EOG870WXM GO:0008892 21/89 guanine deaminase activity molecular_function "Catalysis of the reaction: guanine + H2O = xanthine + NH3." [EC:3.5.4.3] EOG870WXM GO:0008270 21/89 zinc ion binding molecular_function "Interacting selectively and non-covalently with zinc (Zn) ions." [GOC:ai] EOG870WXM GO:0006147 21/89 guanine catabolic process biological_process "The chemical reactions and pathways resulting in the breakdown of guanine, 2-amino-6-hydroxypurine, a purine that is one of the five main bases found in nucleic acids and a component of a number of phosphorylated guanosine derivatives whose metabolic or regulatory functions are important." [GOC:go_curators] EOG870WXM GO:0004153 1/89 dihydropterin deaminase activity molecular_function "Catalysis of the reaction: 7,8-dihydropterin + H2O = 7,8-dihydrolumazine + NH3." [FB:FBrf0039640, GOC:jl, http://www.abbs.info/fulltxt/eng/35030306.htm, ISSN:05829879] EOG870WXM GO:0016021 1/89 integral component of membrane cellular_component "The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane." [GOC:dos, GOC:go_curators] EOG870WXM GO:0004930 1/89 G-protein coupled receptor activity molecular_function "Combining with an extracellular signal and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex." [GOC:bf, http://www.iuphar-db.org, Wikipedia:GPCR] EOG870WXM GO:0016810 1/89 hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds molecular_function "Catalysis of the hydrolysis of any carbon-nitrogen bond, C-N, with the exception of peptide bonds." [GOC:jl] EOG870WXM GO:0006726 1/89 eye pigment biosynthetic process biological_process "The chemical reactions and pathways resulting in the formation of eye pigments, any general or particular coloring matter in living organisms, found or utilized in the eye." [GOC:ai] EOG870WXM GO:0051067 1/89 dihydropteridine metabolic process biological_process "The chemical reactions and pathways involving 6,7-dihydropteridine, a bicyclic compound with the formula C6H6N4." [CHEBI:30156, GOC:ai] EOG870WXM GO:0046098 1/89 guanine metabolic process biological_process "The chemical reactions and pathways involving guanine, 2-amino-6-hydroxypurine, a purine that is one of the five main bases found in nucleic acids and a component of a number of phosphorylated guanosine derivatives whose metabolic or regulatory functions are important." [GOC:go_curators]