1KI3	Phosphotransferase	date	May 15, 1998
title	Crystal Structure Of Thymidine Kinase From Herpes Simplex Vi Complexed With Penciclovir
authors	J.N.Champness, M.S.Bennett, F.Wien, R.Visse, R.L.Jarvest, W.C.Sum M.R.Sanderson
compound		source
Molecule: Thymidine Kinase Chain: A, B Synonym: Tk Ec: 2.7.1.21 Engineered: Yes		Organism_scientific: Herpes Simplex Virus (Type 1 Strain Organism_taxid: 10299 Strain: 17 Gene: Tk Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Sy211 Expression_system_plasmid: Pt7\:Hsvtk Expression_system_gene: Tk
symmetry	Space Group: C 2 2 21	R_factor 0.200 R_Free 0.314
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.800 117.700 108.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.37 Å
ligand	PE2, SO4 BindingDB	enzyme	Transferase E.C.2.7.1.21 BRENDA
related structures	by homologous chain: 1KI4, 1KI6
Gene Ontology	Chain Function Process Component A, B
Primary reference	Exploring the active site of herpes simplex virus type-1 thymidine kinase by X-ray crystallography of complexes with aciclovir and other ligands., Champness JN, Bennett MS, Wien F, Visse R, Summers WC, Herdewijn P, de Clerq E, Ostrowski T, Jarvest RL, Sanderson MR, Proteins 1998 Aug 15;32(3):350-61. PMID:9715911

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (103 Kb) [Save to disk] Biological Unit Coordinates (1ki3.pdb1.gz) 98 Kb LPC: Ligand-Protein Contacts for 1KI3 CSU: Contacts of Structural Units for 1KI3 Likely Quarternary Molecular Structure file(s) for 1KI3 Structure Factors (178 Kb) Retrieve 1KI3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KI3 from S2C, [Save to disk] Re-refined 1ki3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KI3 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 1KI3

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KI3, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ki3a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ki3b_, region B [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: [1ki3_B] [1ki3_A] [1ki3] SWISS-PROT database: [P03176] Domain organization of [KITH_HHV11] by SWISSPFAM

Other resources with information on 1KI3

Community annotation for 1KI3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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