4CO0

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	PII-LIKE PROTEIN PZ	polymer	112	12287.1	2	UniProt (P70731) Pfam (PF00543) In PDB	AZOSPIRILLUM BRASILENSE
2	A, B	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
3	B	L(+)-TARTARIC ACID	non-polymer		150.1	1	Chemie (TLA)
4		water	water		18.0	271	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24574.2
Non-Polymers*	Number of molecules	3
	Total formula weight	1004.5
All*	Total formula weight	25578.7

*Water molecules are not included.