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(-) Description

Title :  STRUCTURE OF MYOSIN VIIA MYTH4-FERM-SH3 IN COMPLEX WITH THE CEN1 OF SANS
 
Authors :  L. Wu, L. F. Pan, Z. Y. Wei, M. J. Zhang
Date :  07 Dec 10  (Deposition) - 02 Mar 11  (Release) - 02 Mar 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Protein Complex, Novel Folding, Protein Cargo Binding, Cargo Proteins, Motor Protein-Protein Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  L. Wu, L. Pan, Z. Wei, M. Zhang
Structure Of Myth4-Ferm Domains In Myosin Viia Tail Bound T Cargo.
Science V. 331 757 2011
PubMed-ID: 21311020  |  Reference-DOI: 10.1126/SCIENCE.1198848

(-) Compounds

Molecule 1 - MYOSIN VIIA ISOFORM 1
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21
    Expression System Taxid562
    Expression System Vector TypePET32A
    FragmentMYTH4-FERM-SH3 REGION
    GeneMYO7A
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 2 - USHER SYNDROME TYPE-1G PROTEIN
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21
    Expression System Taxid562
    Expression System Vector TypePGEX4T-1
    FragmentCENTRAL REGION OF SANS, THE CEN1 MOTIF
    GeneUSH1G, SANS
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymSCAFFOLD PROTEIN CONTAINING ANKYRIN REPEATS AND SAM DOMAIN

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 11)

Asymmetric/Biological Unit (2, 11)
No.NameCountTypeFull Name
1GOL9Ligand/IonGLYCEROL
2PO42Ligand/IonPHOSPHATE ION

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLU A:1475 , LYS A:1486 , ASP A:1488 , ASP A:1502 , GLU A:1503BINDING SITE FOR RESIDUE GOL A 1
02AC2SOFTWAREPRO A:1467 , TYR A:1499 , GLU A:1510BINDING SITE FOR RESIDUE GOL A 2
03AC3SOFTWAREGLU A:1383 , GLU A:1385 , GLU A:1421 , LYS A:1426BINDING SITE FOR RESIDUE GOL A 3
04AC4SOFTWAREPRO A:1482 , LYS A:1538 , ASP A:1540 , TYR A:1542BINDING SITE FOR RESIDUE GOL A 4
05AC5SOFTWAREHIS A:1029 , ASP A:1030 , ASP A:1031 , ASP A:1034 , ALA A:1166BINDING SITE FOR RESIDUE GOL A 5
06AC6SOFTWAREPO4 A:11 , ARG A:1373 , PO4 B:10 , GLY B:311BINDING SITE FOR RESIDUE GOL B 6
07AC7SOFTWARETYR A:1329BINDING SITE FOR RESIDUE GOL A 7
08AC8SOFTWAREPHE A:1397 , VAL A:1398 , ASP A:1399BINDING SITE FOR RESIDUE GOL A 8
09AC9SOFTWAREVAL A:1507 , LEU A:1508BINDING SITE FOR RESIDUE GOL A 9
10BC1SOFTWAREGOL B:6 , ARG B:309 , PRO B:310 , GLY B:311 , LEU B:312 , GLY B:313BINDING SITE FOR RESIDUE PO4 B 10
11BC2SOFTWAREARG A:1343 , GOL B:6BINDING SITE FOR RESIDUE PO4 A 11

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (3, 3)

Asymmetric/Biological Unit (3, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MYTH4PS51016 MyTH4 domain profile.MYO7A_MOUSE1017-1253
1747-1896
  1A:1017-1253
-
2FERM_3PS50057 FERM domain profile.MYO7A_MOUSE1258-1605
1902-2205
  1A:1258-1567
-
3SH3PS50002 Src homology 3 (SH3) domain profile.MYO7A_MOUSE1603-1672  1A:1565-1634

(-) Exons   (0, 0)

(no "Exon" information available for 3PVL)

(-) 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:597
 aligned with MYO7A_MOUSE | P97479 from UniProtKB/Swiss-Prot  Length:2215

    Alignment length:694
                                  1002      1012      1022      1032      1042      1052      1062      1072      1082      1092      1102      1112      1122      1132      1142      1152      1162      1172      1182      1192      1202      1212      1222      1232      1242      1252      1262      1272      1282      1292      1302      1312      1322      1332      1342      1352      1362      1372      1382      1392      1402      1412      1422      1432      1442      1452      1462      1472      1482      1492      1502      1512      1522      1532      1542      1552      1562      1572      1582      1592      1602      1612      1622      1632      1642      1652      1662      1672      1682    
         MYO7A_MOUSE    993 EEDLSEYKFAKFAATYFQGTTTHSYTRRPLKQPLLYHDDEGDQLAALAVWITILRFMGDLPEPKYHTAMSDGSEKIPVMTKIYETLGKKTYKRELQALQGEGETQLPEGQKKTSVRHKLVHLTLKKKSKLTEEVTKRLNDGESTVQGNSMLEDRPTSNLEKLHFIIGNGILRPALRDEIYCQISKQLTHNPSKSSYARGWILVSLCVGCFAPSEKFVKYLRNFIHGGPPGYAPYCEERLRRTFVNGTRTQPPSWLELQATKSKKPIMLPVTFMDGTTKTLLTDSATTARELCNALADKISLKDRFGFSLYIALFDKVSSLGSGSDHVMDAISQCEQYAKEQGAQERNAPWRLFFRKEVFTPWHNPSEDNVATNLIYQQVVRGVKFGEYRCEKEDDLAELASQQYFVDYGSEMILERLLSLVPTYIPDREITPLKNLEKWAQLAIAAHKKGIYAQRRTDSQKVKEDVVNYARFKWPLLFSRFYEAYKFSGPPLPKSDVIVAVNWTGVYFVDEQEQVLLELSFPEIMAVSSSRECRVLLSLGCSDLGCATCQSGRAGLTPAGPCSPCWSCRGTKMMAPSFTLATIKGDEYTFTSSNAEDIRDLVVTFLEGLRKRSKYVVALQDNPNPAGEESGFLSFAKGDLIILDHDTGEQVMNSGWANGINERTKQRGDFPTDCVYVMPTVTLPPREIVALVTM 1686
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhh.....................hhhhhhhhhhhhhhhhhhh.........--------..hhhhhhhh......hhhhhhh..----------------------------------------------...........hhhhhhhhhhhhhhhh..hhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhh....hhhhhhhhhhhhhhhh......hhhhhhhhhhh..eeeeeee....eeeeee....hhhhhhhhhhhhh.......eeeeeee..eeeeee....hhhhhhhhhhhhhhh...hhhhh..eeeeee.......hhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh.....eeeeeeeee.......eeeeeee..eeeee.....eeeeee...eeeeeee.--------------------------------------.......eeeeee....eeeee..hhhhhhhhhhhhhhhhhhhh.eeee......-----..........eee....hhhhhhhh.eeeeee.....eeeee...eee.......hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------MYTH4  PDB: A:1017-1253 UniProt: 1017-1253                                                                                                                                                                                                   ----FERM_3  PDB: A:1258-1567 UniProt: 1258-1605                                                                                                                                                                                                                                                                                                                 --------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SH3  PDB: A:1565-1634 UniProt: 1603-1672                              -------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                3pvl A  993 EEDLSEYKFAKFAATYFQGTTTHSYTRRPLKQPLLYHDDEGDQLAALAVWITILRFMGDLPEPKYH--------KIPVMTKIYETLGKKTYKRELQALQ----------------------------------------------QGNSMLEDRPTSNLEKLHFIIGNGILRPALRDEIYCQISKQLTHNPSKSSYARGWILVSLCVGCFAPSEKFVKYLRNFIHGGPPGYAPYCEERLRRTFVNGTRTQPPSWLELQATKSKKPIMLPVTFMDGTTKTLLTDSATTARELCNALADKISLKDRFGFSLYIALFDKVSSLGSGSDHVMDAISQCEQYAKEQGAQERNAPWRLFFRKEVFTPWHNPSEDNVATNLIYQQVVRGVKFGEYRCEKEDDLAELASQQYFVDYGSEMILERLLSLVPTYIPDREITPLKNLEKWAQLAIAAHKKGIYAQRRTDSQKVKEDVVNYARFKWPLLFSRFYEAYKFSGPPLPKSDVIVAVNWTGVYFVDEQEQVLLELSFPEIMAVSSSR--------------------------------------GTKMMAPSFTLATIKGDEYTFTSSNAEDIRDLVVTFLEGLRKRSKYVVALQDNPN-----SGFLSFAKGDLIILDHDTGEQVMNSGWANGINERTKQRGDFPTDCVYVMPTVTLPPREIVALVTM 1648
                                  1002      1012      1022      1032      1042      1052     |   -    | 1072      1082        |-         -         -         -         -     |1142      1152      1162      1172      1182      1192      1202      1212      1222      1232      1242      1252      1262      1272      1282      1292      1302      1312      1322      1332      1342      1352      1362      1372      1382      1392      1402      1412      1422      1432      1442      1452      1462      1472      1482      1492      1502      1512      1522|        -         -         -      1524      1534      1544      1554      1564      1574   |  1584      1594      1604      1614      1624      1634      1644    
                                                                                          1058     1067                    1091                                           1138                                                                                                                                                                                                                                                                                                                                                                                             1523                                   1524                                                  1578  1584                                                                

Chain B from PDB  Type:PROTEIN  Length:16
 aligned with USH1G_HUMAN | Q495M9 from UniProtKB/Swiss-Prot  Length:461

    Alignment length:16
                                   314      
         USH1G_HUMAN    305 SLFTRPGLGTMVFRRN  320
               SCOP domains ---------------- SCOP domains
               CATH domains ---------------- CATH domains
               Pfam domains ---------------- Pfam domains
         Sec.struct. author ...ee...eee..... Sec.struct. author
                 SAPs(SNPs) ---------------- SAPs(SNPs)
                    PROSITE ---------------- PROSITE
                 Transcript ---------------- Transcript
                3pvl B  305 SLFTRPGLGTMVFRRN  320
                                   314      

   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 3PVL)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3PVL)

(-) Gene Ontology  (58, 72)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (MYO7A_MOUSE | P97479)
molecular function
    GO:0043531    ADP binding    Interacting selectively and non-covalently with ADP, adenosine 5'-diphosphate.
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0003779    actin binding    Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
    GO:0051015    actin filament binding    Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
    GO:0030898    actin-dependent ATPase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate. This reaction requires the presence of an actin filament to accelerate release of ADP and phosphate.
    GO:0005516    calmodulin binding    Interacting selectively and non-covalently with calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states.
    GO:0000146    microfilament motor activity    Catalysis of movement along a microfilament, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP).
    GO:0003774    motor activity    Catalysis of the generation of force resulting either in movement along a microfilament or microtubule, or in torque resulting in membrane scission, coupled to the hydrolysis of a nucleoside triphosphate.
    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:0047485    protein N-terminus binding    Interacting selectively and non-covalently with a protein N-terminus, the end of any peptide chain at which the 2-amino (or 2-imino) function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
    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:0032403    protein complex binding    Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0019904    protein domain specific binding    Interacting selectively and non-covalently with a specific domain of a protein.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0030507    spectrin binding    Interacting selectively and non-covalently with spectrin, a protein that is the major constituent of the erythrocyte cytoskeletal network. It associates with band 4.1 (see band protein) and actin to form the cytoskeletal superstructure of the erythrocyte plasma membrane. It is composed of nonhomologous chains, alpha and beta, which aggregate side-to-side in an antiparallel fashion to form dimers, tetramers, and higher polymers.
biological process
    GO:0030048    actin filament-based movement    Movement of organelles or other particles along actin filaments, or sliding of actin filaments past each other, mediated by motor proteins.
    GO:0042491    auditory receptor cell differentiation    The process in which a relatively unspecialized cell acquires specialized features of an auditory hair cell.
    GO:0060088    auditory receptor cell stereocilium organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a stereocilium. A stereocilium is an actin-based protrusion from the apical surface of auditory hair cells.
    GO:0030030    cell projection organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a prolongation or process extending from a cell, e.g. a flagellum or axon.
    GO:0050957    equilibrioception    The series of events required for an organism to receive an orientational stimulus, convert it to a molecular signal, and recognize and characterize the signal. Equilibrioception refers to a combination of processes by which an organism can perceive its orientation with respect to gravity. In animals, stimuli come from labyrinth system of the inner ears, monitoring the direction of motion; visual stimuli, with information on orientation and motion; pressure receptors, which tell the organism which body surfaces are in contact with the ground; and proprioceptive cues, which report which parts of the body are in motion.
    GO:0048839    inner ear development    The process whose specific outcome is the progression of the inner ear over time, from its formation to the mature structure.
    GO:0042472    inner ear morphogenesis    The process in which the anatomical structures of the inner ear are generated and organized. The inner ear is the structure in vertebrates that contains the organs of balance and hearing. It consists of soft hollow sensory structures (the membranous labyrinth) containing fluid (endolymph) surrounded by fluid (perilymph) and encased in a bony cavity (the bony labyrinth). It consists of two chambers, the sacculus and utriculus, from which arise the cochlea and semicircular canals respectively.
    GO:0060113    inner ear receptor cell differentiation    The process in which relatively unspecialized cells, acquire specialized structural and/or functional features of inner ear receptor cells. Inner ear receptor cells are mechanorecptors found in the inner ear responsible for transducing signals involved in balance and sensory perception of sound.
    GO:0060122    inner ear receptor stereocilium organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a stereocilium. A stereocilium is an actin-based protrusion from the apical surface of inner ear receptor cells.
    GO:0006886    intracellular protein transport    The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell.
    GO:0007040    lysosome organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a lysosome. A lysosome is a cytoplasmic, membrane-bounded organelle that is found in most animal cells and that contains a variety of hydrolases.
    GO:0042490    mechanoreceptor differentiation    The process in which a relatively unspecialized cell acquires specialized features of a mechanoreceptor, a cell specialized to transduce mechanical stimuli and relay that information centrally in the nervous system.
    GO:0006909    phagocytosis    An endocytosis process that results in the engulfment of external particulate material by phagocytes. The particles are initially contained within phagocytic vacuoles (phagosomes), which then fuse with primary lysosomes to effect digestion of the particles.
    GO:0001845    phagolysosome assembly    The process that results in the fusion of a phagosome, a vesicle formed by phagocytosis, with a lysosome.
    GO:0051875    pigment granule localization    Any process in which a pigment granule is transported to, and/or maintained in, a specific location within the cell.
    GO:0051904    pigment granule transport    The directed movement of pigment granules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0048563    post-embryonic animal organ morphogenesis    Morphogenesis, during the post-embryonic phase, of an animal tissue or tissues that work together to perform a specific function or functions. Morphogenesis pertains to process in which anatomical structures are generated and organized. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
    GO:0007600    sensory perception    The series of events required for an organism to receive a sensory stimulus, convert it to a molecular signal, and recognize and characterize the signal. This is a neurological process.
    GO:0050953    sensory perception of light stimulus    The series of events required for an organism to receive a sensory light stimulus, convert it to a molecular signal, and recognize and characterize the signal. This is a neurological process.
    GO:0007605    sensory perception of sound    The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.
    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:0007601    visual perception    The series of events required for an organism to receive a visual stimulus, convert it to a molecular signal, and recognize and characterize the signal. Visual stimuli are detected in the form of photons and are processed to form an image.
cellular component
    GO:0016324    apical plasma membrane    The region of the plasma membrane located at the apical end of the cell.
    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: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:0005765    lysosomal membrane    The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.
    GO:0042470    melanosome    A tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored. Melanosomes are synthesized in melanocyte cells.
    GO:0005902    microvillus    Thin cylindrical membrane-covered projections on the surface of an animal cell containing a core bundle of actin filaments. Present in especially large numbers on the absorptive surface of intestinal cells.
    GO:0031477    myosin VII complex    A myosin complex containing a dimer of class VII myosin heavy chains and associated light chains. Myosin VII (240 kDa) is predicted to be a dimeric molecule with 5 IQ motifs and a tail region with a short stretch of coiled coil followed by two myosin-tail homology (MyTH4) domains, two talin-binding (FERM) domains and an SH3-domain.
    GO:0016459    myosin complex    A protein complex, formed of one or more myosin heavy chains plus associated light chains and other proteins, that functions as a molecular motor; uses the energy of ATP hydrolysis to move actin filaments or to move vesicles or other cargo on fixed actin filaments; has magnesium-ATPase activity and binds actin. Myosin classes are distinguished based on sequence features of the motor, or head, domain, but also have distinct tail regions that are believed to bind specific cargoes.
    GO:0032391    photoreceptor connecting cilium    The portion of the photoreceptor cell cilium linking the photoreceptor inner and outer segments. It's considered to be equivalent to the ciliary transition zone.
    GO:0001917    photoreceptor inner segment    The inner segment of a vertebrate photoreceptor containing mitochondria, ribosomes and membranes where opsin molecules are assembled and passed to be part of the outer segment discs.
    GO:0001750    photoreceptor outer segment    The outer segment of a vertebrate photoreceptor that contains discs of photoreceptive membranes.
    GO:0032420    stereocilium    An actin-based protrusion from the apical surface of auditory and vestibular hair cells and of neuromast cells. These protrusions are supported by a bundle of cross-linked actin filaments (an actin cable), oriented such that the plus (barbed) ends are at the tip of the protrusion, capped by a tip complex which bridges to the plasma. Bundles of stereocilia act as mechanosensory organelles.
    GO:0045202    synapse    The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
    GO:1990435    upper tip-link density    An electron-dense plaque at the upper end of a stereocilia tip link that provides the anchor in the stereocilia membrane on the side of the stereocilium where the tip link ends.

Chain B   (USH1G_HUMAN | Q495M9)
molecular function
    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:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0030507    spectrin binding    Interacting selectively and non-covalently with spectrin, a protein that is the major constituent of the erythrocyte cytoskeletal network. It associates with band 4.1 (see band protein) and actin to form the cytoskeletal superstructure of the erythrocyte plasma membrane. It is composed of nonhomologous chains, alpha and beta, which aggregate side-to-side in an antiparallel fashion to form dimers, tetramers, and higher polymers.
biological process
    GO:0050957    equilibrioception    The series of events required for an organism to receive an orientational stimulus, convert it to a molecular signal, and recognize and characterize the signal. Equilibrioception refers to a combination of processes by which an organism can perceive its orientation with respect to gravity. In animals, stimuli come from labyrinth system of the inner ears, monitoring the direction of motion; visual stimuli, with information on orientation and motion; pressure receptors, which tell the organism which body surfaces are in contact with the ground; and proprioceptive cues, which report which parts of the body are in motion.
    GO:0042472    inner ear morphogenesis    The process in which the anatomical structures of the inner ear are generated and organized. The inner ear is the structure in vertebrates that contains the organs of balance and hearing. It consists of soft hollow sensory structures (the membranous labyrinth) containing fluid (endolymph) surrounded by fluid (perilymph) and encased in a bony cavity (the bony labyrinth). It consists of two chambers, the sacculus and utriculus, from which arise the cochlea and semicircular canals respectively.
    GO:0060113    inner ear receptor cell differentiation    The process in which relatively unspecialized cells, acquire specialized structural and/or functional features of inner ear receptor cells. Inner ear receptor cells are mechanorecptors found in the inner ear responsible for transducing signals involved in balance and sensory perception of sound.
    GO:0060122    inner ear receptor stereocilium organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a stereocilium. A stereocilium is an actin-based protrusion from the apical surface of inner ear receptor cells.
    GO:0045494    photoreceptor cell maintenance    Any process preventing the degeneration of the photoreceptor, a specialized cell type that is sensitive to light.
    GO:0050953    sensory perception of light stimulus    The series of events required for an organism to receive a sensory light stimulus, convert it to a molecular signal, and recognize and characterize the signal. This is a neurological process.
    GO:0007605    sensory perception of sound    The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.
cellular component
    GO:0015629    actin cytoskeleton    The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
    GO:0036064    ciliary basal body    A membrane-tethered, short cylindrical array of microtubules and associated proteins found at the base of a eukaryotic cilium (also called flagellum) that is similar in structure to a centriole and derives from it. The cilium basal body is the site of assembly and remodelling of the cilium and serves as a nucleation site for axoneme growth. As well as anchoring the cilium, it is thought to provide a selective gateway regulating the entry of ciliary proteins and vesicles by intraflagellar transport.
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0032391    photoreceptor connecting cilium    The portion of the photoreceptor cell cilium linking the photoreceptor inner and outer segments. It's considered to be equivalent to the ciliary transition zone.
    GO:0001917    photoreceptor inner segment    The inner segment of a vertebrate photoreceptor containing mitochondria, ribosomes and membranes where opsin molecules are assembled and passed to be part of the outer segment discs.
    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)

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        MYO7A_MOUSE | P974795wst 5wsu 5wsv
        USH1G_HUMAN | Q495M92l7t 3k1r

(-) Related Entries Specified in the PDB File

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