title: The beta-Cys-gamma-Glu thiolester bond in human C3, C4, and alpha 2-macroglobulin.
mesh_terms: D000215:Acylation; D000595:Amino Acid Sequence; D000596:Amino Acids / Q000378:metabolism*; D000818:Animals; D001665:Binding Sites; D001894:Borohydrides / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D003176:Complement C3 / Q000032:analysis*; D003181:Complement C4 / Q000032:analysis*; D003545:Cysteine / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D004952:Esters / Q000032:analysis; D005973:Glutamine / Q000032:analysis; D006168:Guinea Pigs; D006868:Hydrolysis; D013438:Sulfhydryl Compounds / Q000032:analysis*; D000511:alpha-Macroglobulins / Q000032:analysis*
chemical_list: D000596:Amino Acids; D001894:Borohydrides; D003176:Complement C3; D003181:Complement C4; D004952:Esters; D013438:Sulfhydryl Compounds; D000511:alpha-Macroglobulins; D005973:Glutamine; C004387:2-amino-5-hydroxyvaleric acid; C025364:sodium borohydride; D003545:Cysteine