Gag polyprotein - Q9WC62 (GAG_HV1S9)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q9WC62: 1
 
Function
Gag polyprotein: Mediates, with Gag-Pol polyprotein, the essential events in virion assembly, including binding the plasma membrane, making the protein-protein interactions necessary to create spherical particles, recruiting the viral Env proteins, and packaging the genomic RNA via direct interactions with the RNA packaging sequence (Psi). UniProt
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Subunit Structure
Gag polyprotein: Homotrimer; further assembles as hexamers of trimers. Oligomerization possibly creates a central hole into which the cytoplasmic tail of the gp41 envelope protein may be inserted.Gag polyprotein: Interacts with host TRIM22; this interaction seems to disrupt proper trafficking of Gag polyprotein and may interfere with budding. Gag polyprotein: Interacts with host PDZD8. Matrix protein p17: Homotrimer; further assembles as hexamers of trimers. Matrix protein p17: Interacts with gp41 (via C-terminus). Matrix protein p17: Interacts with host CALM1; this interaction induces a conformational change in the Matrix protein, triggering exposure of the myristate group. Matrix protein p17: Interacts with host AP3D1; this interaction allows the polyprotein trafficking to multivesicular bodies during virus assembly. Matrix protein p17: Part of the pre-integration complex (PIC) which is composed of viral genome, matrix protein, Vpr and integrase. Capsid protein p24: Homodimer; the homodimer further multimerizes as homohexamers or homopentamers. Capsid protein p24: Interacts with human PPIA/CYPA. Capsid protein p24: Interacts with human NUP153. Capsid protein p24: Interacts with host PDZD8; this interaction stabilizes the capsid. Capsid protein p24: Interacts with monkey TRIM5; this interaction destabilizes the capsid. p6-gag interacts with Vpr; this interaction allows Vpr incorporation into the virion. p6-gag interacts with host TSG101. p6-gag interacts with host PDCD6IP/AIP1. UniProt
Domain
Late-budding domains (L domains) are short sequence motifs essential for viral particle budding. They recruit proteins of the host ESCRT machinery (Endosomal Sorting Complex Required for Transport) or ESCRT-associated proteins. p6-gag contains two L domains: a PTAP/PSAP motif, which interacts with the UEV domain of TSG101 and a LYPX(n)L motif which interacts with PDCD6IP/AIP1. UniProt
  • Organism: isolate SE9280
  • Length:
  • UniProt
  • Isoforms: 2 , currently showing only the 'canonical' sequence.
  • Other Gene names: gag
This protein in other organisms (by gene name):
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Data in green originates from UniProtKB  
Variation data (sourced from UniProt) shows non-genetic variation from the ExPASy   and dbSNP   websites.
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in purple originates from Phosphosite  .
Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
  • Red: hydrophobic
  • Blue: hydrophilic.
Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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Validation Track

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Data in red indicates combined ranges of Homology Models from SBKB   and the Protein Model Portal  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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