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(-) Description

Title :  RIGOR KINESIN MOTOR DOMAIN WITH AN ORDERED NECK-LINKER, DOCKED ON TUBULIN DIMER, MODELLED INTO THE 8A CRYO-EM MAP OF DOUBLECORTIN-MICROTUBULES DECORATED WITH KINESIN
 
Authors :  J. S. Liu, C. R. Schubert, X. Fu, F. J. Fourniol, J. K. Jaiswal, A. Houduss C. M. Stultz, C. A. Moores, C. A. Walsh
Date :  10 May 12  (Deposition) - 26 Sep 12  (Release) - 26 Sep 12  (Revision)
Method :  ELECTRON MICROSCOPY
Resolution :  8.20
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Hydrolase, Microtubule, Neck-Linker (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. S. Liu, C. R. Schubert, X. Fu, F. J. Fourniol, J. K. Jaiswal, A. Houdusse, C. M. Stultz, C. A. Moores, C. A. Walsh
Molecular Basis For Specific Regulation Of Neuronal Kinesin- 3 Motors By Doublecortin Family Proteins.
Mol. Cell V. 47 707 2012
PubMed-ID: 22857951  |  Reference-DOI: 10.1016/J.MOLCEL.2012.06.025
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TUBULIN BETA-2B CHAIN
    ChainsA
    EC Number3.6.5.6
    OrganBRAIN
    Organism CommonCATTLE
    Organism ScientificBOS TAURUS
    Organism Taxid9913
 
Molecule 2 - TUBULIN ALPHA-1D CHAIN
    ChainsB
    EC Number3.6.5.6
    OrganBRAIN
    Organism CommonCATTLE
    Organism ScientificBOS TAURUS
    Organism Taxid9913
 
Molecule 3 - KINESIN-1 HEAVY CHAIN
    ChainsC
    EC Number3.6.4.4
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentMOTOR DOMAIN, RESIDUES 1-340
    MutationYES
    Organism CommonNORWAY RAT
    Organism ScientificRATTUS NORVEGICUS
    Organism Taxid10116
    SynonymCONVENTIONAL KINESIN HEAVY CHAIN, UBIQUITOUS KINESIN HEAVY CHAIN, UKHC

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1GDP1Ligand/IonGUANOSINE-5'-DIPHOSPHATE
2GTP1Ligand/IonGUANOSINE-5'-TRIPHOSPHATE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:10 , GLN A:11 , CYS A:12 , GLN A:15 , SER A:140 , GLY A:142 , GLY A:144 , THR A:145 , GLY A:146 , ASP A:179 , ASN A:206 , TYR A:224 , ASN A:228BINDING SITE FOR RESIDUE GDP A 600
2AC2SOFTWARELEU A:248 , LYS A:254 , GLY B:10 , GLN B:11 , ALA B:12 , GLN B:15 , ALA B:99 , ALA B:100 , ASN B:101 , SER B:140 , GLY B:143 , GLY B:144 , THR B:145 , GLY B:146 , ILE B:171 , GLU B:183 , ASN B:206 , TYR B:224 , ASN B:228BINDING SITE FOR RESIDUE GTP B 500

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4ATX)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Gly B:57 -Ala B:58

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4ATX)

(-) PROSITE Motifs  (3, 4)

Asymmetric/Biological Unit (3, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1KINESIN_MOTOR_2PS50067 Kinesin motor domain profile.KINH_RAT8-325  1C:8-325
2TUBULINPS00227 Tubulin subunits alpha, beta, and gamma signature.TBB2B_BOVIN140-146  1A:142-148
TBA1D_BOVIN142-148  1B:142-148
3KINESIN_MOTOR_1PS00411 Kinesin motor domain signature.KINH_RAT225-236  1C:225-236

(-) Exons   (4, 4)

Asymmetric/Biological Unit (4, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENSBTAT000000053461ENSBTAE00000067590chr23:51448815-51448966152TBB2B_BOVIN1-19191A:2-1918
1.2ENSBTAT000000053462ENSBTAE00000380542chr23:51449714-51449822109TBB2B_BOVIN20-56371A:20-58 (gaps)39
1.3ENSBTAT000000053463ENSBTAE00000419208chr23:51450093-51450203111TBB2B_BOVIN56-93381A:58-9538
1.4ENSBTAT000000053464ENSBTAE00000067601chr23:51450543-514516031061TBB2B_BOVIN93-4453531A:95-437 (gaps)343

(-) Sequences/Alignments

Asymmetric/Biological 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:426
 aligned with TBB2B_BOVIN | Q6B856 from UniProtKB/Swiss-Prot  Length:445

    Alignment length:426
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421      
          TBB2B_BOVIN     2 REIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGSYHGDSDLQLERINVYYNEATGNKYVPRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVVRKESESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVMPSPKVSDTVVEPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCLRFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQMFDSKNMMAACDPRHGRYLTVAAIFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRGLKMSATFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVSEYQQYQD 427
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....eeee.hhhhhhhhhhhhhhhhh..................hhhhhh...........eeeee.hhhhhhhhh..hhhhh.hhh.eee.........hhhhhhhhhhhhhhhhhhhhhhhh......eeeeee...hhhhhhhhhhhhhhhhhhh...eeeeee............hhhhhhhhhhhhh....eee..hhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhh......eeeee................hhhhhhhhh.........hhhhh.eeeeeeeee...hhhhhhhhhhhhhhhh...........eeeeee..........eeeeeee..hhhhhhhhhhhhhhhhh.hhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------TUBULIN----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.1          Exon 1.2  PDB: A:20-58 (gaps)        ------------------------------------Exon 1.4  PDB: A:95-437 (gaps) UniProt: 93-445 [INCOMPLETE]                                                                                                                                                                                                                                                                                     Transcript 1 (1)
           Transcript 1 (2) ------------------------------------------------------Exon 1.3  PDB: A:58-95 UniProt: 56-93 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 4atx A   2 REIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGSYHGDSDLQLERINVYYNEAAGNKYVPRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVVRKESESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVVPSPKVSDTVVEPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCLRFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQMFDAKNMMAACDPRHGRYLTVAAVFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRGLKMSATFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVSEYQQYQD 437
                                    11        21        31        41  ||    53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353      |371       381       391       401       411       421       431      
                                                                     44|                                                                                                                                                                                                                                                                                                                      360|                                                                    
                                                                      47                                                                                                                                                                                                                                                                                                                       369                                                                    

Chain B from PDB  Type:PROTEIN  Length:429
 aligned with TBA1D_BOVIN | Q2HJ86 from UniProtKB/Swiss-Prot  Length:452

    Alignment length:438
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431        
          TBA1D_BOVIN     2 RECISVHVGQAGVQIGNACWELYCLEHGIQPDGQMPSDKTIGGGDDSFNTFFSETGAGKHVPRAVFVDLEPTVIDEVRTGTYRQLFHPEQLITGKEDAANNYARGHYTIGKELIDLVLDRIRKLADQCTGLQGFLIFHSFGGGTGSGFTSLLMERLSVDYGKKSKLEFSIYPAPQVSTAVVEPYNSILTTHTTLEHSDCAFMVDNEAIYDICRRNLDIERPTYTNLNRLIGQIVSSITASLRFDGALNVDLTEFQTNLVPYPRIHFPLATYAPVISAEKAYHEQLSVAEITNACFEPANQMVKCDPRHGKYMACCLLYRGDVVPKDVNAAIATIKTKRTIQFVDWCPTGFKVGINYQPPTVVPGGDLAKVQRAVCMLSNTTAIAEAWARLDHKFDLMYAKRAFVHWYVGEGMEEGEFSEAREDMAALEKDYEEVGMDS 439
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeeeeehhhhhhhhhhhhhhhhhh..........---------..................eeeee..hhhhhhhh............eee.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh....eeeeee.......hhhhhhhhhhhhhhh.....eeee............hhhhhhhhhhhhh....eeee.hhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhh........eee...............hhhhhhhhhhhhhhh..........eeeeeeeeee..hhhhhhhhhhhhhh.............eeeee.................eeeeeeeee..hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------------------------------------------------------------TUBULIN--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4atx B   2 RECISIHVGQAGVQIGNACWELYCLEHGIQPDGQMP---------DSFNTFFSETGAGKHVPRAVFVDLEPTVIDEVRTGTYRQLFHPEQLITGKEDAANNYARGHYTIGKEIIDLVLDRIRKLADQCTGLQGFSVFHSFGGGTGSGFTSLLMERLSVDYGKKSKLEFSIYPAPQVSTAVVEPYNSILTTHTTLEHSDCAFMVDNEAIYDICRRNLDIERPTYTNLNRLIGQIVSSITASLRFDGALNVDLTEFQTNLVPYPRGHFPLATYAPVISAEKAYHEQLSVAEITNACFEPANQMVKCDPRHGKYMACCLLYRGDVVPKDVNAAIATIKTKRTIQFVDWCPTGFKVGINYEPPTVVPGGDLAKVQRAVCMLSNTTAIAEAWARLDHKFDLMYAKRAFVHWYVGEGMEEGEFSEAREDMAALEKDYEEVGVDS 439
                                    11        21        31     |   -     |  51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431        
                                                              37        47                                                                                                                                                                                                                                                                                                                                                                                                        

Chain C from PDB  Type:PROTEIN  Length:310
 aligned with KINH_RAT | Q2PQA9 from UniProtKB/Swiss-Prot  Length:963

    Alignment length:328
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322        
             KINH_RAT     3 DPAECNIKVMCRFRPLNESEVNRGDKYVAKFQGEDTVMIASKPYAFDRVFQSSTSQEQVYNDCAKKIVKDVLEGYNGTIFAYGQTSSGKTHTMEGKLHDPEGMGIIPRIVQDIFNYIYSMDENLEFHIKVSYFEIYLDKIRDLLDVSKTNLSVHEDKNRVPYVKGCTERFVCSPDEVMDTIDEGKSNRHVAVTNMNEHSSRSHSIFLINVKQENTQTEQKLSGKLYLVDLAGSEKVSKTGAEGAVLDEAKNINKSLSALGNVISALAEGSTYVPYRDSKMTRILQDSLGGNCRTTIVICCSPSSYNESETKSTLLFGQRAKTIKNTVC 330
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeee...hhhhhhhh.....eee...eeee..eeee..eee....hhhhhhhhhhhhhhhhhhhh..eeeeee.....hhhhhhh.........hhhhhhhhhhhhhhhhhh..eeeeeeeeeeeee..eeee..........eee.....eee.....ee..hhhhhhhhhhhhhhhhhh...hhhhhhhhheeeeeeeeeeee.....eeeeeeeeee.....------------------hhhhhhhhhhhhhhhhh....hhhhhhhhhhhh.......eeeeeeee......hhhhhhhhhhhhh......... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----KINESIN_MOTOR_2  PDB: C:8-325 UniProt: 8-325                                                                                                                                                                                                                                                                                  ----- PROSITE (1)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KINESIN_MOTO---------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4atx C   3 DPAECNIKVMCRFRPLNESEVNRGDKYVAKFQGEDTVMIASKPYAFDRVFQSSTSQEQVYNDCAKKIVKDVLEGYNGTIFAYGQTSSGKNHTMEGKLHDPEGMGIIPRIVQDIFNYIYSMDENLEFHIKVSYFEIYLDKIRDLLDVSKTNLSVHEDKNRVPYVKGCTERFVCSPDEVMDTIDEGKSNRHVAVTNMNEHSSRSHSIFLINVKQENTQTEQKLSGKLYLVDLAGSE------------------NKSLSALGNVISALAEGSTYVPYRDSKMTRILQDSLGGNCRTTIVICCSPSSYNESETKSTLLFGQRAKTIKNTVC 330
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232   |     -         -  |    262       272       282       292       302       312       322        
                                                                                                                                                                                                                                                                   236                255                                                                           

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → 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 4ATX)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4ATX)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4ATX)

(-) Gene Ontology  (40, 52)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (TBB2B_BOVIN | Q6B856)
molecular function
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0003924    GTPase activity    Catalysis of the reaction: GTP + H2O = GDP + phosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0005200    structural constituent of cytoskeleton    The action of a molecule that contributes to the structural integrity of a cytoskeletal structure.
biological process
    GO:0007017    microtubule-based process    Any cellular process that depends upon or alters the microtubule cytoskeleton, that part of the cytoskeleton comprising microtubules and their associated proteins.
    GO:0001764    neuron migration    The characteristic movement of an immature neuron from germinal zones to specific positions where they will reside as they mature.
cellular component
    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: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: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.

Chain B   (TBA1D_BOVIN | Q2HJ86)
molecular function
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0003924    GTPase activity    Catalysis of the reaction: GTP + H2O = GDP + phosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0005200    structural constituent of cytoskeleton    The action of a molecule that contributes to the structural integrity of a cytoskeletal structure.
biological process
    GO:0007017    microtubule-based process    Any cellular process that depends upon or alters the microtubule cytoskeleton, that part of the cytoskeleton comprising microtubules and their associated proteins.
cellular component
    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: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.

Chain C   (KINH_RAT | Q2PQA9)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0008574    ATP-dependent microtubule motor activity, plus-end-directed    Catalysis of movement along a microtubule toward the plus end, coupled to the hydrolysis of ATP.
    GO:0008432    JUN kinase binding    Interacting selectively and non-covalently with JUN kinase, an enzyme that catalyzes the phosphorylation and activation of members of the JUN family.
    GO:0008017    microtubule binding    Interacting selectively and non-covalently with microtubules, filaments composed of tubulin monomers.
    GO:0003777    microtubule motor activity    Catalysis of movement along a microtubule, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP).
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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).
biological process
    GO:0007411    axon guidance    The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.
    GO:0007028    cytoplasm organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the cytoplasm. The cytoplasm is all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0007018    microtubule-based movement    A microtubule-based process that results in the movement of organelles, other microtubules, or other cellular components. Examples include motor-driven movement along microtubules and movement driven by polymerization or depolymerization of microtubules.
    GO:0072383    plus-end-directed vesicle transport along microtubule    The directed movement of a vesicle towards the plus end of a microtubule, mediated by motor proteins. This process begins with the attachment of a vesicle to a microtubule, and ends when the vesicle reaches its final destination.
    GO:0090004    positive regulation of establishment of protein localization to plasma membrane    Any process that increases the frequency, rate or extent of the directed movement of a protein to a specific location in the plasma membrane.
    GO:0035774    positive regulation of insulin secretion involved in cellular response to glucose stimulus    Any process that increases the frequency, rate or extent of the regulated release of insulin that contributes to the response of a cell to glucose.
    GO:0090316    positive regulation of intracellular protein transport    Any process that activates or increases the frequency, rate or extent of the directed movement of proteins within cells.
    GO:0043268    positive regulation of potassium ion transport    Any process that activates or increases the frequency, rate or extent of the directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0032230    positive regulation of synaptic transmission, GABAergic    Any process that activates, maintains or increases the frequency, rate or extent of GABAergic synaptic transmission, the process of communication from a neuron to another neuron across a synapse using the neurotransmitter gamma-aminobutyric acid (GABA).
    GO:0031340    positive regulation of vesicle fusion    Any process that activates or increases the frequency, rate or extent of vesicle fusion.
    GO:1905152    positive regulation of voltage-gated sodium channel activity    Any process that activates or increases the frequency, rate or extent of voltage-gated sodium channel activity.
    GO:0042391    regulation of membrane potential    Any process that modulates the establishment or extent of a membrane potential, the electric potential existing across any membrane arising from charges in the membrane itself and from the charges present in the media on either side of the membrane.
    GO:0035617    stress granule disassembly    The disaggregation of a stress granule into its constituent protein and RNA parts.
    GO:0047496    vesicle transport along microtubule    The directed movement of a vesicle along a microtubule, mediated by motor proteins. This process begins with the attachment of a vesicle to a microtubule, and ends when the vesicle reaches its final destination.
cellular component
    GO:0044295    axonal growth cone    The migrating motile tip of a growing nerve cell axon.
    GO:0035253    ciliary rootlet    A cytoskeleton-like structure, originating from the basal body at the proximal end of a cilium, and extending proximally toward the cell nucleus. Rootlets are typically 80-100 nm in diameter and contain cross striae distributed at regular intervals of approximately 55-70 nm.
    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:0030139    endocytic vesicle    A membrane-bounded intracellular vesicle formed by invagination of the plasma membrane around an extracellular substance. Endocytic vesicles fuse with early endosomes to deliver the cargo for further sorting.
    GO:0005871    kinesin complex    Any complex that includes a dimer of molecules from the kinesin superfamily, a group of related proteins that contain an extended region of predicted alpha-helical coiled coil in the main chain that likely produces dimerization. The native complexes of several kinesin family members have also been shown to contain additional peptides, often designated light chains as all of the noncatalytic subunits that are currently known are smaller than the chain that contains the motor unit. Kinesin complexes generally possess a force-generating enzymatic activity, or motor, which converts the free energy of the gamma phosphate bond of ATP into mechanical work.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0043227    membrane-bounded organelle    Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
    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:0005815    microtubule organizing center    An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
    GO:0043005    neuron projection    A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
    GO:0048471    perinuclear region of cytoplasm    Cytoplasm situated near, or occurring around, the nucleus.
    GO:0031982    vesicle    Any small, fluid-filled, spherical organelle enclosed by membrane.

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 Related Entries

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

UniProtKB/Swiss-Prot
        TBA1D_BOVIN | Q2HJ861jff 1sa0 1sa1 1tvk 1z2b 2wbe 2xrp 3edl 3iz0 4aqv 4aqw 4atu 4ck5 4ck6 4ck7 5m5i 5m5l 5m5m 5m5n 5m5o
        TBB2B_BOVIN | Q6B8561sa0 1sa1 1tvk 1z2b 2p4n 2wbe 2xrp 3dco 3du7 3e22 3iz0 3j1t 3j1u 3j2u 4aqv 4aqw 4atu 4ck5 4ck6 4ck7 4i4t 4i50 4i55 4ihj 4iij 4o2a 4o2b 4o4h 4o4i 4o4j 4o4l 4tuy 4tv8 4tv9 4uxo 4uxp 4uxr 4uxs 4uxt 4uxy 4uy0 4wbn 4yj2 4yj3 5eib 5ezy 5gon 5hnw 5hnx 5hny 5hnz 5itz 5iyz 5j2t 5j2u 5jh7 5jvd 5la6 5lov 5lp6 5lxt 5lyj 5m5i 5m5l 5m5m 5m5n 5m5o 5m7e 5m7g 5m8d 5m8g 5njh 5o7a

(-) Related Entries Specified in the PDB File

1jff REFINED STRUCTURE OF ALPHA-BETA TUBULIN FROM ZINC- INDUCEDSHEETS STABILIZED WITH TAXOL
1sa0 TUBULIN-COLCHICINE: STATHMIN-LIKE DOMAIN COMPLEX
1sa1 TUBULIN-PODOPHYLLOTOXIN: STATHMIN-LIKE DOMAIN COMPLEX
1tvk THE BINDING MODE OF EPOTHILONE A ON A,B-TUBULIN BY ELECTRONCRYSTALLOGRAPHY
1z2b TUBULIN-COLCHICINE-VINBLASTINE: STATHMIN-LIKE DOMAIN COMPLEX
2wbe KINESIN-5-TUBULIN COMPLEX WITH AMPPNP
2xrp HUMAN DOUBLECORTIN N-DC REPEAT (1MJD) AND MAMMALIAN TUBULIN (1JFF AND 3HKE) DOCKED INTO THE 8-ANGSTROM CRYO-EM MAP OF DOUBLECORTIN-STABILISED MICROTUBULES
4aqv MODEL OF HUMAN KINESIN-5 MOTOR DOMAIN (3HQD) AND MAMMALIAN TUBULIN HETERODIMER (1JFF) DOCKED INTO THE 9. 7-ANGSTROM CRYO-EM MAP OF MICROTUBULE-BOUND KINESIN- 5 MOTOR DOMAIN IN THE AMPPPNP STATE.
4aqw MODEL OF HUMAN KINESIN-5 MOTOR DOMAIN (1II6, 3HQD) AND MAMMALIAN TUBULIN HETERODIMER (1JFF) DOCKED INTO THE 9.5-ANGSTROM CRYO-EM MAP OF MICROTUBULE-BOUND KINESIN-5 MOTOR DOMAIN IN THE RIGOR STATE.
4atu HUMAN DOUBLECORTIN N-DC REPEAT PLUS LINKER, AND TUBULIN (2XRP) DOCKED INTO AN 8A CRYO-EM MAP OF DOUBLECORTIN-STABILISED MICROTUBULES RECONSTRUCTED IN ABSENCE OF KINESIN RELATED ID: EMD-2098 RELATED DB: EMDB CRYO-ELECTRON MICROSCOPY RECONSTRUCTION OF DOUBLECORTIN -STABILISED MICROTUBULES IN PRESENCE OF KINESIN