8J0F

GK tetramer with adjacent hooks at reaction state

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, E... (C, F, A, E, B...)	Delta-1-pyrroline-5-carboxylate synthase B	polymer	726	78977.3	8	UniProt (P54888) Pfam (PF00696)	Arabidopsis thaliana (thale cress)	P5CS B
2	I, L, O, R (C, A, B, D)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
3	J, M, P, S (C, A, B, D)	GAMMA-GLUTAMYL PHOSPHATE	non-polymer		227.1	4	Chemie (RGP)
4	K, N, Q, T (C, A, B, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	631818.6
Non-Polymers*	Number of molecules	12
	Total formula weight	2714.5
All*	Total formula weight	634533.0

*Water molecules are not included.