| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
| 41 | DF | MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION {26} |
| 72 | DF | .~ Preparing compound containing saccharide radical {13} |
| 84 | DF | .~.~ Preparing nitrogen-containing saccharide {1} |
| 85 | DF | .~.~.~ N-glycoside {3} |
| 89 | DF | .~.~.~.~ Nucleotide {3} |
| 91.1 | DF | .~.~.~.~.~ Polynucleotide (e.g., nucleic acid, oligonucleotide, etc.) {4} |
| 91.5 | ![]() | .~.~.~.~.~.~ Acellular preparation of polynucleotide {3} |
| 91.51 | DF | .~.~.~.~.~.~.~> Involving RNA as a starting material or intermediate |
| 91.52 | DF | .~.~.~.~.~.~.~> Involving a ligase (6.) |
| 91.53 | DF | .~.~.~.~.~.~.~> Involving a hydrolase (3.) |