Rv2121c

Tuberculist information
Gene namehisG
Protein functionATP phosphoribosyltransferase HisG
Functional category(tuberculist)intermediary metabolism and respiration
Gene location(kb)2379.81
Molecular mass(da)30480.8
External sites TB Database TubercuList WebTB
Protein sequence
Number of amino acids : 284
	  		  	1    MLRVAVPNKGALSEPATEILAEAGYRRRTDSKDLTVIDPVNNVEFFFLRPKDIAIYVGSG   60
			  	61   ELDFGITGRDLVCDSGAQVRERLALGFGSSSFRYAAPAGRNWTTADLAGMRIATAYPNLV  120
			  	121  RKDLATKGIEATVIRLDGAVEISVQLGVADAIADVVGSGRTLSQHDLVAFGEPLCDSEAV  180
			  	181  LIERAGTDGQDQTEARDQLVARVQGVVFGQQYLMLDYDCPRSALKKATAITPGLESPTIA  240
			  	241  PLADPDWVAIRALVPRRDVNGIMDELAAIGAKAILASDIRFCRF

Known structures in the PDB
PDB ID1NH7
Total residue count304
Number of chains1
MethodX-RAY
Resolution2.7
PDB ID1NH8
Total residue count304
Number of chains1
MethodX-RAY
Resolution1.8
1 29 57 85 113 141 169 197 225 253 281 Range: 48 to 207  |  Coverage: 55% HisG Range: 208 to 282  |  Coverage: 26% HisG_C Range: 1 to 284  |  Coverage: 99% 1 Range: 1 to 284  |  Coverage: 99% 2 Range: 211 to 284  |  Coverage: 25% 1
Number of amino acids : 284
Domains assigned based on sequence. Mtb Structural proteome models CHOPIN models
Profile-based domain assignment
Structural/Functional domain familyPfam acc.no./SCOP IDDomain Region
HisGPF0163448-207
HisG_CPF08029208-282
Mtb Structural Proteome models
Model Number1
Model nameRv2121c_1nh8_A
Template1NH8    APDBCREDO
Template coverage1_284
Template Identity(%)100.0
Model coverage(%)99.6
Normalized DOPE score-1.032

Model Number2
Model nameRv2121c
Template1NH8    APDBCREDO
Template coverage1_284
Template Identity(%)99.6
Model coverage(%)99.6
Normalized DOPE score-0.682

Structure Models from Chopin
Model Number1
Profiled.58.5.3
Click for model details
zscore22.97
Residue begin211
Residue end284
Binding pockets
STRING
Cytoscape Web will replace the contents of this div with protein-protein interaction network.
Protein interacting with Rv2121cGene nameConfidence Score
Rv1605hisF0.999
Rv1599hisD0.999
Rv2122chisE0.999
Rv1603hisA0.998
Rv1600hisC10.997
Rv1602hisH0.996
Rv1601hisB0.994
Rv1606hisI0.992
Rv3772hisC20.965
Rv1017cprsA0.96
Rv1017cprsA0.96
Rv2580chisS0.951
Rv2580chisS0.951
Rv3838cpheA0.946
Rv3838cpheA0.946
Rv1612trpB0.938
Rv1609trpE0.934
Rv1609trpE0.934
Rv1380pyrB0.93
Rv1380pyrB0.93
Rv2614cthrS0.923
Rv2614cthrS0.923
Rv2614cthrS0.923
Rv1699pyrG0.922
Rv1699pyrG0.922
Rv1611trpC0.914
Rv2192ctrpD0.912
Rv2192ctrpD0.912
Rv2540caroF0.901
Potential ligand/drug binding sites
No binding sites identified
Similarity to known drug target from sensitive sequence analysis
No drug targets
List of small molecules tested from TIBLE
  View results in TIBLE page
NameAffinityAssay descriptionDOI
CHEMBL1466Ki = 60 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL451611Inhibition = 71 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL451611IC50 = 5.5 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459306IC50 = 6 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459306Inhibition = 71 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459306Inhibition = 35 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 1 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459306Ki = 2 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459510IC50 = 10 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459510Inhibition = 50 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459933IC50 = 4 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459933Inhibition = 76 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459933Ki = 2 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL459933Inhibition = 40 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 1 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL461201Inhibition = 20 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL461642Inhibition = 48 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL491074Inhibition = 15 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL493482Inhibition = 45 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL493484IC50 = 13.9 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL493484Inhibition = 39 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL518011IC50 = 10 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL518011Inhibition = 50 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL523351IC50 = 11.9 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL523351Inhibition = 46 %Inhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production at 10 uM by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
CHEMBL75967Ki = 50 uMInhibition of Mycobacterium tuberculosis HisG assessed as phosphoribosyl ATP production by spectrophotometryhttp://www.ncbi.nlm.nih.gov/pubmed/18778048
Off-target activity - ligand based from TIBLE
  View results in TIBLE page
Predicted off-targetMethodSummaryFull results
None Noneno_predLink
Small molecules involved in protein-protein complex from TIMBAL .Proteins similar to Mtb based on sequence analysis.
Data not available
STITCH interactions  
Chemical NameConfidence scoreMolecular Weight
adenosine monophosphatePubChem0.996347.221
L-histidinePubChem0.981155.155
phosphoribosyl-ATPPubChem0.977719.276
magnesiumPubChem0.96824.305
phosphoribosylpyrophosphatePubChem0.958390.07
hydron sulfatePubChem0.951196.157
sulfatePubChem0.95196.0626
adenosine triphosphatePubChem0.919507.181
pyrophosphatePubChem0.916177.975
phosphoribosyl-AMPPubChem0.9559.316
hydroxyl radicalsPubChem0.917.0073
adenosine diphosphatePubChem0.9427.201
RIBOSE-15-BISPHOSPHATEPubChem0.9310.09
deuteriumPubChem0.92.01588
protiumPubChem0.92.01576
5-phosphoribosyl-ATPPubChem0.9714.236
ribose 1,5-bisphosphatePubChem0.9310.09
H(+)PubChem0.92.01588
D-ribose 5-phosphatePubChem0.9230.11
N-(5-phospho-D-ribosyl)-AMPPubChem0.9559.316
imidazolePubChem0.7168.0773