1NUL

XPRTASE FROM E. COLI

Domain Annotation: SCOP Classification SCOP Database (version: 2.0) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A	d1nula_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Xanthine-guanine PRTase (XPRTase)	(Escherichia coli ) [TaxId: 562 ]
B	d1nulb_	Alpha and beta proteins (a/b)	PRTase-like	PRTase-like	Phosphoribosyltransferases (PRTases)	Xanthine-guanine PRTase (XPRTase)	(Escherichia coli ) [TaxId: 562 ]

Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold
B	3.40.50.2020	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A, B	PF00156	Phosphoribosyl transferase domain (Pribosyltran)	Phosphoribosyl transferase domain	This family includes a range of diverse phosphoribosyl transferase enzymes. This family includes: Adenine phosphoribosyl-transferase EC:2.4.2.7, Swiss:P07672. Hypoxanthine-guanine-xanthine phosphoribosyl-transferase Swiss:P51900. Hypoxanthine phosph ...	This family includes a range of diverse phosphoribosyl transferase enzymes. This family includes: Adenine phosphoribosyl-transferase EC:2.4.2.7, Swiss:P07672. Hypoxanthine-guanine-xanthine phosphoribosyl-transferase Swiss:P51900. Hypoxanthine phosphoribosyl-transferase EC:2.4.2.8 Swiss:P36766. Ribose-phosphate pyrophosphokinase i EC:2.7.6.1 Swiss:P09329. Amidophosphoribosyltransferase EC:2.4.2.14 Swiss:P00496. Orotate phosphoribosyl-transferase EC:2.4.2.10 Swiss:P11172. Uracil phosphoribosyl-transferase EC:2.4.2.9 Swiss:P25532. Xanthine-guanine phosphoribosyl-transferase EC:2.4.2.22 Swiss:P00501. In Arabidopsis, At the very N-terminus of this domain is the P-Loop NTPase domain [1].	Domain

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	XANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	catalytic activity hypoxanthine phosphoribosyltransferase activity transferase activity transferase activity, transferring glycosyl groups transferase activity, transferring pentosyl groups purine phosphoribosyltransferase activity	cellular process cellular component organization cellular component assembly protein-containing complex subunit organization cellular component biogenesis protein complex oligomerization protein homooligomerization protein tetramerization protein homotetramerization protein-containing complex assembly cellular component organization or biogenesis	intracellular anatomical structure cytoplasm cytosol cellular anatomical entity plasma membrane membrane cell periphery

RCSB PDB is 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.