1G4C Transferase date Oct 26, 2000
title Crystal Structure Of A Complex Of Hppk(R92a) From E.Coli Wit 1.65 Angstrom Resolution
authors J.Blaszczyk, X.Ji
compound source
Molecule: 6-Hydroxymethyl-7,8-Dihydropterin Pyrophosphokina
Chain: A, B
Synonym: 2-Amino-4-Hydroxy-6-Hydroxymethyldihydropteridine Pyrophosphokinase, Hppk;
Ec: 2.7.6.3
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet17b
symmetry Space Group: P 1 21 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
42.351 47.210 71.306 90.00 105.61 90.00
method X-Ray Diffractionresolution 1.65 Å
ligand CL, MG enzyme Transferase E.C.2.7.6.3 BRENDA
related structures by homologous chain: 1IM6, 1RAO
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceDynamic roles of arginine residues 82 and 92 of Escherichia coli 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase: crystallographic studies., Blaszczyk J, Li Y, Shi G, Yan H, Ji X, Biochemistry 2003 Feb 18;42(6):1573-80. PMID:12578370
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk]
  • Biological Unit Coordinates (1g4c.pdb1.gz) 31 Kb
  • Biological Unit Coordinates (1g4c.pdb2.gz) 31 Kb
  • LPC: Ligand-Protein Contacts for 1G4C
  • CSU: Contacts of Structural Units for 1G4C
  • Likely Quarternary Molecular Structure file(s) for 1G4C
  • Structure Factors (225 Kb)
  • Retrieve 1G4C in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1G4C from S2C, [Save to disk]
  • Re-refined 1g4c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1G4C 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 1G4C
  • 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
  • 3D motif for 1G4C, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1g4ca_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1g4cb_, 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: [1g4c_A] [1g4c] [1g4c_B]
  • SWISS-PROT database: [P26281]
  • Domain organization of [HPPK_ECOLI] by SWISSPFAM
  • Other resources with information on 1G4C
  • Community annotation for 1G4C 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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