BIOL368/F14:Chloe Jones Week 8

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Working with Protein Sequences In-class Activity

Chapter 4: Reading a SWISS-PROT entry

Source: Bioinformatics for Dummies pp.110-123

  • Using the database UniProt KB which has two subsections: Swis-Prot and TrEMBL.
  1. If you search on the keywords "HIV" and "gp120", how many results do you get?
    • 180,227 results.

General Information about the entry

  • Entry name: 9HIV1
  • Primary Accession Number :Q75760
  • Secondary Accession Numbers :N/A
  • Intergrated into Swiss-Prot on :November 1, 1996
  • Sequence was last modified on : November 1, 1996
  • Annotations were last modified on : October 1, 2014

Name and origin of the protein

  • Protein name:Envelope glycoprotein gp160
  • Synonyms:N/A
  • Gene name:Env
  • From:Homo sapiens (Human) [TaxID: 9606] TaxID:9606
  • Taxonomy: Viruses › Retro-transcribing viruses › Retroviridae › Orthoretrovirinae › Lentivirus › Primate lentivirus group

References

  • Number of references:9

The comments :?? The cross references :172

  • ENA, European Nucleotide Archive (more information possibly)

Keyword

  • Apoptosis, fushion of virus membrane with host membrane, host-virus interaction, viral attachment to host cell, viral immunoevasion, Viral penetration into host cytoplasm, virus entry into host cell

Chapter 5: ORFing your DNA sequence

Source: Bioinformatics for Dummies pp.146-147

  • Fasta format of Envelope glycoprotein gp160 obtained from UniProt KB was placed in the in the imput box of ORF Finder(Open Reading Frame Finder). 6 parallel horizontal bars were present with integers correlating to the reading frame.
  • Putting in DNA sequences: Subject 1 visit 1, clone 1:
  • The protein with the open reading frame was in the ORF Finder database was projected to be #2, or #3. Looking at the exPASy database 5’3” Frame 3 had an open reading frame with no stop codons interrupting /truncating the lengh of the DNA.
  • Apoptosis, fushion of virus membrane with host membrane, host-virus interaction, viral attachment to host cell, viral immunoevasion, Viral penetration into host cytoplasm, virus entry into host cell

The features Media***

Chapter 6:Working with a single protein sequence

Source: Bioinformatics for Dummies pp.159-195