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Crystal structures of N-carbamoylsarcosine amidohydrolase (CSHase; EC have been analyzed by X-ray diffraction methods with two different inhibitors bound to the active site at 2.28 A and 2.37 A resolution. The catalytic center of the enzyme could be identified on the basis of these structures. The four substrate binding sites are situated at the(More)
The buccalin-related peptides, buccalin A and buccalin B, are members of a family of cotransmitters that modulate neuromuscular transmission in Aplysia. In this study, a third buccalin-related peptide, buccalin C, was purified from neuronal elements in the accessory radula closer, a muscle involved in the animal's feeding behavior. Oligonucleotide probes(More)
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