3IFZ

crystal structure of the first part of the Mycobacterium tuberculosis DNA gyrase reaction core: the breakage and reunion domain at 2.7 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 (A, B)	DNA gyrase subunit A	polymer	508	56975.4	2	UniProt (Q07702) Pfam (PF00521) UniProt (by SIFTS) (P9WG47)	Mycobacterium tuberculosis
2	C, E (A, B)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	2	Chemie (MPD)
3	D, F (A, B)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	G, H (A, B)	water	water		18.0	222	Chemie (HOH)

Sequence modifications

A, B: 1 - 501 (UniProt: Q07702)

PDB	External Database	Details
Glu 502	-	expression tag
His 503	-	expression tag
His 504	-	expression tag
His 505	-	expression tag
His 506	-	expression tag
His 507	-	expression tag
His 508	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	113950.7
Non-Polymers*	Number of molecules	4
	Total formula weight	282.3
All*	Total formula weight	114233.1

*Water molecules are not included.