a collection of online mass spectrometry utilities
MASS CALCULATORS
MOLE - molecular mass calculator MONGO OLIGO - the ultimate oligonucleotide mass calculator
QUICKON - simple oligonucleotide mass calculator from nucleotide composition
PEPCALC - simple peptide mass calculator from amino acid sequence
COMPOSITION CALCULATORS
ELCOMP - calculate compositions from mass
ONCOMP - calculate nucleotide composition from mass