| 4-methylene-L-glutamine amidohydrolase | <enzyme> From peanut leaves Registry number: EC 3.5.1.- (26 Jun 1999) |
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| Loeffler's methylene blue | A stain for diphtheria organisms that contains methylene blue in dilute ethanol plus a slight amount of potassium hydroxide; dye solution gives best results when aged to a polychrome state. (05 Mar 2000) |