GO:0005618

cell wall

Details: 
The rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, and most prokaryotic cells, maintaining their shape and protecting them from osmotic lysis. In plants it is made of cellulose and, often, lignin; in fungi it is composed largely of polysaccharides; in bacteria it is composed of peptidoglycan.
GO Category: 
cellular_component
320
Total items in this category:  
Adenylate cyclase (EC 4.6.1.1)
Methylated-DNA--protein-cysteine methyltransferase (EC 2.1.1.63)
Mobile element protein
ATP synthase beta chain (EC 3.6.3.14)
ATP synthase gamma chain (EC 3.6.3.14)
ATP synthase alpha chain (EC 3.6.3.14)
Transcription termination factor Rho
Diaminopimelate decarboxylase (EC 4.1.1.20)
Choline dehydrogenase (EC 1.1.99.1)