4CO2

Structure of PII signaling protein GlnZ from Azospirillum brasilense in complex with adenosine diphosphate

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)	PII-LIKE PROTEIN PZ	polymer	112	12287.1	2	UniProt (P70731) Pfam (PF00543)	AZOSPIRILLUM BRASILENSE
2	C, E (A, B)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
3	D, F (A, B)	TETRAETHYLENE GLYCOL	non-polymer		194.2	2	Chemie (PG4)
4	G, H (A, B)	water	water		18.0	126	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24574.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1242.9
All*	Total formula weight	25817.1

*Water molecules are not included.