staphylococcal protein a ( which binds to the fc region of human igg subclasses 1 , 2 , and 4 ) and rabbit anti-human c3 conjugated with peroxidase were used for the ultrastructural ( 5 patients ) and light microscopic ( 12 patients ) localization of igg and c3 , respectively , at mg end-plates .
C0086418
human
C0027021
peroxidase