Show PDB file:   
         Plain Text   HTML   (compressed file size)
QuickSearch:   
by PDB,NDB,UniProt,PROSITE Code or Search Term(s)  
(-)Asym./Biol. Unit
(-)Asym./Biol. Unit - sites
collapse expand < >
Image Asym./Biol. Unit
Asym./Biol. Unit  (Jmol Viewer)
Image Asym./Biol. Unit - sites
Asym./Biol. Unit - sites  (Jmol Viewer)

(-) Description

Title :  CRYSTAL STRUCTURE OF THE TITIN M10-OBSCURIN IG DOMAIN 1 COMPLEX
 
Authors :  S. Pernigo, A. Fukuzawa, M. Gautel, R. A. Steiner
Date :  05 Sep 13  (Deposition) - 24 Sep 14  (Release) - 04 Mar 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym./Biol. Unit :  O,T
Keywords :  Transferase, Sarcomere, Immunoglobulin Domain, Limb-Girdle Muscular Dystrophy (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. Pernigo, A. Fukuzawa, A. Pandini, M. Holt, J. Kleinjung, M. Gautel, R. A. Steiner
The Crystal Structure Of The Human Titin:Obscurin Complex Reveals A Conserved Yet Specific Muscle M-Band Zipper Module.
J. Mol. Biol. V. 427 718 2015
PubMed-ID: 25490259  |  Reference-DOI: 10.1016/J.JMB.2014.11.019

(-) Compounds

Molecule 1 - OBSCURIN
    ChainsO
    EC Number2.7.11.1
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantROSETTA 2
    Expression System VectorPET-HT
    Expression System Vector TypePLASMID
    FragmentFIRST IG DOMAIN, RESIDUES 9-103
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymOBSCURIN-RHOGEF, OBSCURIN-MYOSIN LIGHT CHAIN KINASE, OBSCURIN-MLCK
 
Molecule 2 - TITIN
    ChainsT
    EC Number2.7.11.1
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantROSETTA 2
    Expression System VectorPET-HT
    Expression System Vector TypePLASMID
    FragmentM10 DOMAIN, RESIDUES 34252-34350
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymCONNECTIN, RHABDOMYOSARCOMA ANTIGEN MU-RMS-40.14

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit OT

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 12)

Asymmetric/Biological Unit (1, 12)
No.NameCountTypeFull Name
1EDO12Ligand/Ion1,2-ETHANEDIOL

(-) Sites  (12, 12)

Asymmetric Unit (12, 12)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG O:15 , ALA O:18 , VAL O:95 , HOH O:2059BINDING SITE FOR RESIDUE EDO O1101
02AC2SOFTWAREARG O:11 , LYS O:25 , ASP O:26 , HOH O:2012 , GLU T:56BINDING SITE FOR RESIDUE EDO O1102
03AC3SOFTWAREVAL O:50 , ALA O:51 , HOH O:2030BINDING SITE FOR RESIDUE EDO O1103
04AC4SOFTWAREARG T:43 , GLU T:49 , GLN T:50 , PHE T:53 , HOH T:2042BINDING SITE FOR RESIDUE EDO T1099
05AC5SOFTWARETRP O:43 , LEU O:58 , ALA O:59 , ARG O:66BINDING SITE FOR RESIDUE EDO O1104
06AC6SOFTWAREASP T:13 , ARG T:43 , ASN T:93BINDING SITE FOR RESIDUE EDO T1100
07AC7SOFTWARELEU O:64 , ARG O:66 , HOH O:2043 , HOH T:2030BINDING SITE FOR RESIDUE EDO O1105
08AC8SOFTWAREVAL O:20 , VAL O:21 , VAL O:23 , GLY O:24 , GLN O:98 , VAL O:99 , ASP O:100BINDING SITE FOR RESIDUE EDO O1106
09AC9SOFTWAREALA O:54 , EDO O:1107 , GLY T:42 , LYS T:71BINDING SITE FOR RESIDUE EDO T1101
10BC1SOFTWAREGLY O:53 , ALA O:54 , ARG O:55 , PHE O:56 , HOH O:2034 , EDO T:1101BINDING SITE FOR RESIDUE EDO O1107
11BC2SOFTWAREPHE T:28 , PRO T:34 , THR T:58 , HOH T:2017BINDING SITE FOR RESIDUE EDO T1102
12BC3SOFTWAREGLN O:79 , ILE T:7 , GLU T:8 , ALA T:9 , LEU T:10BINDING SITE FOR RESIDUE EDO T1103

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4C4K)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asn O:36 -Pro O:37
2Glu T:31 -Pro T:32

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 3)

Asymmetric/Biological Unit (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_026409A51TOBSCN_HUMANPolymorphism1771487OA51T
2UniProtVAR_026694I34306NTITIN_HUMANDisease (TMD)281864928TI55N
3UniProtVAR_026695L34315PTITIN_HUMANDisease (TMD)267607156TL64P

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4C4K)

(-) Exons   (0, 0)

(no "Exon" information available for 4C4K)

(-) 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 O from PDB  Type:PROTEIN  Length:94
 aligned with OBSCN_HUMAN | Q5VST9 from UniProtKB/Swiss-Prot  Length:7968

    Alignment length:94
                                    16        26        36        46        56        66        76        86        96    
        OBSCN_HUMAN       7 SGAPRFLTRPKAFVVSVGKDATLSCQIVGNPTPQVSWEKDQQPVAAGARFRLAQDGDLYRLTILDLALGDSGQYVCRARNAIGEAFAAVGLQVD   100
               SCOP domains ---------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee....eee.......eeeeeeeeee...eeeeee..ee......eeeeee..eeeeee...hhhhheeeeeeee...eeeeeeeee... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------T------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------- Transcript
               4c4k O     7 SSAPRFLTRPKAFVVSVGKDATLSCQIVGNPTPQVSWEKDQQPVAAGARFRLAQDGDLYRLTILDLALGDSGQYVCRARNAIGEAFAAVGLQVD   100
                                    16        26        36        46        56        66        76        86        96    

Chain T from PDB  Type:PROTEIN  Length:97
 aligned with TITIN_HUMAN | Q8WZ42 from UniProtKB/Swiss-Prot  Length:34350

    Alignment length:97
                                 34262     34272     34282     34292     34302     34312     34322     34332     34342       
        TITIN_HUMAN   34253 GIPPKIEALPSDISIDEGKVLTVACAFTGEPTPEVTWSCGGRKIHSQEQGRFHIENTDDLTTLIIMDVQKQDGGLYTLSLGNEFGSDSATVNIHIRS 34349
               SCOP domains ------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee.....eeeee...eeeeeeeeeee...eeeeee..ee...hhhh.eeeee...eeeeee...hhhhheeeeeeeee..eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -----------------------------------------------------N--------P---------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------- Transcript
               4c4k T     2 GIPPKIEALPSDISIDEGKVLTVACAFTGEPTPEVTWSCGGRKIHSQEQGRFHIENTDDLTTLIIMDVQKQDGGLYTLSLGNEFGSDSATVNIHIRS    98
                                    11        21        31        41        51        61        71        81        91       

   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 4C4K)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4C4K)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4C4K)

(-) Gene Ontology  (67, 84)

Asymmetric/Biological Unit(hide GO term definitions)
Chain O   (OBSCN_HUMAN | Q5VST9)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0005089    Rho guanyl-nucleotide exchange factor activity    Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Rho family. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
    GO:0030506    ankyrin binding    Interacting selectively and non-covalently with ankyrin, a 200 kDa cytoskeletal protein that attaches other cytoskeletal proteins to integral membrane proteins.
    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:0005085    guanyl-nucleotide exchange factor activity    Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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).
    GO:0004672    protein kinase activity    Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP.
    GO:0004674    protein serine/threonine kinase activity    Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.
    GO:0008307    structural constituent of muscle    The action of a molecule that contributes to the structural integrity of a muscle fiber.
    GO:0031432    titin binding    Interacting selectively and non-covalently with titin, any of a family of giant proteins found in striated and smooth muscle. In striated muscle, single titin molecules span half the sarcomere, with their N- and C-termini in the Z-disc and M-line, respectively.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0030154    cell differentiation    The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
    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:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
    GO:0043547    positive regulation of GTPase activity    Any process that activates or increases the activity of a GTPase.
    GO:0043065    positive regulation of apoptotic process    Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
    GO:0098779    positive regulation of macromitophagy in response to mitochondrial depolarization    The macromitophagy process that is triggered by a detection of the loss of mitochondrial membrane potential.
    GO:0036309    protein localization to M-band    Any process in which a protein is transported to, and/or maintained in, the M band. The M band is the midline of aligned thick filaments in a sarcomere.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:0035023    regulation of Rho protein signal transduction    Any process that modulates the frequency, rate or extent of Rho protein signal transduction.
    GO:0051056    regulation of small GTPase mediated signal transduction    Any process that modulates the frequency, rate or extent of small GTPase mediated signal transduction.
    GO:0045214    sarcomere organization    The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs.
cellular component
    GO:0031430    M band    The midline of aligned thick filaments in a sarcomere; location of specific proteins that link thick filaments. Depending on muscle type the M band consists of different numbers of M lines.
    GO:0030018    Z disc    Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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:0030016    myofibril    The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism.

Chain T   (TITIN_HUMAN | Q8WZ42)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    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:0042805    actinin binding    Interacting selectively and non-covalently with actinin, any member of a family of proteins that crosslink F-actin.
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    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:0019899    enzyme binding    Interacting selectively and non-covalently with any enzyme.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0051371    muscle alpha-actinin binding    Interacting selectively and non-covalently with muscle isoforms of actinin. Muscle alpha-actinin isoforms are found in skeletal and cardiac muscle and are localized to the Z-disc.
    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:0002020    protease binding    Interacting selectively and non-covalently with any protease or peptidase.
    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:0004672    protein kinase activity    Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP.
    GO:0019901    protein kinase binding    Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
    GO:0043621    protein self-association    Interacting selectively and non-covalently with a domain within the same polypeptide.
    GO:0004674    protein serine/threonine kinase activity    Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.
    GO:0004713    protein tyrosine kinase activity    Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate.
    GO:0008307    structural constituent of muscle    The action of a molecule that contributes to the structural integrity of a muscle fiber.
    GO:0097493    structural molecule activity conferring elasticity    The action of a molecule that contributes to the structural integrity of a complex or assembly within or outside a cell, providing elasticity and recoiling.
    GO:0031433    telethonin binding    Interacting selectively and non-covalently with telethonin, a protein found in the Z disc of striated muscle and which is a substrate of the titin kinase.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0060048    cardiac muscle contraction    Muscle contraction of cardiac muscle tissue.
    GO:0048739    cardiac muscle fiber development    The process whose specific outcome is the progression of cardiac muscle fiber over time, from its formation to the mature structure.
    GO:0003300    cardiac muscle hypertrophy    The enlargement or overgrowth of all or part of the heart muscle due to an increase in size of cardiac muscle cells without cell division.
    GO:0055008    cardiac muscle tissue morphogenesis    The process in which the anatomical structures of cardiac muscle tissue are generated and organized.
    GO:0055003    cardiac myofibril assembly    The process whose specific outcome is the progression of the cardiac myofibril over time, from its formation to the mature structure. A cardiac myofibril is a myofibril specific to cardiac muscle cells.
    GO:0035995    detection of muscle stretch    The series of events by which a muscle stretch stimulus is received by a cell and converted into a molecular signal.
    GO:0007076    mitotic chromosome condensation    The cell cycle process in which chromatin structure is compacted prior to and during mitosis in eukaryotic cells.
    GO:0006936    muscle contraction    A process in which force is generated within muscle tissue, resulting in a change in muscle geometry. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis.
    GO:0030049    muscle filament sliding    The sliding of actin thin filaments and myosin thick filaments past each other in muscle contraction. This involves a process of interaction of myosin located on a thick filament with actin located on a thin filament. During this process ATP is split and forces are generated.
    GO:0018108    peptidyl-tyrosine phosphorylation    The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.
    GO:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
    GO:0002576    platelet degranulation    The regulated exocytosis of secretory granules containing preformed mediators such as histamine and serotonin by a platelet.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:0050790    regulation of catalytic activity    Any process that modulates the activity of an enzyme.
    GO:0045859    regulation of protein kinase activity    Any process that modulates the frequency, rate or extent of protein kinase activity.
    GO:0051592    response to calcium ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a calcium ion stimulus.
    GO:0045214    sarcomere organization    The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs.
    GO:0048769    sarcomerogenesis    The process in which sarcomeres are added in series within a fiber.
    GO:0030241    skeletal muscle myosin thick filament assembly    The aggregation, arrangement and bonding together of proteins to form the myosin-based thick filaments of myofibrils in skeletal muscle.
    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.
    GO:0006941    striated muscle contraction    A process in which force is generated within striated muscle tissue, resulting in the shortening of the muscle. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis. Striated muscle is a type of muscle in which the repeating units (sarcomeres) of the contractile myofibrils are arranged in registry throughout the cell, resulting in transverse or oblique striations observable at the level of the light microscope.
cellular component
    GO:0031674    I band    A region of a sarcomere that appears as a light band on each side of the Z disc, comprising a region of the sarcomere where thin (actin) filaments are not overlapped by thick (myosin) filaments; contains actin, troponin, and tropomyosin; each sarcomere includes half of an I band at each end.
    GO:0031430    M band    The midline of aligned thick filaments in a sarcomere; location of specific proteins that link thick filaments. Depending on muscle type the M band consists of different numbers of M lines.
    GO:0030018    Z disc    Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
    GO:0000794    condensed nuclear chromosome    A highly compacted molecule of DNA and associated proteins resulting in a cytologically distinct nuclear chromosome.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005859    muscle myosin complex    A filament of myosin found in a muscle cell of any type.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005865    striated muscle thin filament    Filaments formed of actin and associated proteins; attached to Z discs at either end of sarcomeres in myofibrils.

 Visualization

(-) Interactive Views

Asymmetric/Biological Unit
  Complete Structure
    Jena3D(integrated viewing of ligand, site, SAP, PROSITE, SCOP information)
    WebMol | AstexViewer[tm]@PDBe
(Java Applets, require no local installation except for Java; loading may be slow)
    STRAP
(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    RasMol
(require local installation)
    Molscript (VRML)
(requires installation of a VRML viewer; select preferred view via VRML and generate a mono or stereo PDF format file)
 
  Ligands, Modified Residues, Ions
    EDO  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
 
  Sites
    AC1  [ RasMol ]  +environment [ RasMol ]
    AC2  [ RasMol ]  +environment [ RasMol ]
    AC3  [ RasMol ]  +environment [ RasMol ]
    AC4  [ RasMol ]  +environment [ RasMol ]
    AC5  [ RasMol ]  +environment [ RasMol ]
    AC6  [ RasMol ]  +environment [ RasMol ]
    AC7  [ RasMol ]  +environment [ RasMol ]
    AC8  [ RasMol ]  +environment [ RasMol ]
    AC9  [ RasMol ]  +environment [ RasMol ]
    BC1  [ RasMol ]  +environment [ RasMol ]
    BC2  [ RasMol ]  +environment [ RasMol ]
    BC3  [ RasMol ]  +environment [ RasMol ]
 
  Cis Peptide Bonds
    Asn O:36 - Pro O:37   [ RasMol ]  
    Glu T:31 - Pro T:32   [ RasMol ]  
 

(-) Still Images

Jmol
  protein: cartoon or spacefill or dots and stick; nucleic acid: cartoon and stick; ligands: spacefill; active site: stick
Molscript
  protein, nucleic acid: cartoon; ligands: spacefill; active site: ball and stick

 Databases and Analysis Tools

(-) Databases

Access by PDB/NDB ID
  4c4k
    Family and Domain InformationProDom | SYSTERS
    General Structural InformationGlycoscienceDB | MMDB | NDB | OCA | PDB | PDBe | PDBj | PDBsum | PDBWiki | PQS | PROTEOPEDIA
    Orientation in MembranesOPM
    Protein SurfaceSURFACE
    Secondary StructureDSSP (structure derived) | HSSP (homology derived)
    Structural GenomicsGeneCensus
    Structural NeighboursCE | VAST
    Structure ClassificationCATH | Dali | SCOP
    Validation and Original DataBMRB Data View | BMRB Restraints Grid | EDS | PROCHECK | RECOORD | WHAT_CHECK
 
Access by UniProt ID/Accession number
  OBSCN_HUMAN | Q5VST9
    Comparative Protein Structure ModelsModBase
    Genomic InformationEnsembl
    Protein-protein InteractionDIP
    Sequence, Family and Domain InformationInterPro | Pfam | SMART | UniProtKB/SwissProt
  TITIN_HUMAN | Q8WZ42
    Comparative Protein Structure ModelsModBase
    Genomic InformationEnsembl
    Protein-protein InteractionDIP
    Sequence, Family and Domain InformationInterPro | Pfam | SMART | UniProtKB/SwissProt
 
Access by Enzyme Classificator   (EC Number)
  2.7.11.1
    General Enzyme InformationBRENDA | EC-PDB | Enzyme | IntEnz
    PathwayKEGG | MetaCyc
 
Access by Disease Identifier   (MIM ID)
  600334
    Disease InformationOMIM
 
Access by GenAge ID
  (no 'GenAge ID' available)
    Age Related InformationGenAge

(-) Analysis Tools

Access by PDB/NDB ID
    Domain InformationXDom
    Interatomic Contacts of Structural UnitsCSU
    Ligand-protein ContactsLPC
    Protein CavitiescastP
    Sequence and Secondary StructurePDBCartoon
    Structure AlignmentSTRAP(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    Structure and Sequence BrowserSTING
 
Access by UniProt ID/Accession number
  OBSCN_HUMAN | Q5VST9
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)
  TITIN_HUMAN | Q8WZ42
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

UniProtKB/Swiss-Prot
        OBSCN_HUMAN | Q5VST91v1c 2cr6 2dku 2dm7 2e7b 2edf 2edh 2edl 2edq 2edr 2edt 2edw 2eny 2eo1 2gqh 2mwc 2n56 2yz8 4rsv 4uow
        TITIN_HUMAN | Q8WZ421bpv 1g1c 1nct 1ncu 1tit 1tiu 1tki 1tnm 1tnn 1waa 1ya5 2a38 2bk8 2f8v 2ill 2j8h 2j8o 2nzi 2rq8 2wp3 2wwk 2wwm 2y9r 3b43 3knb 3lcy 3lpw 3puc 3q5o 3qp3 4jnw 4o00 4qeg 4uow 5bs0 5jdd 5jde 5jdj 5joe

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 4C4K)