3IP0	Transferase	date	Aug 15, 2009
title	Crystal Structure Of E. Coli Hppk In Complex With Mgampcpp A Hydroxymethylpterin6-Carboxypterin
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: 83333 Strain: K-12 Gene: B0142, Foik, Folk, Jw0138 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet17b
symmetry	Space Group: C 1 2 1	R_factor 0.128 R_Free 0.128
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.470 37.910 57.850 90.00 117.18 90.00
method	X-Ray Diffraction	resolution	0.89 Å
ligand	ACT, APC, CL, HHR, HHS, MG	enzyme	Transferase E.C.2.7.6.3 BRENDA
note	3IP0 is a representative structure and supersedes 3H4A, 1F9Y
Gene Ontology	Chain Function Process Component A
Primary reference	Dynamic 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] (99 Kb) [Save to disk] Biological Unit Coordinates (3ip0.pdb1.gz) 93 Kb Biological Unit Coordinates (3ip0.pdb2.gz) 183 Kb LPC: Ligand-Protein Contacts for 3IP0 CSU: Contacts of Structural Units for 3IP0 Structure Factors (651 Kb) Retrieve 3IP0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IP0 from S2C, [Save to disk] Re-refined 3ip0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IP0 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 3IP0

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 3IP0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ip0] [3ip0_A] SWISS-PROT database: [P26281] Domain organization of [HPPK_ECOLI] by SWISSPFAM

Other resources with information on 3IP0

Community annotation for 3IP0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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