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(-) Description

Title :  NMR STRUCTURE OF INFLUENZA HA FUSION PEPTIDE MUTANT W14A IN DPC IN PH5
 
Authors :  L. K. Tamm, A. L. Lai
Date :  07 Jan 06  (Deposition) - 24 Jan 06  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (33x)
Keywords :  Ha, Fusion Peptide, Viral Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. L. Lai, H. Park, J. M. White, L. K. Tamm
Fusion Peptide Of Influenza Hemagglutinin Requires A Fixed Angle Boomerang Structure For Activity
J. Biol. Chem. V. 281 5760 2006
PubMed-ID: 16407195  |  Reference-DOI: 10.1074/JBC.M512280200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HEMAGGLUTININ
    Chains: A
    Engineered: YES
    Other Details: DERIVED FROM THE INFLUENZA (X11) HEMAGGLUTININ HA2, RESIDUE 1-20 EXCEPT THE 14TH RESIDUE W WAS REPLACED WITH A.
    Synonym: INFLUENZA HEMAGGLUTININ FUSION PEPTIDE
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure (33x): 

Summary Information (see also Sequences/Alignments below)

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(-) Cis Peptide Bonds  (0, 0)

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 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    
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:20
 aligned with HEMA_I82A4 | P11134 from UniProtKB/Swiss-Prot  Length:550

    Alignment length:20
                                   339       349
           HEMA_I82A4   330 GLFGAIAGFIENGWEGMIDG 349
               SCOP domains d2dcia1 A:1-20       SCOP domains
               CATH domains -------------------- CATH domains
               Pfam domains -------------------- Pfam domains
         Sec.struct. author hhhhhhhhhh.......... Sec.struct. author
                 SAPs(SNPs) -------------------- SAPs(SNPs)
                    PROSITE -------------------- PROSITE
                 Transcript -------------------- Transcript
                 2dci A   1 GLFGAIAGFIENGAEGMIDG  20
                                    10        20
   Legend:   → Mismatch (orange background)
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  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)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (17, 17)

NMR Structure(hide GO term definitions)
Chain A   (HEMA_I82A4 | P11134)
molecular function
    GO:0046789    host cell surface receptor binding    Interacting selectively and non-covalently with a receptor on the host cell surface.
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: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:0019065    receptor-mediated endocytosis of virus by host cell    Any receptor-mediated endocytosis that is involved in the uptake of a virus into a host cell; successive instances of virus endocytosis result in the accumulation of virus particles within the cell.
    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: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: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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UniProtKB/Swiss-Prot
        HEMA_I82A4 | P11134: 2jrd

(-) Related Entries Specified in the PDB File

1ibn WT IN PH5
1ibo WT IN PH7
1xoo G1S IN PH5
1xop G1V IN PH5