41. BMP4 is a polypeptide belonging to the mineralization, and ureteric bud development. 42. SMAD3 is a polypeptide with a molecular weight of 48, 080 daltons. 43. Human ferrochelatase is a homodimer composed of two 359 amino acid polypeptide chains. 44. :Peptide says that " Proteins are polypeptide molecules. 45. This gene encodes adenylate cyclase-activating polypeptide 1. 46. The polypeptide structure of CX3CL1 differs from the typical structure of other chemokines. 47. He developed the Bergmann-Zervas carbobenzoxy method for the synthesis of polypeptides . 48. The virus capsid is composed of three major polypeptides and two minor polypeptides. 49. The virus capsid is composed of three major polypeptides and two minor polypeptides . 50. In Mus Musculus FL-Scyl1 encodes an 806-amino acid polypeptide .