1KTA Transferase date Jan 15, 2002
title Human Branched Chain Amino Acid Aminotransferase : Three Dim Structure Of The Enzyme In Its Pyridoxamine Phosphate Form.
authors N.H.Yennawar, M.E.Conway, H.P.Yennawar, G.K.Farber, S.M.Hutson
compound source
Molecule: Branched-Chain Amino Acid Aminotransferase, Mitoc
Chain: A, B
Synonym: Bcat(M)
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21de3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-28a
symmetry Space Group: P 21 21 21
R_factor 0.240 R_Free 0.287
length a length b length c angle alpha angle beta angle gamma
69.450 105.308 107.829 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand ACY, GOL, KIV, PMP enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1KT8
A, B

Primary referenceCrystal structures of human mitochondrial branched chain aminotransferase reaction intermediates: ketimine and pyridoxamine phosphate forms., Yennawar NH, Conway ME, Yennawar HP, Farber GK, Hutson SM, Biochemistry 2002 Oct 1;41(39):11592-601. PMID:12269802
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (130 Kb) [Save to disk]
  • Biological Unit Coordinates (1kta.pdb1.gz) 124 Kb
  • LPC: Ligand-Protein Contacts for 1KTA
  • CSU: Contacts of Structural Units for 1KTA
  • Likely Quarternary Molecular Structure file(s) for 1KTA
  • Structure Factors (512 Kb)
  • Retrieve 1KTA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KTA from S2C, [Save to disk]
  • Re-refined 1kta structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KTA 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 1KTA
  • 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 1KTA, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ktaa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1ktab_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1kta 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: [1kta_B] [1kta_A] [1kta]
  • SWISS-PROT database: [O15382]
  • Domain organization of [BCAT2_HUMAN] by SWISSPFAM
  • Other resources with information on 1KTA
  • Community annotation for 1KTA 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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