title: Cloning and expression of the uracil-DNA glycosylase inhibitor (UGI) from bacteriophage PBS-1 and crystallization of a uracil-DNA glycosylase-UGI complex.
abstract: The uracil-DNA glycosylase inhibitory protein (UGI) from the bacteriophage PBS-1 has been cloned and overexpressed. The nucleotide sequence is identical to that for the previously described PBS-2 inhibitor. The recombinant PBS-1 UGI inhibits the uracil-DNA glycosylase from herpes simplex virus type-1 (HSV-1 UDGase), and a complex between the HSV-1 UDGase and PBS-1 UGI has been crystallized. The crystals have unit cell dimensions a = 143.21 A, c = 40.78 A and are in a polar hexagonal space group. There is a single complex in the asymmetric unit with a solvent content of 62% by volume and the crystals diffract to 2.5A on a synchrotron radiation source.
mesh_terms: D017103:Bacillus Phages / Q000737:chemistry*; D001412:Bacillus subtilis; D003001:Cloning, Molecular; D003460:Crystallization; D018360:Crystallography, X-Ray; D045647:DNA Glycosylases; D015870:Gene Expression; D018259:Herpesvirus 1, Human / Q000201:enzymology; D009699:N-Glycosyl Hydrolases / Q000037:antagonists & inhibitors / Q000737:chemistry* / Q000378:metabolism; D011994:Recombinant Proteins / Q000737:chemistry / Q000302:isolation & purification / Q000378:metabolism; D051981:Uracil-DNA Glycosidase; D014764:Viral Proteins / Q000737:chemistry* / Q000235:genetics / Q000378:metabolism
chemical_list: D011994:Recombinant Proteins; D014764:Viral Proteins; C027619:uracil-DNA glycosylase inhibitor protein, B. subtilis bacteriophage; D045647:DNA Glycosylases; D009699:N-Glycosyl Hydrolases; D051981:Uracil-DNA Glycosidase