{"ymdb_id":"YMDB00511","created_at":"2011-05-29T18:25:06.000Z","updated_at":"2016-09-08T18:35:33.000Z","name":"xanthosine","cas":"146-80-5","state":"Solid","melting_point":null,"description":"Xanthosine is a nucleoside derived from xanthine and ribose. It is an intermediate in purine metabolism.","experimental_water_solubility":null,"experimental_logp_hydrophobicity":null,"location":"extracellular;cytoplasm","synthesis_reference":"Enei, Hitoshi; Sato, Katsuaki; Hirose, Yoshio.  Xanthosine production by fermentation.    Jpn. Kokai Tokkyo Koho  (1975),     3 pp. ","chebi_id":"18107","hmdb_id":"HMDB00299","kegg_id":"C01762","pubchem_id":"64959","cs_id":"58484","foodb_id":null,"wikipedia_link":"Xanthosine","biocyc_id":"XANTHOSINE","iupac":"9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-9H-purine-2,6-diol","traditional_iupac":"9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]purine-2,6-diol","logp":"-1.1903825390000002","pka":"12.473029142968798","alogps_solubility":"2.78e+01 g/l","alogps_logp":"-1.60","alogps_logs":"-1.01","acceptor_count":"9","donor_count":"5","rotatable_bond_count":"2","polar_surface_area":"153.98000000000002","refractivity":"62.40299999999999","polarizability":"25.54856291933196","formal_charge":"0","physiological_charge":"0","pka_strongest_basic":"0.07830393650019773","pka_strongest_acidic":"11.331641933271216","bioavailability":"1","number_of_rings":"3","rule_of_five":"1","ghose_filter":"0","veber_rule":"0","mddr_like_rule":"0","synonyms":["\u0026beta;-D-Ribofuranoside, xanthine-9","3,9-Dihydro-9-b-D-ribofuranosyl-1H-purine-2,6-dione","3,9-Dihydro-9-beta-delta-ribofuranosyl-1H-purine-2,6-dione","3,9-Dihydro-9-D-ribofuranosyl-1H-purine-2,6-dione","3,9-Dihydro-9-delta-ribofuranosyl-1H-purine-2,6-dione","9-b-D-Ribofuranosylxanthine","9-beta-D-ribofuranosyl-3,9-dihydro-1H-purine-2,6-dione","9-beta-delta-Ribofuranosylxanthine","9-D-Ribofuranosylxanthine","9-delta-Ribofuranosylxanthine","Xanthine riboside","Xanthosine"],"pathways":[{"name":"Purine metabolism","kegg_map_id":"00230"}],"growth_conditions":[],"references":[{"pubmed_id":21062828,"citation":"Scheer, M., Grote, A., Chang, A., Schomburg, I., Munaretto, C., Rother, M., Sohngen, C., Stelzer, M., Thiele, J., Schomburg, D. (2011). \"BRENDA, the enzyme information system in 2011.\" Nucleic Acids Res 39:D670-D676."},{"pubmed_id":18846089,"citation":"Herrgard, M. J., Swainston, N., Dobson, P., Dunn, W. B., Arga, K. Y., Arvas, M., Bluthgen, N., Borger, S., Costenoble, R., Heinemann, M., Hucka, M., Le Novere, N., Li, P., Liebermeister, W., Mo, M. L., Oliveira, A. P., Petranovic, D., Pettifer, S., Simeonidis, E., Smallbone, K., Spasic, I., Weichart, D., Brent, R., Broomhead, D. S., Westerhoff, H. V., Kirdar, B., Penttila, M., Klipp, E., Palsson, B. O., Sauer, U., Oliver, S. G., Mendes, P., Nielsen, J., Kell, D. B. (2008). \"A consensus yeast metabolic network reconstruction obtained from a community approach to systems biology.\" Nat Biotechnol 26:1155-1160."}],"proteins":[{"created_at":"2011-05-24T20:49:32.000Z","updated_at":"2011-07-22T17:54:36.000Z","name":"Purine nucleoside phosphorylase","uniprot_id":"Q05788","uniprot_name":"PNPH_YEAST","enzyme":true,"transporter":false,"gene_name":"PNP1","num_residues":311,"molecular_weight":"33754.60156","theoretical_pi":"7.31","general_function":"Involved in purine-nucleoside phosphorylase activity","specific_function":"Cleavage of guanosine or inosine to respective bases and sugar-1-phosphate molecules","reactions":[{"id":1447,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1915,"direction":"\u003c\u003e","locations":"mitochondrion;cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1916,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1917,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1918,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1919,"direction":"\u003c\u003e","locations":"mitochondrion;cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1920,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":1921,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":2012,"direction":"\u003c\u003e","locations":"cytoplasm","altext":null,"export":true,"pw_reaction_id":null,"source":null},{"id":2349,"direction":"\u003e","locations":null,"altext":"Purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate.","export":false,"pw_reaction_id":null,"source":null}],"signal_regions":"None","transmembrane_regions":"None","pdb_id":null,"cellular_location":null,"genbank_gene_id":"AY557950","genbank_protein_id":"45269792","gene_card_id":"PNP1","chromosome_location":"chromosome 12","locus":"YLR209C","synonyms":["PNP","Inosine phosphorylase"],"enzyme_classes":["2.4.2.1"],"go_classes":[{"category":"Component","description":" Not Available"},{"category":"Function","description":" transferase activity, transferring pentosyl groups"},{"category":"Function","description":" purine-nucleoside phosphorylase activity"},{"category":"Function","description":" catalytic activity"},{"category":"Function","description":" transferase activity"},{"category":"Function","description":" transferase activity, transferring glycosyl groups"},{"category":"Process","description":" nucleobase, nucleoside, nucleotide and nucleic acid metabolic process"},{"category":"Process","description":" nucleobase, nucleoside and nucleotide metabolic process"},{"category":"Process","description":" nucleoside metabolic process"},{"category":"Process","description":" metabolic process"},{"category":"Process","description":" nitrogen compound metabolic process"},{"category":"Process","description":" cellular nitrogen compound metabolic process"}],"pfams":[{"name":"PNP_UDP_1","identifier":"PF01048"}],"pathways":[{"name":"Purine metabolism","kegg_map_id":"00230"},{"name":"Pyrimidine metabolism","kegg_map_id":"00240"},{"name":"Nicotinate and nicotinamide metabolism","kegg_map_id":"00760"}],"gene_sequence":"ATGAGTGATATCTTGAACGTAAGTCAACAACGTGAAGCAATTACCAAGGCCGCTGCGTATATTTCTGCTATTTTAGAACCACATTTCAAAAATACAACAAATTTCGAGCCTCCGAGAACTTTGATTATATGTGGTTCAGGGCTTGGTGGAATATCTACCAAGCTGTCTAGAGACAATCCACCCCCGGTAACAGTCCCATACCAAGACATCCCAGGATTCAAGAAAAGTACGGTTCCAGGTCATTCCGGTACACTAATGTTCGGATCTATGAATGGTTCACCAGTAGTATTAATGAATGGTCGTCTTCATGGATATGAAGGCAACACATTGTTTGAGACTACTTTTCCTATTAGAGTGCTTAACCACATGGGTCATGTTCGTAATTTAATTGTCACTAATGCCGCTGGTGGTATAAACGCGAAATATCAAGCCTGCGATTTGATGTGCATTTATGATCATTTAAATATCCCTGGCCTTGCTGGCCAGCACCCATTGAGAGGTCCTAACTTGGATGAAGATGGACCTCGTTTTTTAGCCTTGAGTGATGCATATGATCTGGAGTTGAGGAAGCTTTTATTTAAGAAATGGAAAGAGCTCAAGATTCAAAGGCCACTGCATGAAGGTACTTATACTTTTGTATCTGGACCCACTTTCGAAACAAGAGCAGAATCCAAAATGATAAGGATGTTGGGAGGAGATGCTGTCGGAATGAGTACTGTTCCCGAAGTCATTGTTGCAAGACATTGCGGATGGAGGGTTTTGGCCTTAAGTTTGATTACCAATACTTGCGTGGTGGATAGCCCTGCCAGTGCGTTGGACGAATCACCTGTACCCTTAGAAAAAGGCAAAGCGACTCACGCTGAAGTACTGGAGAATGGTAAAATCGCCTCTAATGACGTGCAAAACTTAATTGCTGCCGTAATGGGGGAATTATAA","protein_sequence":"MSDILNVSQQREAITKAAAYISAILEPHFKNTTNFEPPRTLIICGSGLGGISTKLSRDNPPPVTVPYQDIPGFKKSTVPGHSGTLMFGSMNGSPVVLMNGRLHGYEGNTLFETTFPIRVLNHMGHVRNLIVTNAAGGINAKYQACDLMCIYDHLNIPGLAGQHPLRGPNLDEDGPRFLALSDAYDLELRKLLFKKWKELKIQRPLHEGTYTFVSGPTFETRAESKMIRMLGGDAVGMSTVPEVIVARHCGWRVLALSLITNTCVVDSPASALDESPVPLEKGKATHAEVLENGKIASNDVQNLIAAVMGEL"}]}