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(-) Description

Title :  CONFORMATIONAL MODEL FOR THE CONSENSUS V3 LOOP OF THE ENVELOPE PROTEIN GP120 OF HIV-1
 
Authors :  W. F. Vranken, F. Fant, M. Budesinsky, F. A. M. Borremans
Date :  15 Mar 99  (Deposition) - 18 Mar 99  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Amphipathic Helix, Hiv Infection, Viral Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  W. F. Vranken, M. Budesinsky, F. Fant, K. Boulez, F. A. Borremans
The Complete Consensus V3 Loop Peptide Of The Envelope Protein Gp120 Of Hiv-1 Shows Pronounced Helical Character In Solution.
Febs Lett. V. 374 117 1995
PubMed-ID: 7589496  |  Reference-DOI: 10.1016/0014-5793(95)01086-T
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (V3 LOOP OF HIV-1 ENVELOPE PROTEIN)
    ChainsA
    EngineeredYES
    Other DetailsTHIS V3 LOOP PEPTIDE IS A FRAGMENT OF THE GP120 ENVELOPE PROTEIN OF HIV-1.
    Other Details - SourceSEQUENCE TAKEN FROM HUMAN IMMUNODEFICIENCY VIRUS TYPE 1 (CLONE 12), GENE ENV
    SyntheticYES

 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 1CE4)

(-) Sites  (0, 0)

(no "Site" information available for 1CE4)

(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:1 -A:35

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1CE4)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) 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
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Chain A from PDB  Type:PROTEIN  Length:35
 aligned with ENV_HV1JR | P20871 from UniProtKB/Swiss-Prot  Length:848

    Alignment length:35
                                   303       313       323     
            ENV_HV1JR   294 CTRPSNNTRKSIHIGPGRAFYTTGEIIGDIRQAHC 328
               SCOP domains d1ce4a_ A: V3 loop fragments        SCOP domains
               CATH domains ----------------------------------- CATH domains
               Pfam domains ----------------------------------- Pfam domains
         Sec.struct. author ....hhh..........hhhh.hhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------- PROSITE
                 Transcript ----------------------------------- Transcript
                 1ce4 A   1 CTRPNNNTRKSIHIGPGRAFYTTGEIIGDIRQAHC  35
                                    10        20        30     

   Legend:   → Mismatch (orange background)
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  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
(-)
Class: Peptides (792)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1CE4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1CE4)

(-) Gene Ontology  (22, 22)

NMR Structure(hide GO term definitions)
Chain A   (ENV_HV1JR | P20871)
molecular function
    GO:0005198    structural molecule activity    The action of a molecule that contributes to the structural integrity of a complex or its assembly within or outside a cell.
biological process
    GO:0075512    clathrin-dependent endocytosis of virus by host cell    Any clathrin-mediated endocytosis that is involved in the uptake of a virus into a host cell. Begins by invagination of a specific region of the host cell plasma membrane around the bound virus to form a clathrin-coated pit, which then pinches off to form a clathrin-coated endocytic vesicle containing the virus.
    GO:0075509    endocytosis involved in viral entry into host cell    Any endocytosis that is involved in the uptake of a virus into a host cell.
    GO:0030683    evasion or tolerance by virus of host immune response    Any process, either active or passive, by which a virus avoids the effects of the host organism's immune response. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0039654    fusion of virus membrane with host endosome membrane    Fusion of a virus membrane with a host endosome membrane. Occurs after internalization of the virus through the endosomal pathway, and results in release of the virus contents into the cell.
    GO:0019064    fusion of virus membrane with host plasma membrane    Fusion of a viral membrane with the host cell membrane during viral entry. Results in release of the virion contents into the cytoplasm.
    GO:0039663    membrane fusion involved in viral entry into host cell    Merging of the virion membrane and a host membrane (host plasma membrane or host organelle membrane) that is involved in the uptake of a virus into a host cell.
    GO:0030307    positive regulation of cell growth    Any process that activates or increases the frequency, rate, extent or direction of cell growth.
    GO:0002223    stimulatory C-type lectin receptor signaling pathway    Any series of molecular signals generated as a consequence of binding to a C-type lectin receptor capable of cellular activation.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
    GO:0019082    viral protein processing    Any protein maturation process achieved by the cleavage of a peptide bond or bonds within a viral protein.
    GO:0019062    virion attachment to host cell    The process by which a virion protein binds to molecules on the host cellular surface or host cell surface projection.
cellular component
    GO:0044174    host cell endosome    A membrane-bounded organelle that carries materials newly ingested by endocytosis. It passes many of the materials to host cell lysosomes for degradation.
    GO:0044175    host cell endosome membrane    The lipid bilayer surrounding a host cell endosome.
    GO:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0020002    host cell plasma membrane    The plasma membrane surrounding a host cell.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0019031    viral envelope    The lipid bilayer of a virion that surrounds the protein capsid. May also contain glycoproteins.
    GO:0019012    virion    The complete fully infectious extracellular virus particle.
    GO:0055036    virion membrane    The lipid bilayer surrounding a virion.

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 Related Entries

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        ENV_HV1JR | P208712esx 2esz 4r2g

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