminotransferase
Chain: A
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 2 2 21
R_factor 0.209 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
154.800 86.200 79.100 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand NPL enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1G4V, 1TOE

Primary referenceRole of Asp222 in the catalytic mechanism of Escherichia coli aspartate aminotransferase: the amino acid residue which enhances the function of the enzyme-bound coenzyme pyridoxal 5'-phosphate., Yano T, Kuramitsu S, Tanase S, Morino Y, Kagamiyama H, Biochemistry 1992 Jun 30;31(25):5878-87. PMID:1610831
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk]
  • Biological Unit Coordinates (1spa.pdb1.gz) 125 Kb
  • LPC: Ligand-Protein Contacts for 1SPA
  • CSU: Contacts of Structural Units for 1SPA
  • Likely Quarternary Molecular Structure file(s) for 1SPA
  • Retrieve 1SPA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SPA from S2C, [Save to disk]
  • View 1SPA 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 1SPA
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SPA, from MSDmotif at EBI
  • Genome occurence of 1SPA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1spa__, region [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: [1spa] [1spa_A]
  • SWISS-PROT database: [P00509]
  • Domain organization of [AAT_ECOLI] by SWISSPFAM
  • Other resources with information on 1SPA
  • Community annotation for 1SPA 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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