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- [6] NUCLEOTIDE-SEQUENCE OF DIHYDROFOLATE-REDUCTASE GENES FROM TRIMETHOPRIM-RESISTANT MUTANTS OF ESCHERICHIA-COLI - EVIDENCE THAT DIHYDROFOLATE-REDUCTASE INTERACTS WITH ANOTHER ESSENTIAL GENE-PRODUCT MOLECULAR AND GENERAL GENETICS, 1982, 187 (01): : 72 - 78
- [10] SIMULTANEOUS PURIFICATION AND SOME PROPERTIES OF ASPARTATE-TRANSFER-TRANSFER-RNA LIGASE AND 7 OTHER AMINO-ACID TRANSFER-RNA LIGASES FROM ESCHERICHIA-COLI EUROPEAN JOURNAL OF BIOCHEMISTRY, 1978, 83 (01): : 29 - 36