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Table 3 Example weighted amino acids

From: SAMPI: Protein Identification with Mass Spectra Alignments

σ

A (Ala)

C (Cys)

D (Asp)

E (Glu)

...

Y (Tyr)

μ(σ)

71.0371

103.0092

115.0269

129.0426

...

163.0633

μ*(σ)

710

1030

1150

1290

...

1631

(σ)

0.0785

0.0154

0.0531

0.0661

...

0.0306

  1. Example weighted alphabet for amino acids. Five amino acids with their average molecular weight in Dalton, derived integer molecular weight with precision 0.1 and relative frequencies estimated from SwissProt, release 48.