>TIGR00010 TIGR00010 hydrolase, TatD family; InterPro: IPR015991 Escherichia coli TatD (synonym MttC) has been shown experimentally to be a DNase . On the basis of operon structure, it was originally thought to be involved in the Sec-independent export of protein precursors bearing twin arginine signal peptides by the Tat system . This alternative membrane targeting and translocation system (Mtt), also called twin arginine translocase (Tat) (MttA1A2BC or TatABCD), has been shown to transport fully folded proteins to, or across, the membrane , . However, it was later determined that TatD is not required for this translocation process , . Furthermore, it was noted that no exact correlation exists between the ability of an organism to synthesise a TatD-like protein and whether that organism has a Tat protein transport pathway . Also, with the exception of Escherichia coli , the genetic linkage between TatD and other Tat genes (operon structure) is not maintained. Members of this group may be distantly related to a large 3D fold-based domain superfamily of metalloenzymes . The description of this fold superfamily was based on an analysis of conservation patterns in three dimensions, and the discovery that the same active-site architecture occurs in a large set of enzymes involved primarily in nucleotide metabolism. The group is thought to include urease, dihydroorotase, allantoinase, hydantoinase, AMP-, adenine- and cytosine- deaminases, imidazolonepropionase, aryldialkylphosphatase, chlorohydrolase, formylmethanofuran dehydrogenase, and other enzymes ..

Probab=97.29 E-value=0.0023 Score=40.26 Aligned_cols=243 Identities=16% Similarity=0.107 Sum_probs=121.2 Q ss_pred CCEEEEECCC----H---HHHHHHHHHHCCCCEEEEECCCCCCCCCCHHHHH-HHHHHHHHHCCCCCEEEEEEEEEECCC Q ss_conf 6423750881----7---8898749874188739998389514898989999-999999983868846995013452789 Q gi|254781012|r 9 PDDWHLHLRD----G---EILKTVLRDTAKNFRRALVMPNIDPPIITVDDAC-AYRQRILNALPPEYDFSPLMTIYLTET 80 (349) Q Consensus 9 ~~D~HvH~Re----g---~~~~~t~aa~aGG~TtV~~MPNT~Ppi~t~e~~~-~~~~r~~~~~~~~~~~~~~~~~~lt~~ 80 (349) T Consensus 1 ~~D~HcHL~~~~~~~~~~d~~~v~~ra~~~~v~~~v~------vg~~l~~~~W~~----~~l~~~~~g~~v~~~~G~HP~ 70 (269) T TIGR00010 1 LIDAHCHLDLLDFEELHVDVEEVIERAKAEGVTAVVD------VGTDLEDLNWRA----LELAEKYPGDNVYAAVGVHPL 70 (269) T ss_pred CCCCEECCCCCCCCHHCCCHHHHHHHHHHCCCEEEEE------ECCCCCCCHHHH----HHHHHHCCCCEEEEEECCCCC T ss_conf 9110013562222122035899999999749929997------346700206999----999984799769998226872 Q ss_pred C-------CHHHHHHHH--HCCCEEEHHHCCCCCE-ECCCCCCCHHHHHHHH----HHHHHHCCCCEECCCCCCCCCCCC Q ss_conf 9-------988998744--0687210221045510-0256541006889999----999987398222025755555430 Q gi|254781012|r 81 T-------DPDDVEKGF--TSQLVQAIKLYFAGST-TNSHHGIRNIDRVMPV----LERMETIGMPLCIHGEILNQDIDI 146 (349) Q Consensus 81 ~-------~~~~~~~~~--~~~~~~~~k~~~~~~~-~~~~~~v~~~~~~~~~----le~~~~~~~~i~~H~E~~~~~~~~ 146 (349) T Consensus 71 d~~~~~~~~~~~l~~l~~~~~~~v~AiGE~GLDY~~~~~~~e---~~~Q~e~F~~q~~lA~~~~~P~iiH~R-------- 139 (269) T TIGR00010 71 DVEDDTKEDIKELEKLAKNAHPKVVAIGETGLDYYKADEKKE---RRRQKEVFRAQLQLAEELNLPVIIHAR-------- 139 (269) T ss_pred CHHHHHHHHHHHHHHHHHHHCCCEEEEEEECCCCCCCCCCCC---HHHHHHHHHHHHHHHHHCCCCEEEECC-------- T ss_conf 220420899999999998506954798510440430687521---789999999999999971996899788-------- Q ss_pred HHHHHHHHHHHHHHHHHHHCCCEEEEECC--CHHHHHHHHHHCCCCCEEEECCCCCCCHHHHHCCCCCCCEEECCCCCCH Q ss_conf 01467654578999996206953997057--8589999987057332023023100397886137888311321346999 Q gi|254781012|r 147 FDRELMFIDKILDPLRNKLPNLKIILEHI--TTSNGIDYVNNATNIAGSITVHHLIINRNAIFHDGLNPHYYCLPIPKRE 224 (349) Q Consensus 147 ~~~E~~~~~~~l~~~~a~~~~~~iHi~Hi--ST~~sv~lir~ak~vtaEVTPHHL~lt~~d~~~~~~~~~~k~nPPlR~~ 224 (349) T Consensus 140 -dA~~d~~~iL~~~y-~~~~~~~~g~~HCftg~~E~a---~~~ld~g-d~-~~yiSisG~v-------T-------FknA 198 (269) T TIGR00010 140 -DAEEDVLDILREYY-AEKAPKVGGVLHCFTGDAELA---KKLLDLG-DL-LFYISISGIV-------T-------FKNA 198 (269) T ss_pred -CHHHHHHHHHHHHH-HCCCCCCCEEEEECCCCHHHH---HHHHCCC-CE-EEEEECCCCE-------E-------EECC T ss_conf -45799999999998-427877875798148888999---9996069-87-9999728602-------2-------1062 Q ss_pred HHHHHHHHHHHCCCCEEEEECCCCCCCHHHHHCCCCCCCCCCHHHHHHHHHHHHH--CCCCHHHHHHHHHHCCHHHCCC Q ss_conf 9999999999769941897138886531332154577544543679999999972--0699999999982431788188 Q gi|254781012|r 225 KHRLSLRKAALSGNPRFFLGTDSAPHWDSSKESSCGCAGIYTARNALNCLAQIFE--EENKLENLESFVSINGATWYGI 301 (349) Q Consensus 225 ~dr~aL~~ai~~G~i~d~I~TDHAPH~~eeK~~~~~~~g~~~~~~~~~~~~~~~~--~~~~L~~l~~~~s~npa~~~gl 301 (349) T Consensus 199 ~~l~~~v~~iP~-e~-LL~ETDS-PyLa-----P~P~RGK~N~P~~v~~v~~~iAeik~~~~ee~~~~~t~N~~~lF~~ 269 (269) T TIGR00010 199 KSLREVVKKIPL-ER-LLVETDS-PYLA-----PVPYRGKRNEPAFVRYVVEAIAEIKGIDLEELAQITTKNAKRLFKL 269 (269) T ss_pred HHHHHHHHHCCC-CC-CEEEECC-CCCC-----CCCCCCCCCCCCHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHCC T ss_conf 678999974596-43-2320167-4457-----8898898567405999999999883889999999999999998459

HHsearch alignment for GI: 254781012 and conserved domain: TIGR00010