6GFM

Crystal structure of the Escherichia coli nucleosidase PpnN (pppGpp-form)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Pyrimidine/purine nucleotide 5'-monophosphate nucleosidase	polymer	474	53244.2	1	UniProt (P0ADR8) Pfam (PF14793) Pfam (PF03641) Pfam (PF11892)	Escherichia coli K-12	AMP nucleosidase,CMP nucleosidase,GMP nucleosidase,IMP nucleosidase,UMP nucleosidase,dTMP nucleosidase
2	B (A)	guanosine 5'-(tetrahydrogen triphosphate) 3'-(trihydrogen diphosphate)	non-polymer		683.1	1	Chemie (0O2)
3	C (A)	water	water		18.0	99	Chemie (HOH)

Sequence modifications

A: 1 - 453 (UniProt: P0ADR8)

PDB	External Database	Details
Arg -16	-	expression tag
Gly -15	-	expression tag
Ser -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
Thr -7	-	expression tag
Asp -6	-	expression tag
Pro -5	-	expression tag
Ala -4	-	expression tag
Leu -3	-	expression tag
Arg -2	-	expression tag
Ala -1	-	expression tag
Gly 454	-	expression tag
Leu 455	-	expression tag
Cys 456	-	expression tag
Gly 457	-	expression tag
Arg 458	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	53244.2
Non-Polymers*	Number of molecules	1
	Total formula weight	683.1
All*	Total formula weight	53927.3

*Water molecules are not included.