Thank you but there were just cDNA start and end and when I downloaded the result, there was just the the IDs name again
Which sequence is the one I am interested in?
Hey guys,
I was searching rRNA_gene sequence in Saccharomyces cerevisiae, in BioMart I found the Ensembl IDs.
In NCBI-nucletotide I typed one of the IDs, for example RDN18-2, but I found many hits there. From where could I select the one I am searching for please?
Thanks
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1 answer
EnsEMBL's BioMart can export these: Attributes > Sequences > cDNA sequences
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At the top of the attributes page you should see six options with radio buttons:
- Features
- Structures
- Homologs
- Variation (Germline)
- Variation (Somatic)
- Sequences
Select sequences. You will get two sections to expand, Sequences and Header information. Choose cDNA from Sequences then add all the information you need in the Header.
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Thanks Emily
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What's wrong with the sequences you got from EnsEMBL ? Why do you then need to go to NCBI ? Entering RDN18-2 in the search bar of the NCBI website would give you all sequences that contain this gene, e.g. the chromosome where it's on, any contig where it's been annotated.
Thank you, I need the fasta file (nucleotide) to make a reference fasta containing whole of yeast rRNA_gene sequence to remove the contamination from my ribi-seq data sets. Anyway I need the nucleotides not just IDs
Simply, the answer is the same as stated by Emily. Using biomart I retrieved the sequences without doubts