Nodes:
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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ppk2Polyphosphate kinase Ppk2 (polyphosphoric acid kinase); Uses inorganic polyphosphate (polyP) as a donor to convert GDP to GTP. In addition, modulates nucleotide triphosphate synthesis catalyzed by the nucleoside diphosphate kinase (Ndk) in favor of GTP production over CTP or UTP. Plays an important role in survival of M.tuberculosis in macrophages. (295 aa)    
Predicted Functional Partners:
ppk1
Polyphosphate kinase PPK (polyphosphoric acid kinase) (ATP-polyphosphate phosphotransferase); Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP); Belongs to the polyphosphate kinase 1 (PPK1) family.
 
 
 0.995
Rv3231c
Conserved protein; Rv3231c, (MTCY20B11.06c), len: 169 aa. Conserved protein, similar to Q9KYX9|SCE33.03c hypothetical 17.4 KDA protein from Streptomyces coelicolor (167 aa), FASTA scores: opt: 415, E(): 6.6e-19, (49.1% identity in 171 aa overlap).
     
 0.969
ppx1
Conserved hypothetical protein; Degradation of inorganic polyphosphates (polyP). Releases orthophosphate processively from the ends of the polyP chain. Prefers short-chain length polyphosphates as substrates. Can also hydrolyze ATP and ADP substrates, but lacks GTPase activity. Cannot hydrolyze pppGpp to ppGpp; Belongs to the GppA/Ppx family.
 
  
 0.947
ppx2
Conserved protein; Degradation of inorganic polyphosphates (polyP). Releases orthophosphate processively from the ends of the polyP chain. Prefers long-chain length polyphosphates as substrates (By similarity). Can also hydrolyze ATP and ADP substrates, but lacks GTPase activity. Cannot hydrolyze pppGpp to ppGpp. Belongs to the GppA/Ppx family.
 
  
 0.925
Rv3233c
Rv3233c, (MTCY20B11.08c), len: 196 aa. Possible triacylglycerol synthase (See Daniel et al., 2004), similar to C-terminus of Q9RIU8|SCM11.13c hypothetical 47.1 KDA protein from Streptomyces coelicolor (446 aa), FASTA scores: opt: 308, E(): 1.2e-12, (32.0% identity in 200 aa overlap); and several hypothetical M. tuberculosis proteins e.g. O06343|YY80_MYCTU|Rv3480c|MTCY13E12.33c (497 aa),FASTA scores: opt: 248, E(): 9.8e-09, (27.5% identity in 200 aa overlap); MTCY28_26; MTCY493_29; MTCY31_25; MTCY31_25.
  
  
 0.861
tgs3
Putative triacylglycerol synthase (diacylglycerol acyltransferase) Tgs3; Catalyzes the terminal and only committed step in triacylglycerol synthesis by using diacylglycerol and fatty acyl CoA as substrates. Required for storage lipid synthesis (By similarity). Belongs to the long-chain O-acyltransferase family.
  
  
 0.833
Rv3230c
Hypothetical oxidoreductase; Is likely involved in the aerobic desaturation system responsible for the synthesis of oleic acid from stearoyl-CoA; oleic acid is a precursor of mycobacterial membrane phospholipids and triglycerides. Is the electron transfer partner for the stearoyl-CoA 9- desaturase DesA3. Catalyzes electron transfer reaction between NADPH and the diiron center of DesA3. Cannot use NADH.
     
 0.766
ppnK
Inorganic polyphosphate/ATP-NAD kinase PpnK (poly(P)/ATP NAD kinase); Involved in the regulation of the intracellular balance of NAD and NADP, and is a key enzyme in the biosynthesis of NADP. Catalyzes specifically the phosphorylation on 2'-hydroxyl of the adenosine moiety of NAD to yield NADP. It can use ATP and other nucleoside triphosphates as well as inorganic polyphosphate (poly(P)) as a source of phosphorus.
   
  
 0.730
ppgK
Polyphosphate glucokinase PpgK (polyphosphate-glucose phosphotransferase); Catalyzes the phosphorylation of glucose using polyphosphate or ATP as the phosphoryl donor. Polyphosphate, rather than ATP, seems to be the major phosphate donor for the enzyme in M.tuberculosis (By similarity); Belongs to the ROK (NagC/XylR) family.
 
   
 0.582
phoY1
Probable phosphate-transport system transcriptional regulatory protein PhoU homolog 1 PhoY1; Plays a role in the regulation of phosphate uptake. In this role, it may bind, possibly as a chaperone, to PhoR, PhoP or a PhoR- PhoP complex to promote dephosphorylation of phospho-PhoP, or inhibit formation of the PhoR-PhoP transitory complex (By similarity).
  
  
 0.581
Your Current Organism:
Mycobacterium tuberculosis H37Rv
NCBI taxonomy Id: 83332
Other names: M. tuberculosis H37Rv, Mycobacterium sp. H37Rv, Mycobacterium tuberculosis str. H37Rv, Mycobacterium tuberculosis strain H37Rv
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