4LR3

Crystal structure of E. coli YfbU at 2.5 A resolution

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...)	protein YfbU	polymer	164	19560.2	16	UniProt (E2QPF5) Pfam (PF03887)	Escherichia coli
2	AA, AB, CA, CB, DB... (C, K, D, L, M...)	MAGNESIUM ION	non-polymer		24.3	32	Chemie (MG)
3	BA, BB, DA, EA, EB... (C, K, D, E, L...)	PHOSPHATE ION	non-polymer		95.0	23	Chemie (PO4)
4	AC, BC, CC, DC, EC... (H, I, J, K, L...)	water	water		18.0	1335	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	312963.4
Non-Polymers*	Number of molecules	55
	Total formula weight	2962.1
All*	Total formula weight	315925.5

*Water molecules are not included.