1A0S

SUCROSE-SPECIFIC PORIN

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (P, Q, R)	SUCROSE-SPECIFIC PORIN	polymer	413	45333.7	3	UniProt (P22340) Pfam (PF02264)	Salmonella typhimurium
2	D, E, F (P, Q, R)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
3	G, H, I (P, Q, R)	water	water		18.0	330	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	136001.0
Non-Polymers*	Number of molecules	3
	Total formula weight	120.2
All*	Total formula weight	136121.2

*Water molecules are not included.