Proline is one of the twenty amino acids that are used by living organisms as a building block of proteins. Technically, proline is an imino acid, as it contains no amino group.
In proteins, proline can act as a structural disruptor for α helices, and as a turning point in β sheets. Multiple prolines in a row can create a proline helix.
... median age is 41 years. For every 100 females there are 98.0 males. For every 100 females age 18 and over, there are 96.5 males.
The median income for a household in the ...