>cd04662 Nudix_Hydrolase_5 Members of the Nudix hydrolase superfamily catalyze the hydrolysis of NUcleoside DIphosphates linked to other moieties, X. Enzymes belonging to this superfamily require a divalent cation, such as Mg2+ or Mn2+, for their activity and contain a highly conserved 23-residue nudix motif (GX5EX7REUXEEXGU, where U = I, L or V), which functions as a metal binding and catalytic site. Substrates of nudix hydrolases include intact and oxidatively damaged nucleoside triphosphates, dinucleoside polyphosphates, nucleotide-sugars and dinucleotide enzymes. These substrates are metabolites or cell signaling molecules that require regulation during different stages of the cell cycle or during periods of stress. In general, the role of the nudix hydrolase is to sanitize the nucleotide pools and to maintain cell viability, thereby serving as surveillance & "house-cleaning" enzymes. Substrate specificity is used to define families within the superfamily. Differences in substrate s

Probab=99.40 E-value=1.5e-12 Score=93.53 Aligned_cols=109 Identities=24% Similarity=0.233 Sum_probs=65.1 Q ss_pred EEEEEEECC---CCCEEEEEECCCCCCCC----CCCCCCCCCCCCCCCCHHHHHHHHHHHHHCCCCCCCCCCCCCCEEEC Q ss_conf 069999848---98399999268877666----87220121150788888899999999983755222220136612411 Q gi|254780557|r 5 GVGILILNQ---DDLVWVGRRCFHDNNKH----LSLWQMPQGGINPQEDPLDAAYRELYEETGIKSISLLGQGDSYIQYD 77 (160) Q Consensus 5 ~V~vvi~n~---~~~iLl~kR~~~~~~~~----~g~W~~PgG~ve~gEt~~~Aa~REl~EEtGi~~~~~~~~~~~~~~~~ 77 (160) T Consensus 2 SAG~ll~R~~~g~~EVLLvHpGG---PfW~rkd~g~WsiPKG~~e~gE~p~~aA~RE~~EEtG~~~~G~~~~L-g~~--- 74 (126) T cd04662 2 SAGILLYRFRDGRIEVLLVHPGG---PFWANKDLGAWSIPKGEYTEGEDPLLAAKREFSEETGFCVDGPFIDL-GSL--- 74 (126) T ss_pred CCEEEEEEECCCCEEEEEEECCC---CCCCCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHCCCCCCCCCCCC-CCE--- T ss_conf 74088899649976999980599---86467778861687877899879899999999976189989861046-010--- Q ss_pred CCCCCCCCCCCCCCCCEEEEEEECCCCCCEECCC---------CCCCCCCCCCEEEECCH Q ss_conf 6322200001123443379999804754301057---------88888886003760378 Q gi|254780557|r 78 FPAHCIQENGYVGQMQKWFAFRFQGLTSEICVDR---------TAYGYESEFDAWTWVSL 128 (160) Q Consensus 78 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~i~~~~---------~~~~~~~E~~~~~Wv~~ 128 (160) T Consensus 75 --------rq~gGK~V~~WA~e~d~d~~~~~sntf~~EWPp~SG~~~~fPEvDra~Wf~l 126 (126) T cd04662 75 --------KQSGGKVVHAWAVEADLDITDIKSNTFEMEWPKGSGKMRKFPEVDRAGWFDI 126 (126) T ss_pred --------ECCCCCEEEEEEEEECCCHHHCCCCCEEEECCCCCCCCCCCCCCCEECCCCC T ss_conf --------5479989999988414795343346158766999884431674100023359

HHsearch alignment for GI: 254780557 and conserved domain: cd04662