GO:0016021

integral component of membrane

Details: 
The component of a membrane consisting of gene products and protein complexes that have some part that penetrates at least one leaflet of the membrane bilayer. This component includes gene products that are buried in the bilayer with no exposure outside the bilayer.
GO Category: 
CC
Na_Ca_ex
2A1904
SPC22 superfamily
SNC1
Peptidase_A22B superfamily
Cytochrome_b_N superfamily
hypothetical protein
ELO
TLC superfamily
60KD_IMP superfamily