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A region between residues 38 and 42 of the human cholecystokinin-A (CCK-A) receptor was shown to be involved in the binding of CCK but not in that of JMV 179 and JMV 180, two peptides closely related to CCK (Kennedy, K., Escrieut, C., Dufresne, M., Clerc, P., Vaysse, N., and Fourmy, D. (1995) Biochem. Biophys. Res. Commun. 213, 845-852). In the present(More)
Brassinosteroids, which control plant growth and development, are sensed by the membrane receptor kinase BRASSINOSTEROID INSENSITIVE 1 (BRI1). Brassinosteroid binding to the BRI1 leucine-rich repeat (LRR) domain induces heteromerisation with a SOMATIC EMBRYOGENESIS RECEPTOR KINASE (SERK)-family co-receptor. This process allows the cytoplasmic kinase domains(More)
Triphosphate tunnel metalloenzymes (TTMs) are present in all kingdoms of life and catalyze diverse enzymatic reactions such as mRNA capping, the cyclization of adenosine triphosphate, the hydrolysis of thiamine triphosphate, and the synthesis and breakdown of inorganic polyphosphates. TTMs have an unusual tunnel domain fold that harbors substrate- and metal(More)
Mob attacks on Haitian laborers in Dominican Republic following mysterious deaths of two Dominicans are most recent example of what international human rights organizations call Dominican Republic's systematic abuse of Haitians and Dominicans of Haitian descent; mass expulsions drive families apart; root of problem is that victims live in state of permanent(More)
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