3TA2

A. fulgidus GlnK3, MgATP/2-OG complex

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	Nitrogen regulatory protein P-II (GlnB-3)	polymer	118	13164.2	3	UniProt (O28524) Pfam (PF00543) In PDB	Archaeoglobus fulgidus	GlnK3
2	A, B, C	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
3	A, B, C	2-OXOGLUTARIC ACID	non-polymer		146.1	3	Chemie (AKG)
4	A, B, C	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	3	Chemie (ATP)
5	B, C	NICKEL (II) ION	non-polymer		58.7	2	Chemie (NI)
6		water	water		18.0	345	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 109 (UniProt: O28524)

PDB	External Database	Details
Ala 110	-	expression tag
Ala 111	-	expression tag
Ala 112	-	expression tag
His 113	-	expression tag
His 114	-	expression tag
His 115	-	expression tag
His 116	-	expression tag
His 117	-	expression tag
His 118	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	39492.7
Non-Polymers*	Number of molecules	11
	Total formula weight	2150.1
All*	Total formula weight	41642.8

*Water molecules are not included.