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(-) Description

Title :  VPS4A MIT-CHMP1A COMPLEX
 
Authors :  M. D. Stuchell-Brereton, J. J. Skalicky, C. Kieffer, S. Ghaffarian, W. I. Sundquist
Date :  30 May 07  (Deposition) - 16 Oct 07  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
Keywords :  Chmp1A, Vps4A Mit, Complex, Four Helix Bundle, Protein Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. D. Stuchell-Brereton, J. J. Skalicky, C. Kieffer, M. A. Karren, S. Ghaffarian, W. I. Sundquist
Escrt-Iii Recognition By Vps4 Atpases.
Nature V. 449 740 2007
PubMed-ID: 17928862  |  Reference-DOI: 10.1038/NATURE06172
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - VACUOLAR PROTEIN SORTING-ASSOCIATING PROTEIN 4A
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VectorPET16B
    Expression System Vector TypeVECTOR
    FragmentMIT DOMAIN, RESIDUES 1-84
    GeneVPS4A, VPS4
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymPROTEIN SKD2, HVPS4, VPS4-1
 
Molecule 2 - CHROMATIN-MODIFYING PROTEIN 1A
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VectorPET16B
    Expression System Vector TypeVECTOR
    FragmentSEQUENCE DATABASE RESIDUES 180-196
    GenePCOLN3, CHMP1, CHMP1A, KIAA0047, PRSM1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymCHARGED MULTIVESICULAR BODY PROTEIN 1A, CHMP1A, VACUOLAR PROTEIN SORTING 46-1, VPS46-1, HVPS46-1

 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 2JQ9)

(-) Sites  (0, 0)

(no "Site" information available for 2JQ9)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2JQ9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2JQ9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2JQ9)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2JQ9)

(-) Exons   (5, 5)

NMR Structure (5, 5)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000002549501ENSE00001708382chr16:69345279-69345435157VPS4A_HUMAN1-771A:5-73
1.2ENST000002549502ENSE00001380891chr16:69349911-69350022112VPS4A_HUMAN8-45381A:8-4538
1.3ENST000002549503ENSE00001141242chr16:69350128-69350275148VPS4A_HUMAN45-94501A:45-7531
1.4ENST000002549504ENSE00001141235chr16:69352553-6935261462VPS4A_HUMAN94-115220--
1.5ENST000002549505ENSE00001246416chr16:69352726-69352845120VPS4A_HUMAN115-155410--
1.6ENST000002549506ENSE00001141226chr16:69353290-69353446157VPS4A_HUMAN155-207530--
1.7ENST000002549507ENSE00001141220chr16:69354044-69354192149VPS4A_HUMAN207-257510--
1.8ENST000002549508ENSE00001141213chr16:69354591-6935467282VPS4A_HUMAN257-284280--
1.9ENST000002549509ENSE00001141208chr16:69354954-69355173220VPS4A_HUMAN284-357740--
1.10ENST0000025495010ENSE00001141200chr16:69356463-69356603141VPS4A_HUMAN358-404470--
1.11ENST0000025495011ENSE00001390594chr16:69358111-69358951841VPS4A_HUMAN405-437330--

2.1ENST000003979011ENSE00000946056chr16:89724129-89723990140CHM1A_HUMAN1-330--
2.2ENST000003979012ENSE00001530667chr16:89720331-8972031220CHM1A_HUMAN3-970--
2.3ENST000003979013ENSE00001778711chr16:89718054-8971797778CHM1A_HUMAN10-35260--
2.4ENST000003979014ENSE00001702069chr16:89715905-89715759147CHM1A_HUMAN36-84490--
2.5ENST000003979015ENSE00001784354chr16:89713739-89713611129CHM1A_HUMAN85-127430--
2.6ENST000003979016ENSE00001616577chr16:89713122-89712935188CHM1A_HUMAN128-190631B:115-1217
2.7ENST000003979017ENSE00001798840chr16:89712495-897108461650CHM1A_HUMAN190-19671B:121-1277

(-) 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:71
 aligned with VPS4A_HUMAN | Q9UN37 from UniProtKB/Swiss-Prot  Length:437

    Alignment length:71
                                    14        24        34        44        54        64        74 
          VPS4A_HUMAN     5 TLQKAIDLVTKATEEDKAKNYEEALRLYQHAVEYFLHAIKYEAHSDKAKESIRAKCVQYLDRAEKLKDYLR  75
               SCOP domains d2jq9a_ A: automated matches                                            SCOP domains
               CATH domains ----------------------------------------------------------------------- CATH domains
               Pfam domains MIT-2jq9A01 A:5-74                                                    - Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------- PROSITE
           Transcript 1 (1) 1.1Exon 1.2  PDB: A:8-45 UniProt: 8-45   ------------------------------ Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.3  PDB: A:45-75          Transcript 1 (2)
                 2jq9 A   5 TLQKAIDLVTKATEEDKAKNYEEALRLYQHAVEYFLHAIKYEAHSDKAKESIRAKCVQYLDRAEKLKDYLR  75
                                    14        24        34        44        54        64        74 

Chain B from PDB  Type:PROTEIN  Length:13
 aligned with CHM1A_HUMAN | Q9HD42 from UniProtKB/Swiss-Prot  Length:196

    Alignment length:13
                                   193   
          CHM1A_HUMAN   184 EDQLSRRLAALRN 196
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
           Transcript 2 (1) 2.6    ------ Transcript 2 (1)
           Transcript 2 (2) ------2.7     Transcript 2 (2)
                 2jq9 B 115 EDQLSRRLAALRN 127
                                   124   

   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  (1, 1)

NMR Structure

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2JQ9)

(-) Pfam Domains  (1, 1)

NMR Structure

(-) Gene Ontology  (79, 99)

NMR Structure(hide GO term definitions)
Chain A   (VPS4A_HUMAN | Q9UN37)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0016887    ATPase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
    GO:0042623    ATPase activity, coupled    Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction directly drives some other reaction, for example ion transport across a membrane.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008568    microtubule-severing ATPase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate. Catalysis of the severing of a microtubule at a specific spot along its length, coupled to the hydrolysis of ATP.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0008022    protein C-terminus binding    Interacting selectively and non-covalently with a protein C-terminus, the end of any peptide chain at which the 1-carboxy 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:0019904    protein domain specific binding    Interacting selectively and non-covalently with a specific domain of a protein.
biological process
    GO:1904903    ESCRT III complex disassembly    The disaggregation of an ESCRT III complex into its constituent components.
    GO:1904896    ESCRT complex disassembly    The disaggregation of an ESCRT complex into its constituent components.
    GO:0009838    abscission    The controlled shedding of a body part.
    GO:0006914    autophagy    The process in which cells digest parts of their own cytoplasm; allows for both recycling of macromolecular constituents under conditions of cellular stress and remodeling the intracellular structure for cell differentiation.
    GO:0007049    cell cycle    The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
    GO:0051301    cell division    The process resulting in division and partitioning of components of a cell to form more cells; may or may not be accompanied by the physical separation of a cell into distinct, individually membrane-bounded daughter cells.
    GO:0000920    cell separation after cytokinesis    The process of physically separating progeny cells after cytokinesis; this may involve enzymatic digestion of septum or cell wall components.
    GO:0031122    cytoplasmic microtubule organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of structures formed of microtubules and associated proteins in the cytoplasm of a cell.
    GO:0016197    endosomal transport    The directed movement of substances into, out of, or mediated by an endosome, a membrane-bounded organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
    GO:0034058    endosomal vesicle fusion    The homotypic fusion of endocytic vesicles to form or add to an early endosome.
    GO:0032367    intracellular cholesterol transport    The directed movement of cholesterol, cholest-5-en-3-beta-ol, within cells.
    GO:0061738    late endosomal microautophagy    The autophagy process by which cytosolic proteins targeted for degradation are tagged with a chaperone and are directly transferred into and degraded in a late endosomal compartment.
    GO:0006900    membrane budding    The evagination of a membrane, resulting in formation of a vesicle.
    GO:0007080    mitotic metaphase plate congression    The cell cycle process in which chromosomes are aligned at the metaphase plate, a plane halfway between the poles of the mitotic spindle, during mitosis.
    GO:0036258    multivesicular body assembly    The aggregation, arrangement and bonding together of a set of components to form a multivesicular body, a type of late endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
    GO:0032466    negative regulation of cytokinesis    Any process that stops, prevents, or reduces the frequency, rate or extent of the division of the cytoplasm of a cell, and its separation into two daughter cells.
    GO:0006997    nucleus organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the nucleus.
    GO:1903543    positive regulation of exosomal secretion    Any process that activates or increases the frequency, rate or extent of exosomal secretion.
    GO:1903774    positive regulation of viral budding via host ESCRT complex    Any process that activates or increases the frequency, rate or extent of viral budding via host ESCRT complex.
    GO:1903902    positive regulation of viral life cycle    Any process that activates or increases the frequency, rate or extent of viral life cycle.
    GO:1902188    positive regulation of viral release from host cell    Any process that activates or increases the frequency, rate or extent of viral release from host cell.
    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:0032880    regulation of protein localization    Any process that modulates the frequency, rate or extent of any process in which a protein is transported to, or maintained in, a specific location.
    GO:1903076    regulation of protein localization to plasma membrane    Any process that modulates the frequency, rate or extent of protein localization to plasma membrane.
    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:0043162    ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway    The chemical reactions and pathways resulting in the breakdown of a protein or peptide covalently tagged with ubiquitin, via the multivesicular body (MVB) sorting pathway; ubiquitin-tagged proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation.
    GO:0090611    ubiquitin-independent protein catabolic process via the multivesicular body sorting pathway    The chemical reactions and pathways resulting in the breakdown of a protein or peptide, via the multivesicular body (MVB) sorting pathway; proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation. This process is independent of ubiquitination.
    GO:0007033    vacuole organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a vacuole.
    GO:0072319    vesicle uncoating    A protein depolymerization process that results in the disassembly of vesicle coat proteins.
    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.
    GO:0039702    viral budding via host ESCRT complex    Viral budding which uses a host ESCRT protein complex, or complexes, to mediate the budding process.
    GO:0019058    viral life cycle    A set of processes which all viruses follow to ensure survival; includes attachment and entry of the virus particle, decoding of genome information, translation of viral mRNA by host ribosomes, genome replication, and assembly and release of viral particles containing the genome.
    GO:0019076    viral release from host cell    The dissemination of mature viral particles from the host cell, e.g. by cell lysis or the budding of virus particles from the cell membrane.
cellular component
    GO:0000815    ESCRT III complex    An endosomal sorting complex required for transport. Consists of two soluble subcomplexes of highly charged coiled-coil proteins and is required for sorting and/or concentration of multivesicular body (MVB) cargoes.
    GO:0090543    Flemming body    A cell part that is the central region of the midbody characterized by a gap in alpha-tubulin staining. It is a dense structure of antiparallel microtubules from the central spindle in the middle of the intercellular bridge.
    GO:0005813    centrosome    A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle.
    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:0005769    early endosome    A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    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:0005770    late endosome    A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
    GO:0031902    late endosome membrane    The lipid bilayer surrounding a late endosome.
    GO:0005764    lysosome    A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030496    midbody    A thin cytoplasmic bridge formed between daughter cells at the end of cytokinesis. The midbody forms where the contractile ring constricts, and may persist for some time before finally breaking to complete cytokinesis.
    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: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.
    GO:0000922    spindle pole    Either of the ends of a spindle, where spindle microtubules are organized; usually contains a microtubule organizing center and accessory molecules, spindle microtubules and astral microtubules.
    GO:0005774    vacuolar membrane    The lipid bilayer surrounding the vacuole and separating its contents from the cytoplasm of the cell.

Chain B   (CHM1A_HUMAN | Q9HD42)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0008237    metallopeptidase activity    Catalysis of the hydrolysis of peptide bonds by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions.
    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.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:1904903    ESCRT III complex disassembly    The disaggregation of an ESCRT III complex into its constituent components.
    GO:0007049    cell cycle    The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
    GO:0051301    cell division    The process resulting in division and partitioning of components of a cell to form more cells; may or may not be accompanied by the physical separation of a cell into distinct, individually membrane-bounded daughter cells.
    GO:0000920    cell separation after cytokinesis    The process of physically separating progeny cells after cytokinesis; this may involve enzymatic digestion of septum or cell wall components.
    GO:0016458    gene silencing    Any process carried out at the cellular level that results in either long-term transcriptional repression via action on chromatin structure or RNA mediated, post-transcriptional repression of gene expression.
    GO:0007076    mitotic chromosome condensation    The cell cycle process in which chromatin structure is compacted prior to and during mitosis in eukaryotic cells.
    GO:0007080    mitotic metaphase plate congression    The cell cycle process in which chromosomes are aligned at the metaphase plate, a plane halfway between the poles of the mitotic spindle, during mitosis.
    GO:0036258    multivesicular body assembly    The aggregation, arrangement and bonding together of a set of components to form a multivesicular body, a type of late endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
    GO:0045014    negative regulation of transcription by glucose    Any process involving glucose that stops, prevents or reduces the rate of transcription. The presence of glucose in the growth medium inhibits the synthesis of certain enzymes in bacteria growing on the medium. For example, transcription of some catabolic operons is under negative control by specific repressors and glucose is an anti-inducer of xylose utilization and glycerol kinase.
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006997    nucleus organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the nucleus.
    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:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0010824    regulation of centrosome duplication    Any process that modulates the frequency, rate or extent of centrosome duplication. Centrosome duplication is the replication of a centrosome, a structure comprised of a pair of centrioles and peri-centriolar material from which a microtubule spindle apparatus is organized.
    GO:1901673    regulation of mitotic spindle assembly    Any process that modulates the frequency, rate or extent of mitotic spindle assembly.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
    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:0007034    vacuolar transport    The directed movement of substances into, out of or within a vacuole.
    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.
    GO:0039702    viral budding via host ESCRT complex    Viral budding which uses a host ESCRT protein complex, or complexes, to mediate the budding process.
cellular component
    GO:0000815    ESCRT III complex    An endosomal sorting complex required for transport. Consists of two soluble subcomplexes of highly charged coiled-coil proteins and is required for sorting and/or concentration of multivesicular body (MVB) cargoes.
    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:0005769    early endosome    A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways.
    GO:0012505    endomembrane system    A collection of membranous structures involved in transport within the cell. The main components of the endomembrane system are endoplasmic reticulum, Golgi bodies, vesicles, cell membrane and nuclear envelope. Members of the endomembrane system pass materials through each other or though the use of vesicles.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    GO:0010008    endosome membrane    The lipid bilayer surrounding an endosome.
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005815    microtubule organizing center    An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
    GO:0016363    nuclear matrix    The dense fibrillar network lying on the inner side of the nuclear membrane.
    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.

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        CHM1A_HUMAN | Q9HD422ymb 4a5x
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