Structure The molecular structure of alpha-keratin. Disulfide bonds between two alpha-helix keratin. Î±-keratin is a polypeptide chain , typically high in alanine , leucine , arginine , and cysteine , that forms a right-ha
About city. Bangui is the capital of the Central African Republic. Covering an area of 67 sq km and with an approximate population of 750,000 recorded in 2012, it is also the largest city in the country.bout city. Bangui is the capital of the Central African Republic. Covering an area of 67 sq km and with an approximate population of 750,000 recorded in 2012, it is also the largest city in the country.
CAR cannibal: Why I ate man's leg. Read more about sharing. Religious violence in the Central African Republic has reached a new extreme with an act of cannibalism in the capital, Bangui. The BBC's Paul Wood has heard a graphic first-person account, which some might find upsetting. The buses throwing up clouds of red clay dust had yet to rub out the ugly bloodstain in the dirt.