Definition
noun, plural: integral proteins
A protein molecule or protein assembly permanently attached in biological membrane.
Supplement
Two types of integral proteins are:
- transmembrane protein
- integral monotopic protein
These proteins are firmly attached in the plasma membrane, with its hydrophobic component interacting with the phospholipids.
Also called: integral membrane protein or IMP
Synonym: intrinsic protein
Compare: peripheral membrane
See also: fluid mosaic model