2RD5

Structural basis for the regulation of N-acetylglutamate kinase by PII in Arabidopsis thaliana

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Acetylglutamate kinase-like protein	polymer	298	31254.2	2	UniProt (Q9SCL7) Pfam (PF00696) In PDB	Arabidopsis thaliana (thale cress)
2	C, D	PII protein	polymer	135	14779.9	2	UniProt (Q9ZST4) Pfam (PF00543) In PDB	Arabidopsis thaliana (thale cress)	P II nitrogen sensing protein GLB I, At4g01900
3	A, B	ARGININE	non-polymer		175.2	2	Chemie (ARG)
4	A, B	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
5	A, B	N-ACETYL-L-GLUTAMATE	non-polymer		189.2	2	Chemie (NLG)
6	B, C, D	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
7	C, D	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
8		water	water		18.0	64	Chemie (HOH)

Sequence modifications

A, B: 1 - 297 (UniProt: Q9SCL7)

PDB	External Database	Details
Met 0	-	initiating methionine

C, D: 1 - 134 (UniProt: Q9ZST4)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	92068.2
Non-Polymers*	Number of molecules	11
	Total formula weight	2670.4
All*	Total formula weight	94738.7

*Water molecules are not included.