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14 May 2018

Identify the open reading frame in the following DNA sequence, the protein that this gene encodes for, its function, and the source. GACTATATCCGGCGTATGAAGAAGGTTTCTACGCTTGACCTGTTGTTCGTTGCGATCATGGGTGTTTCGC CGGCCGCTTTTGCCGCCGACCTGATCGACGTGTCCAAACTCCCCAGCAAGGCTGCCCAGGGCGCGCCCGG CCCGGTCACCTTGCAAGCCGCGGTCGGCGCTGGCGGTGCCGACGAACTGAAAGCGATCCGCAGCACGACC CTGCCCAACGGCAAGCAGGTCACCCGCTACGAGCAATTCCACAACGGCGTACGGGTGGTCGGCGAAGCCA TCACCGAAGTCAAGGGTCCCGGCAAGAGCGTGGCGGCGCAGCGCAGCGGCCATTTCGTCGCCAACATCGC TGCCGACCTGCCGGGCAGCACCACCGCGGCGGTATCCGCCGAGCAGGTGCTGGCCCAGGCCAAGAGCCTG AAGGCCCAGGGCCGCAAGACCGAGAATGACAAAGTGGAACTGGTGATCCGCCTGGGCGAGAACAACATCG CCCAACTGGTCTACAACGTCTCCTACCTGATTCCCGGCGAGGGACTGTCGCGGCCGCATTTCGTCATCGA CGCCAAGACCGGCGAAGTGCTCGATCAGTGGGAAGGCCTGGCCCACGCCGAGGCGGGCGGCCCCGGCGGC AACCAGAAGATCGGCAAGTACACCTACGGTAGCGACTACGGTCCGCTGATCGTCAACGACCGCTGCGAGA TGGACGACGGCAACGTCATCACCGTCGACATGAACAGCAGCACCGACGACAGCAAGACCACGCCGTTCCG CTTCGCCTGCCCGACCAACACCTACAAGCAGGTCAACGGCGCCTATTCGCCGCTGAACGACGCGCATTTC TTCGGCGGCGTGGTGTTCAAACTGTACCGGGACTGGTTCGGCACCAGCCCGCTGACCCACAAGCTGTACA TGAAGGTGCACTACGGGCGCAGCGTGGAGAACGCCTACTGGGACGGCACGGCGATGCTCTTCGGCGACGG CGCCACCATGTTCTATCCGCTGGTGTCGCTGGACGTGGCGGCCCACGAGGTCAGCCACGGCTTCACCGAG CAGAACTCCGGGCTGATCTACCGCGGGCAATCAGGCGGAATGAACGAAGCGTTCTCCGACATGGCCGGCG AGGCTGCCGAGTTCTATATGCGCGGCAAGAACGACTTCCTGATCGGCTACGACATCAAGAAGGGCAGCGG TGCGCTGCGCTACATGGACCAGCCCAGCCGCGACGGGCGATCCATCGACAACGCGTCGCAGTACTACAAC GGCATCGACGTGCACCACTCCAGCGGCGTGTACAACCGTGCGTTCTACCTGTTGGCCAATTCGCCGGGCT GGGATACCCGCAAGGCCTTCGAGGTGTTCGTCGACGCCAACCGCTACTACTGGACCGCCACCAGCAACTA CAACAGCGGCGCCTGCGGGGTGATTCGCTCGGCGCAGAACCGCAACTACTCGGCGGCTGACGTCACCCGG GCGTTCAGCACCGTCGGCGTGACCTGCCCGAGCGCGTTGTAA

This question involves using a database. You will use a database for storage and mining of genome sequences. The procedure to identify the gene and the protein that it encodes is as follows: Look carefully at the DNA sequence and identify the start site for transcription. Click on the DNA sequence from the start site of transcription, select all of the sequence, and copy the sequence. Go to the National Center for Biotechnology Information (NCBI) website http://www.ncbi.nlm.nih.gov/. Click on BLAST on the right-hand side under “Popular Resources.” BLAST is a program that will allow you to find the protein sequence for the DNA sequence (gene) you submit. Next click on blastx (translated nucleotide protein). Paste the DNA sequence into the box under “Entry Query Sequence.” Scroll down and click BLAST. The search may take a few seconds; the page will keep updating until the search is completed. You do not need to enter any parameters in the boxes before you click BLAST. When the search is complete, you will have a figure showing the most homologous results or “sequences producing significant alignments”; and, after that, a list of what these proteins are.

Your protein will be the first one on the list. You can click on the accession number or sequence identifier information to bring up more information. You should be able to find the name, function, size (number of amino acids), and source (name of the organism) for the protein.

Your answer should include the: amino acid sequence of the protein size of the protein identity of the proteinx function of the protein (you may need to do additional online research to find this)

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Nelly Stracke
Nelly StrackeLv2
16 May 2018

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