1D6N Transferase date Oct 14, 1999
title Ternary Complex Structure Of Human Hgprtase, Prpp, Mg2+, And Inhibitor Hpp Reveals The Involvement Of The Flexible Loop Substrate Binding
authors G.K.Balendiran
compound source
Molecule: Protein (Hypoxanthine-Guanine Phosphoribosyltrans
Chain: A, B
Synonym: Hgprt
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cellular_location: Cytoplasm
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pbacprt-68a
symmetry Space Group: P 21 21 2
R_factor 0.174 R_Free 0.278
length a length b length c angle alpha angle beta angle gamma
129.560 65.850 51.460 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.70 Å
ligand MG, PPO, PRP enzyme Transferase E.C. BRENDA
note 1D6N (Molecule of the Month:pdb151)
related structures by homologous chain: 1HMP
A, B

Primary referenceTernary complex structure of human HGPRTase, PRPP, Mg2+, and the inhibitor HPP reveals the involvement of the flexible loop in substrate binding., Balendiran GK, Molina JA, Xu Y, Torres-Martinez J, Stevens R, Focia PJ, Eakin AE, Sacchettini JC, Craig SP 3rd, Protein Sci 1999 May;8(5):1023-31. PMID:10338013
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk]
  • Biological Unit Coordinates (1d6n.pdb1.gz) 62 Kb
  • Biological Unit Coordinates (1d6n.pdb2.gz) 122 Kb
  • LPC: Ligand-Protein Contacts for 1D6N
  • CSU: Contacts of Structural Units for 1D6N
  • Likely Quarternary Molecular Structure file(s) for 1D6N
  • Retrieve 1D6N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1D6N from S2C, [Save to disk]
  • View 1D6N 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 1D6N
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1D6N, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1d6na_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1d6nb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1d6n 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: [1d6n_A] [1d6n_B] [1d6n]
  • SWISS-PROT database: [P00492]
  • Domain organization of [HPRT_HUMAN] by SWISSPFAM
  • Other resources with information on 1D6N
  • Community annotation for 1D6N 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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