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(-) Description

Title :  SOLUTION STRUCTURE OF MLIN-2/MLIN-7 L27 DOMAIN COMPLEX
 
Authors :  W. Feng, J. -F. Long, M. Zhang
Date :  08 Dec 04  (Deposition) - 19 Apr 05  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B,C,D  (20x)
Keywords :  L27 Domain, Scaffold Protein, Protein Assembly, Cell Polarity, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  W. Feng, J. F. Long, M. Zhang
A Unified Assembly Mode Revealed By The Structures Of Tetrameric L27 Domain Complexes Formed By Mlin-2/Mlin-7 And Patj/Pals1 Scaffold Proteins.
Proc. Natl. Acad. Sci. Usa V. 102 6861 2005
PubMed-ID: 15863617  |  Reference-DOI: 10.1073/PNAS.0409346102
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - LIN 7 HOMOLOG B
    ChainsA, C
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET32A
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentL27 DOMAIN
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymMLIN-7/VELIS/MALS
 
Molecule 2 - PERIPHERAL PLASMA MEMBRANE PROTEIN CASK
    ChainsB, D
    EC Number2.7.1.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET32A
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentL27C DOMAIN
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymMLIN-2/CASK

 Structural Features

(-) Chains, Units

  
NMR Structure (20x)

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1Y74)

(-) Sites  (0, 0)

(no "Site" information available for 1Y74)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1Y74)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1Y74)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Y74)

(-) PROSITE Motifs  (1, 2)

NMR Structure (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1L27PS51022 L27 domain profile.LIN7B_MOUSE10-65
 
  2A:19-73
C:19-73

(-) Exons   (0, 0)

(no "Exon" information available for 1Y74)

(-) Sequences/Alignments

NMR Structure
   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:57
 aligned with LIN7B_MOUSE | O88951 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:57
                                    17        27        37        47        57       
          LIN7B_MOUSE     8 LGLERDVSRAVELLERLQRSGELPPQKLQALQRVLQSRFCSAIREVYEQLYDTLDIT  64
               SCOP domains d1y74a1 A:17-73 Lin-7                                     SCOP domains
               CATH domains --------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------- SAPs(SNPs)
                    PROSITE --L27  PDB: A:19-73 UniProt: 10-65                        PROSITE
                 Transcript --------------------------------------------------------- Transcript
                 1y74 A  17 LGLERDVSRAVELLERLQRSGELPPQKLQALQRVLQSRFCSAIREVYEQLYDTLDIT  73
                                    26        36        46        56        66       

Chain B from PDB  Type:PROTEIN  Length:50
 aligned with CSKP_MOUSE | O70589 from UniProtKB/Swiss-Prot  Length:926

    Alignment length:50
                                   414       424       434       444       454
           CSKP_MOUSE   405 AVQRAKEVLEEISCYPENNDAKELKRILTQPHFMALLQTHDVVAHEVYSD 454
               SCOP domains d1y74b_ B: automated matches                       SCOP domains
               CATH domains -------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------- Transcript
                 1y74 B  83 AVQRAKEVLEEISCYPENNDAKELKRILTQPHFMALLQTHDVVAHEVYSD 132
                                    92       102       112       122       132

Chain C from PDB  Type:PROTEIN  Length:57
 aligned with LIN7B_MOUSE | O88951 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:57
                                    17        27        37        47        57       
          LIN7B_MOUSE     8 LGLERDVSRAVELLERLQRSGELPPQKLQALQRVLQSRFCSAIREVYEQLYDTLDIT  64
               SCOP domains d1y74c_ C: Lin-7                                          SCOP domains
               CATH domains --------------------------------------------------------- CATH domains
           Pfam domains (1) -----L27-1y74C01 C:22-73                                  Pfam domains (1)
           Pfam domains (2) -----L27-1y74C02 C:22-73                                  Pfam domains (2)
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------- SAPs(SNPs)
                    PROSITE --L27  PDB: C:19-73 UniProt: 10-65                        PROSITE
                 Transcript --------------------------------------------------------- Transcript
                 1y74 C  17 LGLERDVSRAVELLERLQRSGELPPQKLQALQRVLQSRFCSAIREVYEQLYDTLDIT  73
                                    26        36        46        56        66       

Chain D from PDB  Type:PROTEIN  Length:50
 aligned with CSKP_MOUSE | O70589 from UniProtKB/Swiss-Prot  Length:926

    Alignment length:50
                                   414       424       434       444       454
           CSKP_MOUSE   405 AVQRAKEVLEEISCYPENNDAKELKRILTQPHFMALLQTHDVVAHEVYSD 454
               SCOP domains d1y74d_ D: automated matches                       SCOP domains
               CATH domains -------------------------------------------------- CATH domains
           Pfam domains (1) L27-1y74D01 D:83-132                               Pfam domains (1)
           Pfam domains (2) L27-1y74D02 D:83-132                               Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------- Transcript
                 1y74 D  83 AVQRAKEVLEEISCYPENNDAKELKRILTQPHFMALLQTHDVVAHEVYSD 132
                                    92       102       112       122       132

   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, 4)

NMR Structure

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1Y74)

(-) Pfam Domains  (1, 4)

NMR Structure
(-)
Family: L27 (4)
1aL27-1y74D01D:83-132
1bL27-1y74D02D:83-132
1cL27-1y74C01C:22-73
1dL27-1y74C02C:22-73

(-) Gene Ontology  (46, 52)

NMR Structure(hide GO term definitions)
Chain A,C   (LIN7B_MOUSE | O88951)
molecular function
    GO:0030165    PDZ domain binding    Interacting selectively and non-covalently with a PDZ domain of a protein, a domain found in diverse signaling proteins.
    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:0019904    protein domain specific binding    Interacting selectively and non-covalently with a specific domain of a protein.
biological process
    GO:0006887    exocytosis    A process of secretion by a cell that results in the release of intracellular molecules (e.g. hormones, matrix proteins) contained within a membrane-bounded vesicle. Exocytosis can occur either by full fusion, when the vesicle collapses into the plasma membrane, or by a kiss-and-run mechanism that involves the formation of a transient contact, a pore, between a granule (for exemple of chromaffin cells) and the plasma membrane. The latter process most of the time leads to only partial secretion of the granule content. Exocytosis begins with steps that prepare vesicles for fusion with the membrane (tethering and docking) and ends when molecules are secreted from the cell.
    GO:0045199    maintenance of epithelial cell apical/basal polarity    The maintenance of the apicobasal polarity of an epithelial cell.
    GO:0007269    neurotransmitter secretion    The regulated release of neurotransmitter from the presynapse into the synaptic cleft via calcium regualated exocytosis during synaptic transmission.
    GO:1903361    protein localization to basolateral plasma membrane    A process in which a protein is transported to, or maintained in, a location within a basolateral plasma membrane.
    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: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.
cellular component
    GO:0016323    basolateral plasma membrane    The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
    GO:0005923    bicellular tight junction    An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes.
    GO:0030054    cell junction    A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
    GO:0005911    cell-cell junction    A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0043005    neuron projection    A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0014069    postsynaptic density of dendrite    An electron dense network of proteins within and adjacent to the postsynaptic membrane of the dendrite of asymetric synapses. Its major components include neurotransmitter receptors and the proteins that spatially and functionally organize them such as anchoring and scaffolding molecules, signaling enzymes and cytoskeletal components.
    GO:0045211    postsynaptic membrane    A specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters cross the synaptic cleft and transmit the signal to the postsynaptic membrane.
    GO:0098793    presynapse    The part of a synapse that is part of the presynaptic cell.
    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.

Chain B,D   (CSKP_MOUSE | O70589)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    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:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0042043    neurexin family protein binding    Interacting selectively and non-covalently with neurexins, synaptic cell surface proteins related to latrotoxin receptor, laminin and agrin. Neurexins act as cell recognition molecules at nerve terminals.
    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: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:0070509    calcium ion import    The directed movement of calcium ions into a cell or organelle.
    GO:0001953    negative regulation of cell-matrix adhesion    Any process that stops, prevents, or reduces the rate or extent of cell adhesion to the extracellular matrix.
    GO:0090288    negative regulation of cellular response to growth factor stimulus    Any process that decreases the rate, frequency, or extent of a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a growth factor stimulus.
    GO:0010839    negative regulation of keratinocyte proliferation    Any process that decreases the rate, frequency or extent of keratinocyte proliferation. Keratinocyte proliferation is the multiplication or reproduction of keratinocytes, resulting in the expansion of a cell population.
    GO:0061045    negative regulation of wound healing    Any process that decreases the rate, frequency, or extent of the series of events that restore integrity to a damaged tissue, following an injury.
    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:0090280    positive regulation of calcium ion import    Any process that increases the rate, frequency, or extent of the directed movement of calcium ions into a cell or organelle.
    GO:0045944    positive regulation of transcription from RNA polymerase II promoter    Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
cellular component
    GO:0005604    basement membrane    A thin layer of dense material found in various animal tissues interposed between the cells and the adjacent connective tissue. It consists of the basal lamina plus an associated layer of reticulin fibers.
    GO:0016323    basolateral plasma membrane    The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
    GO:0005911    cell-cell junction    A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
    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:0005925    focal adhesion    Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005652    nuclear lamina    The fibrous, electron-dense layer lying on the nucleoplasmic side of the inner membrane of a cell nucleus, composed of lamin filaments. The polypeptides of the lamina are thought to be concerned in the dissolution of the nuclear envelope and its re-formation during mitosis. The lamina is composed of lamin A and lamin C filaments cross-linked into an orthogonal lattice, which is attached via lamin B to the inner nuclear membrane through interactions with a lamin B receptor, an IFAP, in the membrane.
    GO:0016363    nuclear matrix    The dense fibrillar network lying on the inner side of the nuclear membrane.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO: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:0031982    vesicle    Any small, fluid-filled, spherical organelle enclosed by membrane.

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(-) Related Entries Specified in the PDB File

1y76 PATJ/PALS1 L27 DOMAIN COMPLEX