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.
... dative). Incidentally, "tatpurusha" is a tatpurusha ("this man"--meaning someone's agent), while "caturtitatpurusha" is a karmadhariya, being both dative, and ...