Hydroxylysine

... are precursors of polyamines, Homocysteine is an intermediate in S-adenosylmethionine recycling Also present are hydroxyproline, hydroxylysine, and sarcosine. The thyroid hormones are also alpha-amino acids. Some amino acids have even been detected in meteorites tooooo :shock: ...

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... Ser, Thr, Tyr addition of carbohydrate (Ser, Thr, Asn) or lipid moieties g-carboxyglutamic acid in prothrombin--binds Ca++ 4-hydroxyproline and 5-hydroxylysine in collagen Uncommon amino acids and their derivatives D-alaine (bacterial cell walls) L-ornithine (urea cycle, polyamine synthesis) Homoserine ...

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