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(-) Description

Title :  INSIGHTS INTO ANTI-PARALLEL MICROTUBULE CROSSLINKING BY PRC1, A CONSERVED NON-MOTOR MICROTUBULE BINDING PROTEIN
 
Authors :  T. M. Kapoor, R. Subramanian, E. M. Wilson-Kubalek, C. P. Arthur, M. J. B E. A. Campbell, S. A. Darst, R. A. Milligan
Date :  30 Jun 10  (Deposition) - 18 Aug 10  (Release) - 25 Aug 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.75
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Spectrin Fold, Microtubule Binding Domain, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  R. Subramanian, E. M. Wilson-Kubalek, C. P. Arthur, M. J. Bick, E. A. Campbell, S. A. Darst, R. A. Milligan, T. M. Kapoor
Insights Into Antiparallel Microtubule Crosslinking By Prc1 A Conserved Nonmotor Microtubule Binding Protein.
Cell(Cambridge, Mass. ) V. 142 433 2010
PubMed-ID: 20691902  |  Reference-DOI: 10.1016/J.CELL.2010.07.012

(-) Compounds

Molecule 1 - PROTEIN REGULATOR OF CYTOKINESIS 1
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentUNP RESIDUES 341-466
    GenePRC1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3NRX)

(-) Sites  (0, 0)

(no "Site" information available for 3NRX)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3NRX)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3NRX)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3NRX)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3NRX)

(-) Exons   (0, 0)

(no "Exon" information available for 3NRX)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:123
 aligned with PRC1_HUMAN | O43663 from UniProtKB/Swiss-Prot  Length:620

    Alignment length:128
                                   348       358       368       378       388       398       408       418       428       438       448       458        
           PRC1_HUMAN   339 VRLKNYYEVHKELFEGVQKWEETWRLFLEFERKASDPNRFTNRGGNLLKEEKQRAKLQKMLPKLEEELKARIELWEQEHSKAFMVNGQKFMEYVAEQWEMHRLEKERAKQERQLKNKKQTETEMLYGS 466
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....-----hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...ee..eehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3nrx A   3 AALKNYYEVHKELFEGVQKWEETWRLFLEFERKASDPNRF-----NLLKEEKQRAKLQKMLPKLEEELKARIELWEQEHSKAFMVNGQKFMEYVAEQWEMHRLEKERAKQERQLKNKKQTETEMLYGS 130
                                    12        22        32        42     |  52        62        72        82        92       102       112       122        
                                                                  42    48                                                                                  

Chain B from PDB  Type:PROTEIN  Length:118
 aligned with PRC1_HUMAN | O43663 from UniProtKB/Swiss-Prot  Length:620

    Alignment length:126
                                   348       358       368       378       388       398       408       418       428       438       448       458      
           PRC1_HUMAN   339 VRLKNYYEVHKELFEGVQKWEETWRLFLEFERKASDPNRFTNRGGNLLKEEKQRAKLQKMLPKLEEELKARIELWEQEHSKAFMVNGQKFMEYVAEQWEMHRLEKERAKQERQLKNKKQTETEMLY 464
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) --MAP65_ASE1-3nrxB01 B:5-128                                                                                                   Pfam domains (1)
           Pfam domains (2) --MAP65_ASE1-3nrxB02 B:5-128                                                                                                   Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...--------hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...ee..eehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3nrx B   3 AALKNYYEVHKELFEGVQKWEETWRLFLEFERKASDPN--------LLKEEKQRAKLQKMLPKLEEELKARIELWEQEHSKAFMVNGQKFMEYVAEQWEMHRLEKERAKQERQLKNKKQTETEMLY 128
                                    12        22        32       | -      | 52        62        72        82        92       102       112       122      
                                                                40       49                                                                               

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    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3NRX)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3NRX)

(-) Pfam Domains  (1, 2)

Asymmetric Unit

(-) Gene Ontology  (25, 25)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (PRC1_HUMAN | O43663)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0019894    kinesin binding    Interacting selectively and non-covalently and stoichiometrically with kinesin, a member of a superfamily of microtubule-based motor proteins that perform force-generating tasks such as organelle transport and chromosome segregation.
    GO:0008017    microtubule binding    Interacting selectively and non-covalently with microtubules, filaments composed of tubulin monomers.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0019901    protein kinase binding    Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
biological process
    GO:0007049    cell cycle    The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
    GO:0051301    cell division    The process resulting in division and partitioning of components of a cell to form more cells; may or may not be accompanied by the physical separation of a cell into distinct, individually membrane-bounded daughter cells.
    GO:0000910    cytokinesis    The division of the cytoplasm and the plasma membrane of a cell and its partitioning into two daughter cells.
    GO:0001578    microtubule bundle formation    A process that results in a parallel arrangement of microtubules.
    GO:0000226    microtubule cytoskeleton organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising microtubules and their associated proteins.
    GO:0000022    mitotic spindle elongation    The cell cycle process in which the distance is lengthened between poles of the mitotic spindle. Mitotic spindle elongation begins during mitotic prophase and ends during mitotic anaphase B.
    GO:0008284    positive regulation of cell proliferation    Any process that activates or increases the rate or extent of cell proliferation.
cellular component
    GO:0070938    contractile ring    A cytoskeletal structure composed of filamentous protein that forms beneath the membrane of many cells or organelles, in the plane of cell or organelle division. Ring contraction is associated with centripetal growth of the membrane that divides the cytoplasm of the two daughter cells or organelles.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005856    cytoskeleton    Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005874    microtubule    Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle.
    GO:0015630    microtubule cytoskeleton    The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins.
    GO:0030496    midbody    A thin cytoplasmic bridge formed between daughter cells at the end of cytokinesis. The midbody forms where the contractile ring constricts, and may persist for some time before finally breaking to complete cytokinesis.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0005819    spindle    The array of microtubules and associated molecules that forms between opposite poles of a eukaryotic cell during mitosis or meiosis and serves to move the duplicated chromosomes apart.
    GO:0005876    spindle microtubule    Any microtubule that is part of a mitotic or meiotic spindle; anchored at one spindle pole.
    GO:0000922    spindle pole    Either of the ends of a spindle, where spindle microtubules are organized; usually contains a microtubule organizing center and accessory molecules, spindle microtubules and astral microtubules.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PRC1_HUMAN | O436633nry 4l3i 4l6y 5kmg

(-) Related Entries Specified in the PDB File

3nry