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ribBA ribBA nusB nusB coaBC coaBC gmk gmk SRU_0131 SRU_0131 SRU_0132 SRU_0132 SRU_0300 SRU_0300 purB purB folA folA thyA thyA purQ purQ udk udk coaX coaX SRU_0603 SRU_0603 add add SRU_0692 SRU_0692 folB folB SRU_0762 SRU_0762 SRU_0776 SRU_0776 sun sun purF purF SRU_0903 SRU_0903 folK folK dck dck carA carA carB carB purS purS guaA guaA ribE ribE ndk ndk pyn pyn rdgB rdgB upp upp def def pyrE pyrE pyrB pyrB pyrR pyrR panC panC panD panD purM purM guaB guaB ribA ribA purC purC purK purK purE purE purN purN purH purH SRU_1675 SRU_1675 hpt hpt tilS tilS pyrF pyrF ribF ribF folD folD surE surE panB panB purD purD adk adk folP folP dut dut guaA-2 guaA-2 coaD coaD rlmN rlmN deoD deoD fmt fmt pyrC pyrC ribD ribD ribE-2 ribE-2 pyrD pyrD SRU_2420 SRU_2420 tdk tdk purL purL pyrR-2 pyrR-2 tmk tmk SRU_2783 SRU_2783
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proteins of unknown 3D structure
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ribBA3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; In the N-terminal section; belongs to the DHBP synthase family. (415 aa)
nusBTranscription antitermination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. (160 aa)
coaBCPhosphopantothenoylcysteine decarboxylase/phosphopantothenate--cysteine ligase; Catalyzes two steps in the biosynthesis of coenzyme A. In the first step cysteine is conjugated to 4'-phosphopantothenate to form 4- phosphopantothenoylcysteine, in the latter compound is decarboxylated to form 4'-phosphopantotheine; In the C-terminal section; belongs to the PPC synthetase family. (413 aa)
gmkGuanylate kinase; Essential for recycling GMP and indirectly, cGMP. (188 aa)
SRU_0131Ribonucleoside-diphosphate reductase, beta subunit; Identified by match to protein family HMM PF00268. (324 aa)
SRU_0132Ribonucleoside-diphosphate reductase, alpha chain; Identified by match to protein family HMM PF02867; match to protein family HMM TIGR02510. (932 aa)
SRU_0300Ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; Catalyzes the reduction of ribonucleotides to deoxyribonucleotides. May function to provide a pool of deoxyribonucleotide precursors for DNA repair during oxygen limitation and/or for immediate growth after restoration of oxygen. (894 aa)
purBAdenylosuccinate lyase; Identified by match to protein family HMM PF00206; match to protein family HMM TIGR00928; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. (470 aa)
folADihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. (186 aa)
thyAThymidylate synthase; Catalyzes the reductive methylation of 2'-deoxyuridine-5'- monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor and reductant in the reaction, yielding dihydrofolate (DHF) as a by- product. This enzymatic reaction provides an intracellular de novo source of dTMP, an essential precursor for DNA biosynthesis. (355 aa)
purQPhosphoribosylformylglycinamidine synthase I; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and PurL and is thought to assist i [...] (235 aa)
udkUridine kinase; Identified by match to protein family HMM PF00485; match to protein family HMM TIGR00235. (223 aa)
coaXPutative transcriptional regulator; Catalyzes the phosphorylation of pantothenate (Pan), the first step in CoA biosynthesis; Belongs to the type III pantothenate kinase family. (256 aa)
SRU_0603Formyltransferase, putative; Identified by match to protein family HMM PF00551; match to protein family HMM PF02911. (298 aa)
addAdenosine deaminase; Identified by match to protein family HMM PF00962; match to protein family HMM TIGR01430. (396 aa)
SRU_0692Purine nucleoside phosphorylase I, inosine and guanosine-specific; The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta- (deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate. (285 aa)
folBDihydroneopterin aldolase; Catalyzes the conversion of 7,8-dihydroneopterin to 6- hydroxymethyl-7,8-dihydropterin. (142 aa)
SRU_0762Possible Glutamine amidotransferase; Identified by match to protein family HMM PF00117. (284 aa)
SRU_0776Orotate phosphoribosyltransferase, putative; Identified by match to protein family HMM PF00156. (167 aa)
sunRibosomal RNA small subunit methyltransferase B; Specifically methylates the cytosine at position 967 (m5C967) of 16S rRNA. (427 aa)
purFAmidophosphoribosyltransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine. (566 aa)
SRU_0903NADP oxidoreductase coenzyme F420-dependent superfamily; Identified by match to protein family HMM PF03446; match to protein family HMM PF03807. (306 aa)
folK2-amino-4-hydroxy-6- hydroxymethyldihydropteridine pyrophosphokinase; Identified by match to protein family HMM PF01288; match to protein family HMM TIGR01498. (184 aa)
dckDeoxyguanosine kinase/deoxyadenosine kinase subunit; Identified by match to protein family HMM PF01712. (261 aa)
carACarbamoyl-phosphate synthase, small subunit; Identified by match to protein family HMM PF00117; match to protein family HMM PF00988; match to protein family HMM TIGR01368; Belongs to the CarA family. (386 aa)
carBCarbamoyl-phosphate synthase, large subunit; Identified by match to protein family HMM PF00289; match to protein family HMM PF02786; match to protein family HMM PF02787; match to protein family HMM TIGR01369; Belongs to the CarB family. (942 aa)
purSPhosphoribosylformylglycinamidine (FGAM) synthase; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and PurL and is thought to ass [...] (92 aa)
guaAGMP synthase; Identified by match to protein family HMM PF00117; match to protein family HMM PF07685. (245 aa)
ribE6,7-dimethyl-8-ribityllumazine synthase; Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2- butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. (156 aa)
ndkNucleoside diphosphate kinase; Major role in the synthesis of nucleoside triphosphates other than ATP. The ATP gamma phosphate is transferred to the NDP beta phosphate via a ping-pong mechanism, using a phosphorylated active-site intermediate; Belongs to the NDK family. (142 aa)
pynPyrimidine-nucleoside phosphorylase; Identified by match to protein family HMM PF00591; match to protein family HMM PF02885; match to protein family HMM PF07831; match to protein family HMM TIGR02644. (489 aa)
rdgBNon-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. (203 aa)
uppUracil phosphoribosyltransferase; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate. (210 aa)
defPeptide deformylase; Removes the formyl group from the N-terminal Met of newly synthesized proteins. Requires at least a dipeptide for an efficient rate of reaction. N-terminal L-methionine is a prerequisite for activity but the enzyme has broad specificity at other positions. (195 aa)
pyrEOrotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). (225 aa)
pyrBAspartate carbamoyltransferase; Identified by match to protein family HMM PF00185; match to protein family HMM PF02729; match to protein family HMM TIGR00670; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. (322 aa)
pyrRPhosphoribosyl transferase domain, putative; Also displays a weak uracil phosphoribosyltransferase activity which is not physiologically significant. (204 aa)
panCPantoate--beta-alanine ligase; Catalyzes the condensation of pantoate with beta-alanine in an ATP-dependent reaction via a pantoyl-adenylate intermediate. Belongs to the pantothenate synthetase family. (295 aa)
panDAspartate 1-decarboxylase; Catalyzes the pyruvoyl-dependent decarboxylation of aspartate to produce beta-alanine. (146 aa)
purMPhosphoribosylformylglycinamidine cyclo-ligase; Identified by match to protein family HMM PF00586; match to protein family HMM PF02769; match to protein family HMM TIGR00878. (337 aa)
guaBInosine-5'-monophosphate dehydrogenase; Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth. Belongs to the IMPDH/GMPR family. (508 aa)
ribARiboflavin-specific deaminase/GTP cyclohydrolase II; Catalyzes the conversion of GTP to 2,5-diamino-6- ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate; Belongs to the GTP cyclohydrolase II family. (455 aa)
purCPhosphoribosylaminoimidazole-succinocarboxamide synthase; Identified by match to protein family HMM PF01259; Belongs to the SAICAR synthetase family. (324 aa)
purKPhosphoribosylaminoimidazole carboxylase, ATPase subunit; Catalyzes the ATP-dependent conversion of 5-aminoimidazole ribonucleotide (AIR) and HCO(3)(-) to N5-carboxyaminoimidazole ribonucleotide (N5-CAIR). (379 aa)
purEPhosphoribosylaminoimidazole carboxylase, catalytic subunit; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (170 aa)
purNPhosphoribosylglycinamide formyltransferase; Catalyzes the transfer of a formyl group from 10- formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and tetrahydrofolate. (217 aa)
purHBifunctional purine biosynthesis protein PurH; Identified by match to protein family HMM PF01808; match to protein family HMM PF02142; match to protein family HMM TIGR00355. (528 aa)
SRU_1675Glycosyl transferase, group 2 family protein; Identified by match to protein family HMM PF00535. (391 aa)
hptHypoxanthine phosphoribosyltransferase; Identified by match to protein family HMM PF00156; match to protein family HMM TIGR01203; Belongs to the purine/pyrimidine phosphoribosyltransferase family. (199 aa)
tilStRNA(Ile)-lysidine synthetase; Ligates lysine onto the cytidine present at position 34 of the AUA codon-specific tRNA(Ile) that contains the anticodon CAU, in an ATP-dependent manner. Cytidine is converted to lysidine, thus changing the amino acid specificity of the tRNA from methionine to isoleucine. Belongs to the tRNA(Ile)-lysidine synthase family. (468 aa)
pyrFOrotidine 5'-phosphate decarboxylase; Identified by match to protein family HMM PF00215; match to protein family HMM TIGR02127; Belongs to the OMP decarboxylase family. Type 2 subfamily. (331 aa)
ribFRiboflavin biosynthesis protein RibF; Identified by match to protein family HMM PF01687; match to protein family HMM PF06574; match to protein family HMM TIGR00083; Belongs to the ribF family. (311 aa)
folDFolD bifunctional protein; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (297 aa)
surEAcid phosphatase SurE; Nucleotidase that shows phosphatase activity on nucleoside 5'-monophosphates; Belongs to the SurE nucleotidase family. (272 aa)
panB3-methyl-2-oxobutanoate hydroxymethyltransferase; Catalyzes the reversible reaction in which hydroxymethyl group from 5,10-methylenetetrahydrofolate is transferred onto alpha- ketoisovalerate to form ketopantoate; Belongs to the PanB family. (265 aa)
purDPhosphoribosylamine--glycine ligase; Identified by match to protein family HMM PF01071; match to protein family HMM PF02842; match to protein family HMM PF02843; match to protein family HMM PF02844; match to protein family HMM TIGR00877; Belongs to the GARS family. (430 aa)
adkAdenylate kinase; Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. Plays an important role in cellular energy homeostasis and in adenine nucleotide metabolism; Belongs to the adenylate kinase family. (212 aa)
folPDihydropteroate synthase; Catalyzes the condensation of para-aminobenzoate (pABA) with 6-hydroxymethyl-7,8-dihydropterin diphosphate (DHPt-PP) to form 7,8- dihydropteroate (H2Pte), the immediate precursor of folate derivatives. (287 aa)
dutDeoxyuridine 5`-triphosphate nucleotidohydrolase; This enzyme is involved in nucleotide metabolism: it produces dUMP, the immediate precursor of thymidine nucleotides and it decreases the intracellular concentration of dUTP so that uracil cannot be incorporated into DNA; Belongs to the dUTPase family. (150 aa)
guaA-2Glutamine-hydrolyzing GMP synthase; Catalyzes the synthesis of GMP from XMP. (526 aa)
coaDPantetheine-phosphate adenylyltransferase; Reversibly transfers an adenylyl group from ATP to 4'- phosphopantetheine, yielding dephospho-CoA (dPCoA) and pyrophosphate. Belongs to the bacterial CoaD family. (164 aa)
rlmNRadical SAM enzyme, Cfr family; Specifically methylates position 2 of adenine 2503 in 23S rRNA and position 2 of adenine 37 in tRNAs; Belongs to the radical SAM superfamily. RlmN family. (369 aa)
deoDPurine nucleoside phosphorylase; The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta- (deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate. (262 aa)
fmtmethionyl-tRNA formyltransferase; Attaches a formyl group to the free amino group of methionyl- tRNA(fMet). The formyl group appears to play a dual role in the initiator identity of N-formylmethionyl-tRNA by promoting its recognition by IF2 and preventing the misappropriation of this tRNA by the elongation apparatus; Belongs to the Fmt family. (307 aa)
pyrCAmidohydrolase family, putative; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. (430 aa)
ribDRiboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. (373 aa)
ribE-2Riboflavin synthase, alpha subunit; Identified by match to protein family HMM PF00677; match to protein family HMM TIGR00187. (217 aa)
pyrDDihydroorotate oxidase; Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 2 subfamily. (366 aa)
SRU_2420Dihydrofolate synthetase; Identified by match to protein family HMM PF02875; match to protein family HMM TIGR01499; Belongs to the folylpolyglutamate synthase family. (435 aa)
tdkThymidine kinase; Identified by match to protein family HMM PF00265. (227 aa)
purLPhosphoribosylformylglycinamidine synthase II; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and PurL and is thought to assist [...] (754 aa)
pyrR-2Pyrimidine operon regulatory protein; Also displays a weak uracil phosphoribosyltransferase activity which is not physiologically significant. (208 aa)
tmkThymidylate kinase; Phosphorylation of dTMP to form dTDP in both de novo and salvage pathways of dTTP synthesis; Belongs to the thymidylate kinase family. (221 aa)
SRU_2783HAD superfamily (subfamily IG) hydrolase, 5'-nucleotidase, putative; Identified by match to protein family HMM PF05761; match to protein family HMM TIGR02244. (497 aa)
Your Current Organism:
Salinibacter ruber
NCBI taxonomy Id: 309807
Other names: S. ruber DSM 13855, Salinibacter ruber DSM 13855, Salinibacter ruber str. DSM 13855, Salinibacter ruber strain DSM 13855
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