Studies have shed light on a large protein within skeletal muscles named titin.
These kinases have different biological functions, but are all large proteins with common domain structure.
Some drugs, like the large proteins developed by biotechnology, will not normally pass through the skin at all.
Gene replacement therapy for such large proteins may be difficult.
Alpha 2-Macroglobulin is the largest major nonimmunoglobulin protein in plasma.
It turned out to be a piece of a larger and very common protein, plasminogen, that the body uses in blood clotting.
This means that large proteins (such as antibodies) can pass through the stomach wall.
These are large proteins of about 3200 amino acids in length.
They are large proteins that do not pass the blood brain barrier, he said.
The switches, large proteins called receptors, are usually found on a cell's surface.