4ZVB

Crystal structure of globin domain of the E. coli DosC - form II (ferrous)

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	Diguanylate cyclase DosC	polymer	163	19115.0	4	UniProt (P0AA89) Pfam (PF11563) In PDB	Escherichia coli (strain K12)	DGC,Direct oxygen-sensing cyclase
2	A, B, C, D	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
3		water	water		18.0	68	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 155 (UniProt: P0AA89)

PDB	External Database	Details
Leu 156	-	expression tag
Glu 157	-	expression tag
His 158	-	expression tag
His 159	-	expression tag
His 160	-	expression tag
His 161	-	expression tag
His 162	-	expression tag
His 163	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	76460.0
Non-Polymers*	Number of molecules	4
	Total formula weight	2465.9
All*	Total formula weight	78926.0

*Water molecules are not included.