1ASC Aminotransferase date Aug 27, 1993
title The Structural Basis For The Reduced Activity Of The D223a(D Active Site Mutant Of E. Coli Aspartate Aminotransferase
authors C.Schumacher, D.Ringe
compound source
Molecule: Aspartate Aminotransferase
Chain: A
Ec: 2.6.1.1
Engineered: Yes
Mutation: 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 0.214 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
157.500 85.000 78.600 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand NPL enzyme Transferase E.C.2.6.1.1 BRENDA
related structures by homologous chain: 1CQ7, 1CQ8
Gene
Ontology
ChainFunctionProcessComponent
A


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk]
  • Biological Unit Coordinates (1asc.pdb1.gz) 115 Kb
  • LPC: Ligand-Protein Contacts for 1ASC
  • CSU: Contacts of Structural Units for 1ASC
  • Likely Quarternary Molecular Structure file(s) for 1ASC
  • Retrieve 1ASC in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ASC from S2C, [Save to disk]
    • View 1ASC 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 1ASC
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1ASC, from MSDmotif at EBI
  • Genome occurence of 1ASC's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1asc__, 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: [1asc_A] [1asc]
  • SWISS-PROT database: [P00509]
  • Domain organization of [AAT_ECOLI] by SWISSPFAM
    • Other resources with information on 1ASC
  • Community annotation for 1ASC 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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