1RAO	Transferase	date	Oct 31, 2003
title	Crystal Structure Of A Ternary Complex Of E. Coli Hppk With Hydroxymethylpterin-Diphosphate At 1.56 Angstrom Resolution
authors	J.Blaszczyk, X.Ji
compound		source
Molecule: 2-Amino-4-Hydroxy-6-Hydroxymethyldihydropteridine Pyrophosphokinase; Chain: A Synonym: 7,8-Dihydro-6-Hydroxymethylpterin-Pyrophosphokinas 6-Hydroxymethyl-7,8-Dihydropterin Pyrophosphokinase, Pppk; Ec: 2.7.6.3 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Folk, B0142 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet17b
symmetry	Space Group: C 1 2 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.689 52.918 36.560 90.00 103.46 90.00
method	X-Ray Diffraction	resolution	1.56 Å
ligand	AMP, HH2	enzyme	Transferase E.C.2.7.6.3 BRENDA
related structures	by homologous chain: 1G4C, 1KBR
Gene Ontology	Chain Function Process Component A
Primary reference	Reaction trajectory of pyrophosphoryl transfer catalyzed by 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase., Blaszczyk J, Shi G, Li Y, Yan H, Ji X, Structure (Camb) 2004 Mar;12(3):467-75. PMID:15016362

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1rao.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 1RAO CSU: Contacts of Structural Units for 1RAO Likely Quarternary Molecular Structure file(s) for 1RAO Structure Factors (329 Kb) Retrieve 1RAO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RAO from S2C, [Save to disk] Re-refined 1rao structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RAO 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 1RAO

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 1RAO, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1raoa_, region A [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: [1rao_A] [1rao] SWISS-PROT database: [P26281] Domain organization of [HPPK_ECOLI] by SWISSPFAM

Other resources with information on 1RAO

Community annotation for 1RAO at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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