Extinction coefficient data from Gill and von Hippel, Analytical
Biochemistry 182; 319-326 (1989) used by PeptideSort.

All amino acids can be specified in this file.  Only Cystine, Trp, and Tyr
contribute appreciably to the extinction coefficient.

                                     -1  -1
Residue     Extinction coefficient (M  cm  )      ..

! Gill and von Hippel paper lists 120 as extinction coefficient for
! cystine.  Value per cysteine is half of the value per cystine
C                     60

W                   5690
Y                   1280