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If you use this service, could you please send us a mail to npsang@ibcp.fr with details about your usage of the NPSA service (tools used, frequency, type of sequence, ..) ? Could you explain what makes this service unique for you ? Could you please add information about your country and your laboratory ? Thanks

In NPS@ you can work with a database.
The database can have four origins :

• It can be your own database uploaded in NPS@.
• It can be retrieved from ACNUC.
• It can be built from a similarity search methods : BLAST, FASTA or SSEARCH.
• It can be built from a pattern search method : PATTINPROT
.

What can you do then ?
You can :

• View it it in MPSA/ ANTHEPROT
• Align it with CLUTALW or MULTALIN if there are no more than 250,000 characters in the database.
• Do a homology search. The database will be the query one.
• Search the database for one or several pattern ( PATTINPROT).
• Apply NPS@ methods on each sequence of the database. You will then work with individual sequences.
• Edit the database. It allows you to select/unselect sequence of the database. It writes a new database.
• Know the number of sequence in the database.
• See the database text file.

When you come from an extract (After BLAST,PATTINPROT,...) few more informations are displayed.

• The database on which full sequence extraction has been made or it says you that it come from a partial extraction.
• Sequences identifier of the sequence removed in built database (when this option has been selected).