1OID

5'-Nucleotidase (E. coli) with an Engineered Disulfide Bridge (S228C, P513C)

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)	PROTEIN USHA	polymer	532	59257.7	2	UniProt (P07024) Pfam (PF00149) Pfam (PF02872)	ESCHERICHIA COLI	5-NUCLEOTIDASE
2	C (A)	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
3	D, E (A, B)	water	water		18.0	746	Chemie (HOH)

Sequence modifications

A, B: 26 - 550 (UniProt: P07024)

PDB	External Database	Details
Cys 228	Ser 228	engineered mutation
Cys 513	Pro 513	engineered mutation

A, B: 551 - 557 (PDB: 1OID)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	118515.4
Non-Polymers*	Number of molecules	1
	Total formula weight	58.7
All*	Total formula weight	118574.1

*Water molecules are not included.