4TTI

Crystal structure of double mutant E. Coli purine nucleoside phosphorylase with 4 FMC molecules

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4ttia_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	Purine nucleoside phosphorylase, PNP	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4ttib_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	Purine nucleoside phosphorylase, PNP	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4ttic_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	Purine nucleoside phosphorylase, PNP	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4ttid_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	Purine nucleoside phosphorylase, PNP	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E	d4ttie_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	Purine nucleoside phosphorylase, PNP	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F	d4ttif_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Purine and uridine phosphorylases	Purine and uridine phosphorylases	Purine nucleoside phosphorylase, PNP	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Purine and uridine phosphorylases	8037965	3000626	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Purine and uridine phosphorylases	8037965	3000626	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Purine and uridine phosphorylases	8037965	3000626	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Purine and uridine phosphorylases	8037965	3000626	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Purine and uridine phosphorylases	8037965	3000626	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Purine and uridine phosphorylases	8037965	3000626	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PNP_UDP_1	e4ttiA1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: PNP_UDP_1	ECOD (1.6)
B	PNP_UDP_1	e4ttiB1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: PNP_UDP_1	ECOD (1.6)
C	PNP_UDP_1	e4ttiC1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: PNP_UDP_1	ECOD (1.6)
D	PNP_UDP_1	e4ttiD1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: PNP_UDP_1	ECOD (1.6)
E	PNP_UDP_1	e4ttiE1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: PNP_UDP_1	ECOD (1.6)
F	PNP_UDP_1	e4ttiF1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: PNP_UDP_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
B	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
C	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
D	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
E	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)
F	3.40.50.1580	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleoside phosphorylase domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF01048	Phosphorylase superfamily (PNP_UDP_1)	Phosphorylase superfamily	Members of this family include: purine nucleoside phosphorylase (PNP) Uridine phosphorylase (UdRPase) 5'-methylthioadenosine phosphorylase (MTA phosphorylase)	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Purine nucleoside phosphorylase DeoD-type	guanosine phosphorylase activity pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity purine-nucleoside phosphorylase activity identical protein binding protein binding binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process glycosyl compound metabolic process catabolic process purine nucleoside catabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process cellular catabolic process organic substance metabolic process heterocycle metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process glycosyl compound metabolic process catabolic process purine nucleoside catabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process cellular catabolic process organic substance metabolic process heterocycle metabolic process nucleobase-containing small molecule metabolic process nitrogen compound metabolic process small molecule metabolic process organonitrogen compound catabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process glycosyl compound catabolic process purine-containing compound catabolic process aromatic compound catabolic process nucleoside metabolic process cellular nitrogen compound catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process purine-containing compound metabolic process organic cyclic compound metabolic process nucleobase-containing small molecule catabolic process nucleoside catabolic process heterocycle catabolic process metabolic process small molecule catabolic process organic substance catabolic process purine nucleoside metabolic process cellular aromatic compound metabolic process nucleobase-containing small molecule interconversion purine nucleoside interconversion	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR018016	Nucleoside phosphorylase, conserved site	Conserved Site
A, B, C, D, E A, B, C, D, E, F	IPR004402	Purine nucleoside phosphorylase DeoD-type	Family
A, B, C, D, E A, B, C, D, E, F	IPR035994	Nucleoside phosphorylase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR000845	Nucleoside phosphorylase domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.