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Category bioinformatik.de / Software / Online Tools / Protein Analysis /

PredictProtein is a service for sequence analysis, and structure prediction.
http://cubic.bioc.columbia.edu/predictprotein/

BLAST - NCBI's sequence similarity search tool designed to support analysis of nucleotide and protein databases.
http://www.ncbi.nlm.nih.gov/BLAST/

Compute pI/Mw is a tool which allows the computation of the theoretical pI (isoelectric point) and Mw (molecular weight) for a list of SWISS-PROT and/or TrEMBL entries or for a user entered sequence.
http://www.expasy.ch/tools/pi_tool.html

Cutter is a program that allows to generate peptide fragments by the enzymatic or chemical cleavage of a protein sequence entered by the user, and that computes the theoretical masses of the generated peptides.
http://delphi.phys.univ-tours.fr/Prolysis/cutter.html

MSpeaks: To extract protein fragments of interest, compare two sets of peptide masses and select those pairs whose difference is one of a known (or submitted) post-translational modification (PTM).
http://tp12.pzr.uni-rostock.de/~moeller/mspeaks.php

PeptideMass cleaves one or more protein sequences from the SWISS-PROT and/or TrEMBL databases or auser-entered protein sequence with a chosen enzyme, and computes the masses of the generated peptides.
http://www.expasy.ch/tools/peptide-mass.html

PhyloBLAST compares your protein sequence to a SWISSPROT/TREMBL database using WU-BLAST2 and then allows you to perform phylogenetic analyses based on selected proteins listed in the BLAST output.
http://www.pathogenomics.bc.ca/phyloBLAST/

Use intracellular sequences of G Protein-Coupled Receptors (GPCR) to predict the class of G protein that the transmembrane protein couples with.
http://tp12.pzr.uni-rostock.de/~moeller/7tmhmm/submission.php