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(-) Description

Title :  STRUCTURES OF ACTIN-BOUND WH2 DOMAINS OF SPIRE AND THE IMPLICATION FOR FILAMENT NUCLEATION
 
Authors :  A. M. Ducka, T. Sitar, G. M. Popowicz, R. Huber, T. A. Holak
Date :  21 Apr 10  (Deposition) - 02 Jun 10  (Release) - 01 Sep 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym./Biol. Unit :  A,S
Keywords :  Wh2 Domain, Spire, Actin Complex, Contractile Protein-Protein Binding Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. M. Ducka, P. Joel, G. M. Popowicz, K. M. Trybus, M. Schleicher, A. A. Noegel, R. Huber, T. A. Holak, T. Sitar
Structures Of Actin-Bound Wiskott-Aldrich Syndrome Protein Homology 2 (Wh2) Domains Of Spire And The Implication For Filament Nucleation.
Proc. Natl. Acad. Sci. Usa V. 107 11757 2010
PubMed-ID: 20538977  |  Reference-DOI: 10.1073/PNAS.1005347107

(-) Compounds

Molecule 1 - ACTIN, ALPHA SKELETAL MUSCLE
    ChainsA
    Organism CommonEUROPEAN RABBIT,JAPANESE WHITE RABBIT,DOMESTIC RABBIT,RABBITS
    Organism ScientificORYCTOLAGUS CUNICULUS
    Organism Taxid9986
    SynonymALPHA-ACTIN-1
 
Molecule 2 - PROTEIN SPIRE
    ChainsS
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentUNP RESIDUES 448-485, WH2 2 DOMAIN
    GeneSPIR, P150-SPIR, CG10076
    Organism CommonFRUIT FLY
    Organism ScientificDROSOPHILA MELANOGASTER
    Organism Taxid7227

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AS

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 3)

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1ATP1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
2CA1Ligand/IonCALCIUM ION
3LAB1Ligand/IonLATRUNCULIN B

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH A:450 , HOH A:479 , HOH A:787 , ATP A:800BINDING SITE FOR RESIDUE CA A 901
2AC2SOFTWAREGLY A:13 , SER A:14 , GLY A:15 , LEU A:16 , LYS A:18 , GLY A:156 , ASP A:157 , GLY A:158 , VAL A:159 , GLY A:182 , ARG A:210 , LYS A:213 , GLU A:214 , GLY A:301 , GLY A:302 , THR A:303 , MET A:305 , TYR A:306 , LYS A:336 , HOH A:414 , HOH A:450 , HOH A:479 , HOH A:480 , HOH A:515 , HOH A:524 , HOH A:585 , HOH A:624 , HOH A:726 , HOH A:787 , CA A:901BINDING SITE FOR RESIDUE ATP A 800
3AC3SOFTWAREGLY A:15 , LEU A:16 , HOH A:42 , TYR A:69 , ASP A:157 , ARG A:183 , THR A:186 , ARG A:206 , GLU A:207 , ARG A:210 , LYS A:213BINDING SITE FOR RESIDUE LAB A 376

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3MN5)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3MN5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3MN5)

(-) PROSITE Motifs  (4, 4)

Asymmetric/Biological Unit (4, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ACTINS_1PS00406 Actins signature 1.ACTS_RABIT55-65  1A:38-41
2ACTINS_ACT_LIKEPS01132 Actins and actin-related proteins signature.ACTS_RABIT106-118  1A:104-116
3ACTINS_2PS00432 Actins signature 2.ACTS_RABIT358-366  1A:356-364
4WH2PS51082 WH2 domain profile.SPIR_DROME399-417
463-480
  1-
S:463-480

(-) Exons   (0, 0)

(no "Exon" information available for 3MN5)

(-) 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:347
 aligned with ACTS_RABIT | P68135 from UniProtKB/Swiss-Prot  Length:377

    Alignment length:370
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376
           ACTS_RABIT     7 TTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEKSYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIADRMQKEITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQEYDEAGPSIVHRKC 376
               SCOP domains d3mn5a1 A:5-146 automated matches                                                                                                             d3mn5a2 A:147-374 automated matches                                                                                                                                                                                                  SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains Actin-3mn5A01 A:5-374                                                                                                                                                                                                                                                                                                                                                              Pfam domains
         Sec.struct. author ...eeeee...eeeeee.......eeee.....----------------....-------......ee..ee.hhhhhhhhhhhhhhh....hhhhh.eeeee....hhhhhhhhhhhhhhh....eeeeeehhhhhhhhh....eeeeee....eeeeeee..ee.hhhheee..hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh....hhhhhhhhhhhh....eeee.....eeee.hhhhhhhhhhhhhhhhh....hhhhhhhhhhhh.hhhhhhhhhh.eeeehhhhh..hhhhhhhhhhhhhh.......ee...hhhhhhhhhhhhhhhhhhhh...eehhhhhhhh.hhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------ACTINS_1   ----------------------------------------ACTINS_ACT_LI-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ACTINS_2 ---------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3mn5 A   5 TTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGR----------------VGDE-------RTLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEKSYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIADRMQKEITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQEYDEAGPSIVHRKC 374
                                    14        24        34  |      -        38  |      -|       74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374
                                                           37               38 41      65                                                                                                                                                                                                                                                                                                                     

Chain S from PDB  Type:PROTEIN  Length:20
 aligned with SPIR_DROME | Q9U1K1 from UniProtKB/Swiss-Prot  Length:1020

    Alignment length:20
                                   470       480
           SPIR_DROME   461 PSPREQLMESIRKGKELKQI 480
               SCOP domains -------------------- SCOP domains
               CATH domains -------------------- CATH domains
               Pfam domains -------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------- SAPs(SNPs)
                    PROSITE --WH2  PDB: S:463-48 PROSITE
                 Transcript -------------------- Transcript
                 3mn5 S 461 PSPREQLMESIRKGKELKQI 480
                                   470       480

   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  (2, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3MN5)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (41, 44)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ACTS_RABIT | P68135)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0048306    calcium-dependent 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), in the presence of calcium.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    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:0090131    mesenchyme migration    The process in which the population of cells that make up a mesenchyme undergo directed movement.
    GO:0010628    positive regulation of gene expression    Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:0048741    skeletal muscle fiber development    The process whose specific outcome is the progression of the skeletal muscle fiber over time, from its formation to the mature structure. Muscle fibers are formed by the maturation of myotubes. They can be classed as slow, intermediate/fast or fast.
    GO:0030240    skeletal muscle thin filament assembly    The aggregation, arrangement and bonding together of proteins to form the actin-based thin filaments of myofibrils in skeletal muscle.
cellular component
    GO:0005884    actin filament    A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
    GO:0044297    cell body    The portion of a cell bearing surface projections such as axons, dendrites, cilia, or flagella that includes the nucleus, but excludes all cell projections.
    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:0030175    filopodium    Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
    GO:0030027    lamellipodium    A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
    GO:0001725    stress fiber    A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.
    GO:0005865    striated muscle thin filament    Filaments formed of actin and associated proteins; attached to Z discs at either end of sarcomeres in myofibrils.

Chain S   (SPIR_DROME | Q9U1K1)
molecular function
    GO:0003779    actin binding    Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
    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).
biological process
    GO:0030036    actin 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 actin filaments and their associated proteins.
    GO:0051639    actin filament network formation    The assembly of a network of actin filaments; actin filaments on different axes and with differing orientations are crosslinked together to form a mesh of filaments.
    GO:0007015    actin filament 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 actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.
    GO:0030029    actin filament-based process    Any cellular process that depends upon or alters the actin cytoskeleton, that part of the cytoskeleton comprising actin filaments and their associated proteins.
    GO:0045010    actin nucleation    The initial step in the formation of an actin filament, in which actin monomers combine to form a new filament. Nucleation is slow relative to the subsequent addition of more monomers to extend the filament.
    GO:0007304    chorion-containing eggshell formation    The construction of a chorion-containing eggshell. An example of this is found in Drosophila melanogaster.
    GO:0030717    karyosome formation    The chromosome organization process in which meiotic chromosomes in the oocyte nucleus cluster together to form a compact spherical structure called the karyosome.
    GO:0007275    multicellular organism development    The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
    GO:0048477    oogenesis    The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster.
    GO:0007316    pole plasm RNA localization    Any process in which RNA is transported to, or maintained in, the oocyte pole plasm. An example of this is found in Drosophila melanogaster.
    GO:0007315    pole plasm assembly    Establishment of the specialized cytoplasm found at the poles of the egg. An example of this is found in Drosophila melanogaster.
    GO:0045451    pole plasm oskar mRNA localization    Any process in which oskar mRNA is transported to, or maintained in, the oocyte pole plasm.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0051493    regulation of cytoskeleton organization    Any process that modulates the frequency, rate or extent of the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
    GO:0016192    vesicle-mediated transport    A cellular transport process in which transported substances are moved in membrane-bounded vesicles; transported substances are enclosed in the vesicle lumen or located in the vesicle membrane. The process begins with a step that directs a substance to the forming vesicle, and includes vesicle budding and coating. Vesicles are then targeted to, and fuse with, an acceptor membrane.
cellular component
    GO:0005938    cell cortex    The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0031410    cytoplasmic vesicle    A vesicle found in the cytoplasm of a cell.
    GO:0030659    cytoplasmic vesicle membrane    The lipid bilayer surrounding a cytoplasmic vesicle.
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0048471    perinuclear region of cytoplasm    Cytoplasm situated near, or occurring around, the nucleus.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        ACTS_RABIT | P681351alm 1atn 1eqy 1esv 1h1v 1ijj 1j6z 1kxp 1lcu 1lot 1m8q 1ma9 1mvw 1nwk 1o18 1o19 1o1a 1o1b 1o1c 1o1d 1o1e 1o1f 1o1g 1p8z 1qz5 1qz6 1rdw 1rfq 1rgi 1s22 1sqk 1t44 1uy5 1wua 1y64 1yxq 2a3z 2a40 2a41 2a42 2a5x 2asm 2aso 2asp 2d1k 2ff3 2ff6 2fxu 2gwj 2gwk 2hmp 2pav 2pbd 2q0r 2q0u 2q1n 2q31 2q36 2q97 2v51 2v52 2vcp 2vyp 2w49 2w4u 2y83 2yje 2yjf 2zwh 3b5u 3buz 3cjb 3cjc 3daw 3ffk 3g37 3hbt 3j4k 3j8a 3j8i 3j8j 3j8k 3jbi 3jbj 3jbk 3m1f 3m3n 3m6g 3mfp 3sjh 3tpq 3tu5 3u8x 3u9z 3ue5 4a7f 4a7h 4a7l 4a7n 4b1v 4b1w 4b1x 4b1y 4b1z 4eah 4gy2 4h03 4h0t 4h0v 4h0x 4h0y 4k41 4k42 4k43 4pkg 4pkh 4pki 4pl8 4v0u 4wyb 4z94 5h53 5jlf 5kg8
        SPIR_DROME | Q9U1K13mmv 3mn6 3mn7 3mn9 3ue5 4efh

(-) Related Entries Specified in the PDB File

1ijj THE X-RAY CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN RABBIT SKELETAL MUSCLE ACTIN AND LATRUNCULIN A AT 2.85 A RESOLUTION
3mmv
3mn6
3mn7
3mn9