3ZK2

Crystal structure of the sodium binding rotor ring at pH 8.7

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, D, E... (A, B, C, D, E...)	ATP SYNTHASE SUBUNIT C	polymer	89	8868.4	22	UniProt (Q8RGD7) Pfam (PF00137)	FUSOBACTERIUM NUCLEATUM	ATP SYNTHASE F(0) SECTOR SUBUNIT C, F-TYPE ATPASE SUBUNIT C, F-ATPASE SUBUNIT C, LIPID-BINDING PROTEIN
2	BA, BB, DA, DB, FA... (C, P, D, Q, E...)	SODIUM ION	non-polymer		23.0	22	Chemie (NA)
3	AA, AB, CA, CB, EA... (B, O, C, P, D...)	DECYL-BETA-D-MALTOPYRANOSIDE	non-polymer		482.6	23	Chemie (DMU)
4	AC, BC, CC, DC, EC... (L, M, N, O, P...)	water	water		18.0	117	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	22
	Total formula weight	195105.5
Non-Polymers*	Number of molecules	45
	Total formula weight	11604.7
All*	Total formula weight	206710.2

*Water molecules are not included.