2QPO	Transferase	date	Jul 24, 2007
title	Thermotoga Maritima Thymidine Kinase In The Apo Form
authors	D.Segura-Pena, J.Lichter, M.Trani, M.Konrad, A.Lavie, S.Lutz
compound		source
Molecule: Thymidine Kinase Chain: A, B, C, D Ec: 2.7.1.21 Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Gene: Tdk Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pet-14b
symmetry	Space Group: P 1 21 1	R_factor 0.203 R_Free 0.261
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.600 113.500 54.800 90.00 109.16 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	SO4, ZN	enzyme	Transferase E.C.2.7.1.21 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B thymidine kinase activity
Primary reference	Quaternary structure change as a mechanism for the regulation of thymidine kinase 1-like enzymes., Segura-Pena D, Lichter J, Trani M, Konrad M, Lavie A, Lutz S, Structure. 2007 Dec;15(12):1555-66. PMID:18073106

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk] Biological Unit Coordinates (2qpo.pdb1.gz) 96 Kb LPC: Ligand-Protein Contacts for 2QPO CSU: Contacts of Structural Units for 2QPO Likely Quarternary Molecular Structure file(s) for 2QPO Structure Factors (652 Kb) Retrieve 2QPO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QPO from S2C, [Save to disk] Re-refined 2qpo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QPO 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 2QPO

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 2QPO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qpo_B] [2qpo_D] [2qpo] [2qpo_C] [2qpo_A] SWISS-PROT database: [Q9WYN2] Domain organization of [KITH_THEMA] by SWISSPFAM

Other resources with information on 2QPO

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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