3N77

Crystal structure of Idp01880, putative NTP pyrophosphohydrolase of Salmonella typhimurium LT2

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)	Nucleoside triphosphatase nudI	polymer	144	16416.7	2	UniProt (Q8ZNF5) Pfam (PF00293)	Salmonella enterica subsp. enterica serovar Typhimurium
2	C, D (A, B)	water	water		18.0	204	Chemie (HOH)

Sequence modifications

A, B: 1 - 141 (UniProt: Q8ZNF5)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag
Ala 118	Lys 118	engineered mutation
Ala 120	Glu 120	engineered mutation
Ala 121	Glu 121	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	32833.4
All*	Total formula weight	32833.4

*Water molecules are not included.