Any constituent part of a membrane, a double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. Note that this term is in the subset of terms that should not be used for direct gene product annotation. Instead, select a child term or, if no appropriate child term exists, please request a new term. Direct annotations to this term may be amended during annotation QC.

http://purl.obolibrary.org/obo/GO_0044425

Note that this term is in the subset of terms that should not be used for direct gene product annotation. Instead, select a child term or, if no appropriate child term exists, please request a new term. Direct annotations to this term may be amended during annotation QC.

Any constituent part of a membrane, a double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins.

cellular_component

GO:0044425

http://purl.obolibrary.org/obo/cco#gocheck_do_not_annotate

http://purl.obolibrary.org/obo/cco#gosubset_prok

membrane part

GO:0044425

http://purl.obolibrary.org/obo/GO_0016020

membrane part

http://purl.obolibrary.org/obo/GO_0016020

http://purl.obolibrary.org/obo/GO_0005575

http://purl.obolibrary.org/obo/GO_0005575