2W3H

Cyanide bound structure of the first GAF domain of Mycobacterium tuberculosis DosS

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)	TWO COMPONENT SENSOR HISTIDINE KINASE DEVS (GAF FAMILY PROTEIN)	polymer	153	16756.0	2	UniProt (P95194) Pfam (PF01590) UniProt (by SIFTS) (P9WGK3)	MYCOBACTERIUM TUBERCULOSIS	DOSS
2	C, F (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, G (A, B)	CYANIDE ION	non-polymer		26.0	2	Chemie (CYN)
4	E (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
5	H, I (A, B)	water	water		18.0	249	Chemie (HOH)

Sequence modifications

A, B: 58 - 62 (PDB: 2W3H)
A, B: 63 - 210 (UniProt: P95194)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33512.0
Non-Polymers*	Number of molecules	5
	Total formula weight	1325.1
All*	Total formula weight	34837.1

*Water molecules are not included.