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MMP0390 MMP0390 ndk ndk MMP0214 MMP0214 purD purD surE surE purF purF aspC aspC MMP0388 MMP0388 guaB guaB MMP0387 MMP0387 purA purA
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MMP0390Conserved hypothetical protein; Phosphatase that hydrolyzes non-canonical purine nucleotides such as XTP and ITP to their respective diphosphate derivatives. Probably excludes non-canonical purines from DNA/RNA precursor pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. (219 aa)    
Predicted Functional Partners:
ndk
Nucleoside-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.
     
  0.900
MMP0214
Nucleotide triphosphatase; 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.
      
 0.864
purD
Phosphoribosylamine--glycine ligase; Citation: Kanai S, Toh H. (1999) J Mol Evol 48:482-92.
  
  
 0.774
surE
Survival protein SurE; Nucleotidase that shows phosphatase activity on nucleoside 5'-monophosphates; Belongs to the SurE nucleotidase family.
  
  
 0.691
purF
Amidophosphoribosyltransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine.
     
 0.657
aspC
Aspartate aminotransferase; Citation: Tanaka T, Yamamoto S, Moriya T, Taniguchi M, Hayashi H, Kagamiyama H, Oi S. (1994) J Biochem (Tokyo) 115:309-17.
  
    0.654
MMP0388
Geranylgeranyl bacterial chlorophyll reductase related; Is involved in the reduction of 2,3- digeranylgeranylglycerophospholipids (unsaturated archaeols) into 2,3- diphytanylglycerophospholipids (saturated archaeols) in the biosynthesis of archaeal membrane lipids. Catalyzes the formation of archaetidic acid (2,3-di-O-phytanyl-sn-glyceryl phosphate) from 2,3-di- O-geranylgeranylglyceryl phosphate (DGGGP) via the hydrogenation of each double bond of the isoprenoid chains.
  
    0.648
guaB
IMP 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.
      
 0.646
MMP0387
Microsomal signal peptidase 21 KD subunit; Citation: J. Biol. Chem. 265:9512.
  
    0.642
purA
Adenylosuccinate synthase; Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family.
      
 0.640
Your Current Organism:
Methanococcus maripaludis S2
NCBI taxonomy Id: 267377
Other names: M. maripaludis S2, Methanococcus maripaludis LL, Methanococcus maripaludis str. S2, Methanococcus maripaludis strain S2
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