District Employment Opportunities: Anyone interested in working for the Town of Discovery Bay can check here for available openings; in addition, you may wish to submit a resume that can be kept on file for 12 months in the event that a new position opens for which you may be a suitable candidate.
father, 1680s, from French papa, from Latin papa, originally a child's word, cf. The native word is daddy; first use of papa was in courtly speech, as a continental affectation, not used by common folk until late 18c.
Physical Properties and Kinetics. Papain is a cysteine protease of the peptidase C1 family. Papain consists of a single polypeptide chain with three disulfide bridges and a sulfhydryl group necessary for activity of the enzyme. Papain has also been used in the enzymatic synthesis of amino acids, peptides, and other molecules. 2  10-13. 3  Fab and F(ab') 2 antibody fragments are used in assay systems where the presence of the Fc region may cause problems. 4  In these cases it is preferable to use only the antigen binding (Fab) portion of an antibody.