searching the ncbi databases

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Searching the NCBI Databases

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Searching the NCBI Databases. Search for CFTR[gene] in the Protein database. What is it?. Limit to genes in human only CFTR[gene] AND human[orgn]. How many?. Restrict to RefSeq. How many?. RefSeq records can also be filtered using the Limits tab. Examine the NP_000483 record - PowerPoint PPT Presentation

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Page 1: Searching the NCBI Databases

Searching the NCBI Databases

Page 2: Searching the NCBI Databases

Search for CFTR[gene] in the Protein database

What is it?

Page 3: Searching the NCBI Databases

Limit to genes in human onlyCFTR[gene] AND human[orgn]

How many?

Page 4: Searching the NCBI Databases

Restrict to RefSeq

How many?

Page 5: Searching the NCBI Databases

RefSeq records can also be filtered using the Limits tab

Page 6: Searching the NCBI Databases

Examine the NP_000483 record

How many amino-acids are in the protein?On which chromosome is this protein-coding gene located?

Page 7: Searching the NCBI Databases

Follow the dbSNP link to examine the SNPs associated with this protein

How many SNPs?

Page 8: Searching the NCBI Databases

Follow the dbSNP link to examine the SNPs associated with this protein

Describe mutation in first record. Is it synonymous?

Page 9: Searching the NCBI Databases

Use the Taxonomy Browser to examine fully-sequenced primates genomes

Page 10: Searching the NCBI Databases

Use the Taxonomy Browser to examine fully-sequenced prototheria genomes

Page 11: Searching the NCBI Databases

Sequence Retrieval

Page 12: Searching the NCBI Databases

Search for human BRCA1 in Protein database

Select longest isoform

Page 13: Searching the NCBI Databases

Display the sequences in FASTA format

Page 14: Searching the NCBI Databases

Save the sequence into a WORD file