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Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
white nodes:
second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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purAAdenylosuccinate synthetase; 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. (340 aa)    
Predicted Functional Partners:
purB
Adenylosuccinate lyase; Function Code:4.01 - Nucleotide Metabolism, Purine metabolism; similar to, pir:LN:A64416 AC:A64416, p()=1.2E-149, pid=59%.
 
 0.999
guaB
Inosine-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.
 
 
 0.995
purC
Phosphoribosylaminoimidazolesuccinocarboxamide synthase; Function Code:4.01 - Nucleotide Metabolism, Purine metabolism; similar to, pir:LN:G64498 AC:G64498, p()=1.6E-65, pid=46%; Belongs to the SAICAR synthetase family.
  
 
 0.981
purL
Phosphoribosylformylglycinamidine 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 [...]
  
  
 0.974
purE
Phosphoribosylaminoimidazole carboxylase; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR).
 
 
 0.971
MTH_1544
Ribokinase; Catalyzes the phosphorylation of a wide range of nucleosides to yield nucleoside monophosphates, using ATP, ITP or GTP as phosphate donor.
  
 0.967
purQ
Phosphoribosylformylglycinamidine 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 [...]
  
  
 0.956
pyrB
Aspartate carbamoyltransferase; Function Code:4.02 - Nucleotide Metabolism, Pyrimidine metabolism; similar to, pir:LN:D64497 AC:D64497, p()=3.7E-91, pid=54%.
  
 
 0.955
MTH_1424
Conserved protein; 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.
 
 0.955
argG
Argininosuccinate synthase; Function Code:5.01 - L-Amino Acid Metabolism, Alanine--aspartate and glutamate metabolism; similar to, sp:LN:ASSY_METJA AC:Q60174, p()=2.4E-135, pid=62%; Belongs to the argininosuccinate synthase family. Type 1 subfamily.
  
 
 0.954
Your Current Organism:
Methanothermobacter thermautotrophicus
NCBI taxonomy Id: 187420
Other names: M. thermautotrophicus str. Delta H, Methanobacterium thermoautotrophicum str. Delta H, Methanobacterium thermoautotrophicum str. deltaH, Methanothermobacter thermautotrophicus str. Delta H, Methanothermobacter thermautotrophicus str. deltaH
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