4DDQ

Structural plasticity of the Bacillus subtilis GyrA homodimer

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...	DNA gyrase subunit A	polymer	502	56752.7	6	UniProt (P05653) Pfam (PF00521) In PDB	Bacillus subtilis
2	A, B, C, D, E...	POTASSIUM ION	non-polymer		39.1	6	Chemie (K)
3	F	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
4		water	water		18.0	3	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	340516.2
Non-Polymers*	Number of molecules	7
	Total formula weight	356.7
All*	Total formula weight	340873.0

*Water molecules are not included.