3OPX

Crystal structure of pyrimidine 5 -nucleotidase SDT1 from Saccharomyces cerevisiae complexed with uridine 5'-monophosphate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Protein SSM1	polymer	263	30190.7	1	UniProt (P53078) Pfam (PF00702)	Saccharomyces cerevisiae (yeast)	SDT1 nucleotidase
2	B (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	C (A)	URIDINE-5'-MONOPHOSPHATE	non-polymer		324.2	1	Chemie (U5P)
4	D (A)	water	water		18.0	167	Chemie (HOH)

Sequence modifications

A: 1 - 255 (UniProt: P53078)

PDB	External Database	Details
Ala 36	Asp 61	engineered mutation
Leu 256	-	expression tag
Glu 257	-	expression tag
His 258	-	expression tag
His 259	-	expression tag
His 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30190.7
Non-Polymers*	Number of molecules	2
	Total formula weight	348.5
All*	Total formula weight	30539.2

*Water molecules are not included.