Nuclear magnetic resonance study of dihydrofolate reductase labeled with [.gamma.-13C]tryptophan
1977 ◽
Vol 76
(1)
◽
pp. 183-188
◽
1971 ◽
Vol 32
(C1)
◽
pp. C1-1154-C1-1156
◽
1969 ◽
Vol 244
(20)
◽
pp. 5656-5662
1981 ◽
pp. 1082
◽