9IGR

Crystal structure of PPK2 class III from Erysipelotrichaceae bacterium in complex with polyphosphate

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)	Polyphosphate--nucleotide phosphotransferase	polymer	306	36625.2	4	UniProt (A0A3D5XRJ5) Pfam (PF03976) UniProt (by SIFTS) (A0A176U584)	Erysipelotrichaceae bacterium
2	E, F, I, L (A, B, C, D)	bis[oxidanyl-[oxidanyl-[oxidanyl-[oxidanyl(phosphonooxy)phosphoryl]oxy-phosphoryl]oxy-phosphoryl]oxy-phosphoryl] hydrogen phosphate	non-polymer		897.8	4	Chemie (6YY)
3	G, J (B, C)	BENZOIC ACID	non-polymer		122.1	2	Chemie (BEZ)
4	H, M, N (B, D)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
5	K, O (C, D)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
6	P, Q, R, S (A, B, C, D)	water	water		18.0	186	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 298 (UniProt: A0A3D5XRJ5)

PDB	External Database	Details
Ala 2	Ile 2	engineered mutation
Leu 299	-	expression tag
Glu 300	-	expression tag
His 301	-	expression tag
His 302	-	expression tag
His 303	-	expression tag
His 304	-	expression tag
His 305	-	expression tag
His 306	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	146501.0
Non-Polymers*	Number of molecules	11
	Total formula weight	4168.9
All*	Total formula weight	150669.9

*Water molecules are not included.