3HCX	Transferase	date	May 06, 2009
title	Crystal Structure Of E. Coli Hppk(N10a)
authors	J.Blaszczyk, Y.Li, H.Yan, 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 Mutation: Yes		Organism_scientific: Escherichia Coli K-12 Organism_taxid: 83333 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: P 1 21 1	R_factor 0.184 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.330 51.740 41.390 90.00 109.38 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CL, TRS	enzyme	Transferase E.C.2.7.6.3 BRENDA
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk] Biological Unit Coordinates (3hcx.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 3HCX CSU: Contacts of Structural Units for 3HCX Structure Factors (100 Kb) Retrieve 3HCX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3HCX from S2C, [Save to disk] Re-refined 3hcx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3HCX 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 3HCX

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 3HCX, from MSDmotif at EBI

Sequence-derived information

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

Other resources with information on 3HCX

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

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