๐”– Bobbio Scriptorium
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Molecular statistics of enzyme action

โœ Scribed by J.S.H.

Publisher
Elsevier Science
Year
1931
Tongue
English
Weight
88 KB
Volume
212
Category
Article
ISSN
0016-0032

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โœฆ Synopsis

alpha-amoni-normal butyric acid.

In the laevo rotatory form, it occurs in the molecule of certain proteins, such as casein.

Wallace Windus and C. S. Marvel of the University of Illinois have separated racemic synthetic methionine into its two optically active constituents by conversion into the formyl derivative, and crystallization of the brucine salt of the latter.

The two formyl derivatives were then obtained from their respective brucine salts by treatment with barium hydroxide.

The formyl group was removed by means of hydrochloric acid; and the amino acid obtained.

In this manner, both the laevo and the dextro isomers were obtained.

The synthetic IEVO isomer was found to be identical with natural methionine.

J. S. H.

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