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mtrB mtrB rtpA rtpA trpE trpE pabA pabA trpP trpP ycbK ycbK folEA folEA hepS hepS trpS trpS hepT hepT yflH yflH
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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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Known Interactions
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experimentally determined
Predicted Interactions
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gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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mtrBTryptophan operon RNA-binding attenuation protein (TRAP); Required for transcription attenuation control in the trp operon. This trans-acting factor binds to trinucleotide repeats (GAG or UAG) located in the trp leader transcript causing transcription termination. Binds the leader RNA only in presence of L-tryptophan. Belongs to the MtrB family. (75 aa)    
Predicted Functional Partners:
rtpA
anti-TRAP regulator; By forming a complex with tryptophan-activated TRAP, and masking its RNA binding site, it inhibits TRAP's RNA binding ability, thereby abolishing TRAP regulation of gene expression, leading to antitermination and increased trp operon expression. AT acts by competing with messenger RNA for the RNA binding domain of TRAP.
      
 0.986
trpE
Anthranilate synthase; Part of a heterotetrameric complex that catalyzes the two- step biosynthesis of anthranilate, an intermediate in the biosynthesis of L-tryptophan. In the first step, the glutamine-binding beta subunit (TrpG) of anthranilate synthase (AS) provides the glutamine amidotransferase activity which generates ammonia as a substrate that, along with chorismate, is used in the second step, catalyzed by the large alpha subunit of AS (TrpE) to produce anthranilate. In the absence of TrpG, TrpE can synthesize anthranilate directly from chorismate and high concentrations of am [...]
     
 0.963
pabA
4-amino-4-deoxychorismate synthase; Part of a heterodimeric complex that catalyzes the two-step biosynthesis of 4-amino-4-deoxychorismate (ADC), a precursor of p- aminobenzoate (PABA) and tetrahydrofolate. In the first step, a glutamine amidotransferase (PabA) generates ammonia as a substrate that, along with chorismate, is used in the second step, catalyzed by aminodeoxychorismate synthase (PabB) to produce ADC. PabA converts glutamine into glutamate only in the presence of stoichiometric amounts of PabB. Also involved in the biosynthesis of anthranilate.
      
 0.919
trpP
Tryptophan transporter; Probably involved in tryptophan uptake; Belongs to the vitamin uptake transporter (VUT/ECF) (TC 2.A.88) family. TrpP subfamily.
  
  
 0.909
ycbK
Putative efflux transporter; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative transporter.
      
 0.888
folEA
GTP cyclohydrolase I; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the GTP cyclohydrolase I family.
  
    0.799
hepS
Heptaprenyl diphosphate synthase component I; Supplies heptaprenyl diphosphate, the precursor for the side chain of the isoprenoid quinone menaquinone-7 (MQ-7).
 
    0.726
trpS
tryptophanyl-tRNA synthetase; Catalyzes the attachment of tryptophan to tRNA(Trp). Belongs to the class-I aminoacyl-tRNA synthetase family.
   
  
 0.692
hepT
Heptaprenyl diphosphate synthase component II; Supplies heptaprenyl diphosphate, the precursor for the side chain of the isoprenoid quinone menaquinone-7 (MQ-7). Belongs to the FPP/GGPP synthase family.
 
    0.673
yflH
Conserved hypothetical protein; Evidence 4: Homologs of previously reported genes of unknown function; PubMedId: 1070366, 1266368.
  
    0.631
Your Current Organism:
Bacillus subtilis 168
NCBI taxonomy Id: 224308
Other names: B. subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis 168, Bacillus subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis str. BGSC 1A700
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