Cheung HT - Search Results

1

A 1H n.m.r. study of the role of the glutamate moiety in the binding of methotrexate to Lactobacillus casei dihydrofolate reductase.

Antonjuk DJ, Birdsall B, Cheung HT, Clore GM, Feeney J, Gronenborn A, Roberts GC, Tran TQ. Antonjuk DJ, et al. Among authors: cheung ht. Br J Pharmacol. 1984 Feb;81(2):309-15. doi: 10.1111/j.1476-5381.1984.tb10080.x. Br J Pharmacol. 1984. PMID: 6423020 Free PMC article.

2

Structural comparisons of complexes of methotrexate analogues with Lactobacillus casei dihydrofolate reductase by two-dimensional 1H NMR at 500 MHz.

Hammond SJ, Birdsall B, Feeney J, Searle MS, Roberts GC, Cheung HT. Hammond SJ, et al. Among authors: cheung ht. Biochemistry. 1987 Dec 29;26(26):8585-90. doi: 10.1021/bi00400a014. Biochemistry. 1987. PMID: 3126805

3

13C NMR studies of complexes of Escherichia coli dihydrofolate reductase formed with methotrexate and with folic acid.

Cheung HT, Birdsall B, Feeney J. Cheung HT, et al. FEBS Lett. 1992 Nov 9;312(2-3):147-51. doi: 10.1016/0014-5793(92)80923-5. FEBS Lett. 1992. PMID: 1426244 Free article.

4

NMR studies of differences in the conformations and dynamics of ligand complexes formed with mutant dihydrofolate reductases.

Birdsall B, Andrews J, Ostler G, Tendler SJ, Feeney J, Roberts GC, Davies RW, Cheung HT. Birdsall B, et al. Among authors: cheung ht. Biochemistry. 1989 Feb 7;28(3):1353-62. doi: 10.1021/bi00429a062. Biochemistry. 1989. PMID: 2496755

5

Trimethoprim binding to Lactobacillus casei dihydrofolate reductase: a 13C NMR study using selectively 13C-enriched trimethoprim.

Cheung HT, Searle MS, Feeney J, Birdsall B, Roberts GC, Kompis I, Hammond SJ. Cheung HT, et al. Biochemistry. 1986 Apr 22;25(8):1925-31. doi: 10.1021/bi00356a014. Biochemistry. 1986. PMID: 3085709

6

Dynamics of trimethoprim bound to dihydrofolate reductase.

Searle MS, Forster MJ, Birdsall B, Roberts GC, Feeney J, Cheung HT, Kompis I, Geddes AJ. Searle MS, et al. Among authors: cheung ht. Proc Natl Acad Sci U S A. 1988 Jun;85(11):3787-91. doi: 10.1073/pnas.85.11.3787. Proc Natl Acad Sci U S A. 1988. PMID: 3131763 Free PMC article.

7

Solution structure of bound trimethoprim in its complex with Lactobacillus casei dihydrofolate reductase.

Martorell G, Gradwell MJ, Birdsall B, Bauer CJ, Frenkiel TA, Cheung HT, Polshakov VI, Kuyper L, Feeney J. Martorell G, et al. Among authors: cheung ht. Biochemistry. 1994 Oct 18;33(41):12416-26. doi: 10.1021/bi00207a008. Biochemistry. 1994. PMID: 7918464

8

13C NMR determination of the tautomeric and ionization states of folate in its complexes with Lactobacillus casei dihydrofolate reductase.

Cheung HT, Birdsall B, Frenkiel TA, Chau DD, Feeney J. Cheung HT, et al. Biochemistry. 1993 Jul 13;32(27):6846-54. doi: 10.1021/bi00078a007. Biochemistry. 1993. PMID: 8334117

9

The influence of aspartate 26 on the tautomeric forms of folate bound to Lactobacillus casei dihydrofolate reductase.

Birdsall B, Casarotto MG, Cheung HT, Basran J, Roberts GC, Feeney J. Birdsall B, et al. Among authors: cheung ht. FEBS Lett. 1997 Feb 3;402(2-3):157-61. doi: 10.1016/s0014-5793(96)01519-0. FEBS Lett. 1997. PMID: 9037186 Free article.

10

Alpha-monoamides of methotrexate as potential prodrugs.

Antonjuk DJ, Boadle DK, Cheung HT, Friedlander ML, Gregory PM, Tattersall MH. Antonjuk DJ, et al. Among authors: cheung ht. Arzneimittelforschung. 1989 Jan;39(1):12-5. Arzneimittelforschung. 1989. PMID: 2719739

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