1AHF Transferase (Aminotransferase) date Feb 22, 1995
title Aspartate Aminotransferase Hexamutant
authors V.N.Malashkevich, J.N.Jansonius
compound source
Molecule: Aspartate Aminotransferase
Chain: A, B
Synonym: Aspartate Transaminase
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
length a length b length c angle alpha angle beta angle gamma
85.920 79.390 88.800 90.00 118.99 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand IOP, PLP, SO4 enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1ARH, 1TOG
A, B

Primary referenceAlternating arginine-modulated substrate specificity in an engineered tyrosine aminotransferase., Malashkevich VN, Onuffer JJ, Kirsch JF, Jansonius JN, Nat Struct Biol 1995 Jul;2(7):548-53. PMID:7664122
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (140 Kb) [Save to disk]
  • Biological Unit Coordinates (1ahf.pdb1.gz) 134 Kb
  • LPC: Ligand-Protein Contacts for 1AHF
  • CSU: Contacts of Structural Units for 1AHF
  • Likely Quarternary Molecular Structure file(s) for 1AHF
  • Retrieve 1AHF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AHF from S2C, [Save to disk]
  • View 1AHF 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 1AHF
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1AHF, from MSDmotif at EBI
  • Genome occurence of 1AHF's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ahfa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1ahfb_, region B [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: [1ahf_A] [1ahf] [1ahf_B]
  • SWISS-PROT database: [P00509]
  • Domain organization of [AAT_ECOLI] by SWISSPFAM
  • Other resources with information on 1AHF
  • Community annotation for 1AHF 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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