Oxytocin: Crystal Data of a Seleno Analog

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Science  28 Feb 1969:
Vol. 163, Issue 3870, pp. 925-926
DOI: 10.1126/science.163.3870.925


The sulfur atom in position 6 of deamino-oxytocin (1-β-mercapto-propionic acid-oxytocin) was replaced by selenium. The crystals of the resulting deamino-6-seleno-oxytocin are similar to those of the "wet" form of deamino-oxytocin, but they are stable upon prolonged exposure to air.

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