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Galactosamine-6-phosphate was identified as a component of the coat of the Bacillus megaterium QM B1551 spore. It was one of the main constituents of the outermost layer of the spore coat, but it was absent from the other integuments including the cortex. These findings suggest that galactosamine-6-phosphate comprises the phosphorus-containing skeleton structure of the spore coat.

ChEBI: The pyranose form of D-glucosamine 6-phosphate.

D-Glucosamine 6-phosphate, the natural form of glucosamine, is a monosaccharide produced during hexosamine biosynthesis pathway by the enzyme glucosamine-6-phosphate deaminase from the two substrates fructose 6-phosphate and glutamine.