6YVC

Crystal structure of the small alarmone hydrolase (SAH) of Pseudomonas aeruginosa

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 (A, B, C, D)	Bifunctional (P)ppGpp synthetase/guanosine-3',5'-bis(Diphosphate) 3'-pyrophosphohydrolase	polymer	191	21601.3	4	UniProt (A0A071L0I0) Pfam (PF13328) UniProt (by SIFTS) (Q9I686)	Pseudomonas aeruginosa
2	E, F, G, H (A, B, C, D)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	I, J, K, L (A, B, C, D)	water	water		18.0	854	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 184 (UniProt: A0A071L0I0)

PDB	External Database	Details
Met -6	-	initiating methionine
Gly -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
Met 5	Thr 5	conflict

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	86405.3
Non-Polymers*	Number of molecules	4
	Total formula weight	219.8
All*	Total formula weight	86625.1

*Water molecules are not included.