Urine Hydroxyproline

Description: ARUP Laboratories is a national reference laboratory and a worldwide leader in innovative laboratory research and development. ARUP offers an extensive test menu of highly complex and unique medical tests in clinical and anatomic pathology. Owned by the University of Utah, ARUP Laboratories' client...
Company:ARUP Laboratories

Hydroxyproline in Biological News

Oldest fossil human protein ever sequenced

...ls, humans, chimpanzees and orangutans from that of gorillas and most other mammals. This sequence difference is at position nine where the amino acid hydroxyproline is replaced by proline. The authors suggest that this is a dietary response, as the formation of hydoxyproline requires vitamin C, which is ample i...

Hydroxyproline in Biological Definition

Amino acid

...ers glycine , GABA and glutamate , as well as carnitine (used in lipid transport within a cell ), ornithine , citrulline , homocysteine , hydroxyproline , hydroxylysine , and sarcosine . Some of the 20 standard amino acids are called essential amino acids , because they cannot be synthesized by ...

Collagen

...l as two amino acids that are not inserted directly by ribosomes – hydroxyproline and hydroxylysine – the former composing a rather large percentage...as opposed to the .36 nm of a regular Alpha helical coil. Hydroxylysine and hydroxyproline play important roles in the stabilisation of the tropocollagen globular str...

Glycoprotein

...ate (a sugar ). The carbohydrate is usually attached to the protein in a posttranslational modification , at either asparagine , hydroxylysine , hydroxyproline , serine , or threonine . Possible carbohydrates include glucose , glucosamine , galactose , galactosamine , mannose , fructose , and sialic a...