1XBT Transferase date Aug 31, 2004
title Crystal Structure Of Human Thymidine Kinase 1
authors M.Welin, U.Kosinska, N.E.Mikkelsen, C.Carnrot, C.Zhu, L.Wang, S.Er B.Munch-Petersen, H.Eklund
compound source
Molecule: Thymidine Kinase, Cytosolic
Chain: A, B, C, D, E, F, G, H
Fragment: Truncation Mutant(Residues 1-193)
Synonym: Deoxyribonucleoside Kinase
Ec: 2.7.1.21
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Tk1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-2t
symmetry Space Group: C 1 2 1
R_factor 0.201 R_Free 0.232
crystal
cell
length a length b length c angle alpha angle beta angle gamma
157.672 123.177 116.000 90.00 130.20 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand MG, TTP, ZN enzyme Transferase E.C.2.7.1.21 BRENDA
related structures by homologous chain: 1W4R
Gene
Ontology
ChainFunctionProcessComponent
F, A, E, B, H, C, D, G


Primary referenceStructures of thymidine kinase 1 of human and mycoplasmic origin., Welin M, Kosinska U, Mikkelsen NE, Carnrot C, Zhu C, Wang L, Eriksson S, Munch-Petersen B, Eklund H, Proc Natl Acad Sci U S A 2004 Dec 28;101(52):17970-5. Epub 2004 Dec 20. PMID:15611477
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (216 Kb) [Save to disk]
  • Biological Unit Coordinates (1xbt.pdb1.gz) 105 Kb
  • Biological Unit Coordinates (1xbt.pdb2.gz) 107 Kb
  • LPC: Ligand-Protein Contacts for 1XBT
  • CSU: Contacts of Structural Units for 1XBT
  • Likely Quarternary Molecular Structure file(s) for 1XBT
  • Structure Factors (516 Kb)
  • Retrieve 1XBT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XBT from S2C, [Save to disk]
  • Re-refined 1xbt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1XBT 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 1XBT
  • 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 1XBT, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xbta2, region A:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbta1, region A:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtb2, region B:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtb1, region B:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtc2, region C:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtc1, region C:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtd2, region D:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtd1, region D:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbte2, region E:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbte1, region E:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtf2, region F:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtf1, region F:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtg2, region G:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbtg1, region G:18-150 [Jmol] [rasmolscript] [script source]
        - Domain d1xbth2, region H:151-191 [Jmol] [rasmolscript] [script source]
        - Domain d1xbth1, region H:18-150 [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xbt_G] [1xbt_D] [1xbt_B] [1xbt_A] [1xbt] [1xbt_C] [1xbt_F] [1xbt_H] [1xbt_E]
  • SWISS-PROT database: [P04183]
  • Domain organization of [KITH_HUMAN] by SWISSPFAM
  • Other resources with information on 1XBT
  • Community annotation for 1XBT at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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