1Q4O Transferase date Aug 04, 2003
title The Structure Of The Polo Box Domain Of Human Plk1
authors K.Y.Cheng, E.D.Lowe, J.Sinclair, E.A.Nigg, L.N.Johnson
compound source
Molecule: Serinethreonine-Protein Kinase Plk
Chain: A, B
Fragment: Polo Box Domain Of Plk1
Synonym: Plk-1, Serine-Threonine Protein Kinase 13, Stpk13
Ec: 2.7.1.-
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Plk Or Plk1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: B834 (De3) Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-6p1
symmetry Space Group: P 1
R_factor 0.198 R_Free 0.288
length a length b length c angle alpha angle beta angle gamma
32.741 42.021 80.727 103.16 93.88 91.32
method X-Ray Diffractionresolution 2.20 Å
enzyme Transferase E.C.2.7.1 BRENDA
related structures by homologous chain: 1Q4K, 1UMW
Primary referenceThe crystal structure of the human polo-like kinase-1 polo box domain and its phospho-peptide complex., Cheng KY, Lowe ED, Sinclair J, Nigg EA, Johnson LN, EMBO J 2003 Nov 3;22(21):5757-68. PMID:14592974
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk]
  • Biological Unit Coordinates (1q4o.pdb1.gz) 37 Kb
  • Biological Unit Coordinates (1q4o.pdb2.gz) 38 Kb
  • CSU: Contacts of Structural Units for 1Q4O
  • Likely Quarternary Molecular Structure file(s) for 1Q4O
  • Structure Factors (298 Kb)
  • Retrieve 1Q4O in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1Q4O from S2C, [Save to disk]
  • Re-refined 1q4o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1Q4O 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 1Q4O
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1Q4O, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1q4oa1, region A:372-492 [Jmol] [rasmolscript] [script source]
        - Domain d1q4oa2, region A:508-593 [Jmol] [rasmolscript] [script source]
        - Domain d1q4ob1, region B:371-493 [Jmol] [rasmolscript] [script source]
        - Domain d1q4ob2, region B:508-592 [Jmol] [rasmolscript] [script source]
  • Fold representative 1q4o from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1q4o] [1q4o_B] [1q4o_A]
  • SWISS-PROT database: [P53350]
  • Domain organization of [PLK1_HUMAN] by SWISSPFAM
  • Other resources with information on 1Q4O
  • Community annotation for 1Q4O 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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