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Chapter 6 Using Tools and Applications
6-14 Applied Biosystems
6
4. Select the Formula or Sequence for the type of isotope to
calculate.
5. Select a formula from the list, or type in a new formula.
Valid entries for each formula type are:
6. Select the Plus H2O check box if you want to calculate
the isotopes for the complete molecule (residue plus
water of hydration).
Formula Type Valid Entries
Elemental Any element from the Periodic
Table. The first letter of two-letter
elemental symbols must be
capitalized. Spaces do not matter.
Amino Acid
Sequence
One-letter or three-letter amino acid
codes. The first letter of amino acid
codes must be capitalized. Spaces
do not matter.
NOTE: Do not include elemental
codes when you type the sequence
(for example, to specify water of
hydration). Invalid results may be
generated.
DNA
Sequence
ACGT
RNA
Sequence
ACGU
Carbohydrates Any entry listed for carbohydrates
from Elemental Composition Limits.
See “Setting limits for other result
types” on page 6-12.
Separate entries with spaces.