NCBI BLAST = http://blast.ncbi.nlm.nih.gov/Blast.cgi 1. Using the unknown sequen
ID: 215465 • Letter: N
Question
NCBI BLAST = http://blast.ncbi.nlm.nih.gov/Blast.cgi
1. Using the unknown sequence provided at the bottom, perform a BLASTN (i.e., nucelotide blast) search using “Database” set to the "RefSeq Genome Database (refseq_genomes)" and “Organism” set to “vertebrates (taxid:7742):
Also, make sure the Program Optimization setting is set to "Highly similar sequences (megablast)":
Keep all other settings and parameters at the default value.
1.a. How many Blast Hits do you get for the sequence?
Answer =
1.b. What is the sequence most similar to? Provide the top-listed sequence Accession as your answer.
Answer =
1.c. What is the E-value for this sequence and is it significant and why?
Answer =
1.d. Are there any other results having the same E-value as this sequence? If so, how many?
Answer =
1.e. For the other results having the same E-value as this sequence, how many also have the same Query coverage?
Answer =
1.f. For those results having the same E-value and same Query coverage, do they also have the same Total score?
Answer =
>Unknown_Sequence
GATATTCACATGATCGCAAATGACCCGCGGCTCCGGCGGCAGCGTCTCAAGCGCCCTCCGCCCGCTCGCAGCAGCAGTAAGTGTGCACGACTGTGCAAGTGTGAGAGCATCATGGTAGCATTCAAAGGAGTCTGGACTCATCCCTTCTGGAAAGCCGTTTCAGCAGAATTTTTGGTCATGTTGATTTTTGTCCTCCTCAGCCTTGGCTCTACGATCAACTGGGGTGGATCAGAGAAGCCACTGCCCGTAGACATGGTCCTTATCTCTCTCTGCTTTGGACTGAGCATTGCAACCATGGTGCAGTGCTTTGGACACATCAGCGGTGGCCACATCAACCCTGCTGTGACTGTGGCCATGGTCTGCACAAGAAAGATCAGCCTCGCCAAATCGGTCTTCTACATTCTTGCCCAGTGCCTGGGAGCCATCGTGGGAGCTGGCATCCTCTACCTCATCACACCACCGAGTGTGGTGGGAGGCCTGGGAGTCACTGCGGTACACGGGGATCTTTCCGCTGGCCATGGACTCCTGGTGGAGCTGATAATTACATTTCAGCTGGTTTTTACTATTTTTGCCAGCTGTGATTCAAAACGAAGTGATGTCACTGGTTCAGTAGCTCTAGCAATTGGATTTTCTGTTGCAATTGGACATTTATTTGCTATCAATTACACTGGTGCCAGTATGAACCCTGCTCGCTCATTTGGACCTGCTGTCATCATGGGAAAATGGGAAAACCAATGGGTTTATTGGGTGGGGCCAATAATAGGAGCAGTCCTTGCTGGTGCTCTTTATGAGTATGTCTATTGCCCAGACGTGGAGCTCAAACGCCGTTTTAAAGATGTCTTCAGTAAAGCTACTCAGCCATCCAAAGGGAAGTACATAGAAGTGGATGACACCAGGAGCCACGTAGAGACCGATGACCTGATCCTGAAGCCTGGCATTGTCCACGTGATTGATATTGACAGGAGTGAGGACAAGAAGGGAAGAGATCCATCAAGTGAGGTGCTGTCTTCTGTATGACTAGCAAGGAGCACTGAAAGCAGAGAGCAGCCTGCCAGCGACTCCACAGATATCCTTCCACCTATCAAACAGAGAGCAGCCTGCCAGCGACTCCACAGATATCCTTCCACCTATCAAAGAAACAGATCTCCTCTAAACAGAGCATCTATCATTTCTTAAAAAGTGTGGTGAAGGCAGCTGTGTGGTAGTGGCATCACCAAACCATACATCTGCTCAGCTGGAATATTAGGACTTCATTATAATTAGGATTCCCCACGAATTATTCTAAATTTGGAGGTGTTCCTGCAATTTTCCTTCCTTTCTTTCTGGAACAACCCCAAAGTCAAAAAGAGATGAAAGCACTCTTCTTTAATAAATCAGTCAATAATGAGATGAAGATAGAGCTGTTTAACATTCAGATTGACAGATAAGATGTATCAGGAAATGCCTATAGACATGAAGACCTACTTATCAGATTGTTCTTCTGACACTTAATTGACTGTTGTCATCTTTGATTAGAACATCTTATCCATTAAGCATTCTCTGTGAGGTTCAGGGACAGCACCAACAGTATTTAACAGTTTTATCCAAAGTCAAGCAATGGAGTATTGTTTCCACTTCACGTATGTCACTACTACCTTGCAAACTACCTCTGAAATAAATGATATTTTAATAGGCTCCAGAAAAAAATTCGATCAACCCATCAAATTTCACTCATACGATTTTCTGTATAAATGTATTACCTTCATCTCTTCCCAGGAGTAAATATGCTGAAATTGAATATTGAAGTCTACCGTAATAAGGCTGCAAAGCATTTAACTGTACTTCATGCTCACTTTTGACATTGTCTATCTGGTGAAACATTCTCCTGGGGTTTGACTATTGACCATTTCATGTTAGCAGACTCTCAAGGTCACG
Choose Search Set C Human genomic+transcript CMouse genomic+ transcript Others (nr etc.) Refseq Genome Database (refseq_genomes) vertebrates (taxid:7742) Database Organisnm Optional Exclude +Explanation / Answer
1.a. How many Blast Hits do you get for the sequence?
Answer = 191
1.b. What is the sequence most similar to? Provide the top-listed sequence Accession as your answer.
Answer = AB190358.1
1.c. What is the likely SOURCE ORGANISM for this sequence?
Answer = Gallus gallus
1.d. What is the E-value for this sequence and is it significant and why?
Answer = 0.0 Yes,it is significant.
1.e. What is the Max score for this sequence?
Answer = 3535
1.f. What is the Total score for the top BLASTN search result?
Answer = 3718
1.g. What is the Query coverage for the top BLASTN search result?
Answer = 100%
1.h. What is the Ident (i.e., Identity) for the top BLASTN search result?
Answer = 100%
1.i. Are there any other results having the same E-value as this sequence? If so, how many?
Answer = 99
1.j. For the other results having the same E-value as this sequence, how many also have the same Query coverage?
Answer = 6
1.k. For those results having the same E-value and same Query coverage, do they also have the same Total score?
Answer = No
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.