*RETAIN LIST ***This list has been retained 21/08/15. No one can subscribe to this list and no one can post to this list. contact helpline@jiscmail.ac.uk for all enquiries regarding this list*** List for discussion of all aspects of the complement system of plasma proteins, which are a major part of the humoral immune defence system. List is intended to provide exchange of research techniques, experience, reagents, ideas, job and funding opportunities at national and international levels.