The properdin system and immunity. XII. Assay, properties and partial purification of a hydrazine-sensitive serum factor (factor A) in the properdin system.
D001681:Biological Assay; D006834:Hydrazines; D011414:Properdin / Q000737:chemistry*; D014805:Vitamin B 12 / Q000031:analogs & derivatives
D006834:Hydrazines; C413332:factor A; D011414:Properdin; C029424:hydrazine; D014805:Vitamin B 12
PROPERDIN/chemistry