13375
The mass of the heavy perdeuterated form is ~ 5 . 5 % greater than that of the protiated form , causing kinetic isotope effects ( KIEs ) of ~ 1 . 3 on k ( cat ) and k ( cat ) / K ( M ) for both L - and D - alanine .
 Chemical: L - and D - alanine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: L - and D - alanine