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Hydroxylysine

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Hydroxylysine
Common name hydroxylysine
Systematic name 2,6-diamino-5-
hydroxyhexanoic acid
Chemical formula C6H14N2O3
Molar mass 162.19 g mol-1
colspan="2" |
Schematic diagram of 5-hydroxylysine.

Hydroxylysine is an amino acid, C6H14N2O3. It is most widely known as a component of collagen. A standard amino acid with the R' group consisting of an amino terminated butyl hydrocarbon chain, with a hydroxyl group on the carbon atom before the amino group. See also lysine which lacks the hydroxyl group of hydrolysine.

Structure is: NH2 - CH2 - CH(OH) - CH2 - CH2 - CH(NH2)COOH

The number of hydrogens vary depending on the ionization state of the molecule's carboxyl and amino groups.

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