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Crystal structure of the tetratricopeptide repeat (TPR) motif of human dual specificity protein kinase Mps1
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE
    Text mitotic checkpoint kinase, chromosome instability, cancer, tetratricopeptide repeat (TPR) motif, mitotic checkpoint, TRANSFERASE

    Polymeric Molecules

    Chain A,B
    Description Dual specificity protein kinase TTK 
    Fragment TPR domain (UNP residues 55-210) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 18187.2 
    Source Method genetically manipulated  
    Entity Name Phosphotyrosine picked threonine-protein kinase, PYT 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    PB  LEAD (II) ION  Pb   207.20  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B TTK_HUMAN P33981     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    7093   Mitotic Cell Cycle Checkpoint  A Cell Cycle Checkpoint That Ensures Accurate Chromosome Replication and Segregation by Preventing Progression Through a Mitotic Cell Cycle Until Conditions Are Suitable For the Cell to Proceed to the Next Stage. 
    51304   Chromosome Separation  The Cell Cycle Process in Which Paired Chromosomes Are Detached From Each Other. Chromosome Separation Begins with the Release of Cohesin Complexes From Chromosomes; in Budding Yeast This Includes the Cleavage of Cohesin Complexes Along the Chromosome Arms Followed by the Separation of the Centromeric Regions. Chromosome Separation Also Includes Formation of Chromatid Axes Mediated by Condensins and Ends with the Disentangling of Inter Sister Catenation Catalyzed by Topoisomerase Ii (topo Ii). 
    4712   Protein Serine/threonine/tyrosine Kinase Activity  Catalysis of the Reactions: ATP + a Protein Serine = Adp + Protein Serine Phosphate; ATP + a Protein Threonine = Adp + Protein Threonine Phosphate; and ATP + a Protein Tyrosine = Adp + Protein Tyrosine Phosphate. 

  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Common Name Human
    Scientific Name Homo sapiens  
    Gene mps1, mps1l1, ncbi reference sequence nm_003318.4, ttk
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Pgex 6p
    Host Plasmid Name pGST-TPR-Mps1

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    6 6q14.1 7272     TTK protein kinase TTK    

    Single Nucleotide Polymorphisms (from LS-SNP database)

    SNP ID LsSnp Link dbSNP Link Chain PDB position Amino acid changes Secondary structure Solvent Accessibility Chromosome Chromosome position Ligand
    rs142681483 LS-SNP   dbSNP   A 28 V - > F Coil 78% (Exposed) 6 80717615
    rs2230513 LS-SNP   dbSNP   A 48 A - > V Helix 24% (Intermediate) 6 80717676
    rs56051245 LS-SNP   dbSNP   A 58 E - > K Helix 49% (Exposed) 6 80717705
    rs201365987 LS-SNP   dbSNP   A 93 F - > L Beta 9% (Buried) 6 80718166
    rs145266061 LS-SNP   dbSNP   A 99 S - > C Helix 8% (Buried) 6 80718183
    rs144032191 LS-SNP   dbSNP   A 100 F - > S Helix 1% (Buried) 6 80718186
    rs151265706 LS-SNP   dbSNP   A 136 R - > Q Helix 53% (Exposed) 6 80720615
    rs142356650 LS-SNP   dbSNP   A 136 R - > W Helix 53% (Exposed) 6 80720614