This site is a fork of the original PRABI NPS@ server
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February 3, 2026: NPS@ updated (see NEWS).
Analyse one sequence
When you see the NPSA link in a result page, it allows you to work with a sequence and apply NPS@ methods on it.
You can :
- run a sequence similarity search with BLAST or FASTA or PSI-BLAST or SSERACH, the sequence will be the query one
- compute a protein secondary structure prediction consensus
- analyze protein primary structure (e.g. amino-acid composition, coiled coils prediction, helix-turn-helix detection, PROSITE scan)
When the sequence comes from a database of protein sequences with known 3-D structures (PDB), more links are available :
- to look at PDB entry at PDBe, PDBj, and RCSB.
- to download PDB file at NPS@ in ENT format, and at wwPDB in mmCIF and XML formats.
- to access PDBSum.
- to deduce the secondary structure from 3-D structure by means of DSSP, P-SEA and STRIDE programs.
- to search 3-D-based protein classification at : CATH and SCOP database.
- to compare 3-D coordinates by means of : DALI.
Last modification time : Mon Feb 5 15:34:31 2024. Current time : Sun Mar 8 04:55:55 2026. User : public@18.97.14.87.
