2PPQ	Transferase	date	Apr 30, 2007
title	Crystal Structure Of The Homoserine Kinase From Agrobacteriu Tumefaciens
authors	R.Zhang, X.Xu, H.Zheng, A.Savchenko, A.Edwards, A.Joachimiak, Midw Center For Structural Genomics (Mcsg)
compound		source
Molecule: Homoserine Kinase Chain: A Synonym: Hsk, Hk Ec: 2.7.1.39 Engineered: Yes		Organism_scientific: Agrobacterium Tumefaciens Str. Organism_taxid: 176299 Strain: C58 Atcc: 33970 Gene: Thrb, Atu0775, Agr_c_1416 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdm68
symmetry	Space Group: C 2 2 21	R_factor 0.187 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.338 100.619 134.310 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	MG, MSE, PO4	enzyme	Transferase E.C.2.7.1.39 BRENDA
Gene	AGR (C. caroliniana)
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (2ppq.pdb1.gz) 107 Kb LPC: Ligand-Protein Contacts for 2PPQ CSU: Contacts of Structural Units for 2PPQ Likely Quarternary Molecular Structure file(s) for 2PPQ Structure Factors (220 Kb) Retrieve 2PPQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PPQ from S2C, [Save to disk] Re-refined 2ppq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PPQ 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 2PPQ

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 2PPQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ppq_A] [2ppq] SWISS-PROT database: [Q8UHA8] Domain organization of [KHSE_AGRT5] by SWISSPFAM

Other resources with information on 2PPQ

Community annotation for 2PPQ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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