1KIJ

Crystal structure of the 43K ATPase domain of Thermus thermophilus gyrase B in complex with novobiocin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	DNA GYRASE SUBUNIT B	polymer	390	42721.4	2	UniProt (Q9LCX5) Pfam (PF02518) Pfam (PF00204) UniProt (by SIFTS) (Q5SHZ4)	Thermus thermophilus
2	C, E (A, B)	NOVOBIOCIN	non-polymer		612.6	2	Chemie (NOV)
3	D, F (A, B)	FORMIC ACID	non-polymer		46.0	2	Chemie (FMT)
4	G, H (A, B)	water	water		18.0	468	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85442.9
Non-Polymers*	Number of molecules	4
	Total formula weight	1317.3
All*	Total formula weight	86760.2

*Water molecules are not included.