obsolete intrinsic component of thylakoid membrane https://github.com/geneontology/go-ontology/issues/23424 true GO:0031360 OBSOLETE. The component of the thylakoid membrane consisting of the gene products and protein complexes having either part of their peptide sequence embedded in the hydrophobic region of the membrane or some other covalently attached group such as a GPI anchor that is similarly embedded in the membrane. intrinsic to thylakoid membrane This term was obsoleted because it represents protein topology, not a cellular component. cellular_component thylakoid membrane