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- noun organic chemistry, especially in combination A univalent radical derived from
Sorry, no etymologies found.
Based on seasonal and diurnal amino acid analyses of candidate "trees of life", high levels of arginine, proline, and guanidino compounds were also probably present in decoctions prepared in the severe winter.
The value of arginine, especially in the recovery of the critically ill sailors, is postulated as a source of nitric oxide, and the arginine-derived guanidino compounds as controlling factors for the activities of different nitric oxide synthases.
The substrate L-arginine binds to a side chain terminus fitted tightly into the narrow part of the dimerization funnel cavity with its guanidino group positioned close to and coplanar to the iron atom on the haem.