4UIQ

Isolated globin domain of the Bordetella pertussis globin-coupled sensor with a heme at the dimer interface

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)	GLOBIN-COUPLED SENSOR WITH DIGUANYLATE CYCLASE ACTIVITY	polymer	177	19965.5	2	UniProt (Q7VTL8) Pfam (PF11563)	BORDETELLA PERTUSSIS
2	C, D, G, H (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
3	E, F (A)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	I (B)	IMIDAZOLE	non-polymer		69.1	1	Chemie (IMD)
5	J, K (A, B)	water	water		18.0	171	Chemie (HOH)

Sequence modifications

A, B: 1 - 169 (UniProt: Q7VTL8)

PDB	External Database	Details
Leu 170	-	expression tag
Glu 171	-	expression tag
His 172	-	expression tag
His 173	-	expression tag
His 174	-	expression tag
His 175	-	expression tag
His 176	-	expression tag
His 177	-	expression tag
Ser 16	Cys 16	engineered mutation
Ser 45	Cys 45	engineered mutation
Ser 114	Cys 114	engineered mutation
Ser 154	Cys 154	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39931.1
Non-Polymers*	Number of molecules	7
	Total formula weight	2719.2
All*	Total formula weight	42650.3

*Water molecules are not included.