9OM9

Crystal structure of E. coli ApaH in complex with AppCH2ppA

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Bis(5'-nucleosyl)-tetraphosphatase [symmetrical]	polymer	286	32160.5	2	UniProt (P05637) Pfam (PF00149)	Escherichia coli K-12	Ap4A hydrolase,Diadenosine 5',5'''-P1,P4-tetraphosphate pyrophosphohydrolase,Diadenosine tetraphosphatase
2	C, H (A, B)	[[(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-[[[[(3~{S},4~{S},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]methyl]phosphinic acid	non-polymer		834.4	2	Chemie (A1CCP)
3	D, F, I, K (A, B)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
4	E, J (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	G (B)	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	1	Chemie (EPE)
6	L, M (A, B)	water	water		18.0	611	Chemie (HOH)

Sequence modifications

A, B: 1 - 280 (UniProt: P05637)

PDB	External Database	Details
His 281	-	expression tag
His 282	-	expression tag
His 283	-	expression tag
His 284	-	expression tag
His 285	-	expression tag
His 286	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	64321.1
Non-Polymers*	Number of molecules	9
	Total formula weight	2175.5
All*	Total formula weight	66496.6

*Water molecules are not included.