Tuberculist information
Gene namedfrA
Protein functionDihydrofolate reductase DfrA (DHFR) (tetrahydrofolate dehydrogenase)
Functional category(tuberculist)intermediary metabolism and respiration
Gene location(kb)3073.13
Molecular mass(da)17640
External sites TB Database TubercuList WebTB
Protein sequence
Number of amino acids : 159
	  		  	1    MVGLIWAQATSGVIGRGGDIPWRLPEDQAHFREITMGHTIVMGRRTWDSLPAKVRPLPGR   60
			  	61   RNVVLSRQADFMASGAEVVGSLEEALTSPETWVIGGGQVYALALPYATRCEVTEVDIGLP  120
			  	121  REAGDALAPVLDETWRGETGEWRFSRSGLRYRLYSYHRS
			  			

Known structures in the PDB
PDB ID1DF7
Total residue count159
Number of chains1
MethodX-RAY
Resolution1.7
PDB ID1DG5
Total residue count159
Number of chains1
MethodX-RAY
Resolution2
PDB ID1DG7
Total residue count159
Number of chains1
MethodX-RAY
Resolution1.8
PDB ID1DG8
Total residue count159
Number of chains1
MethodX-RAY
Resolution2
PDB ID2CIG
Total residue count159
Number of chains1
MethodX-RAY
Resolution1.9
PDB ID4KL9
Total residue count179
Number of chains1
MethodX-RAY
Resolution1.39
PDB ID4KLX
Total residue count358
Number of chains2
MethodX-RAY
Resolution1.23
PDB ID4KM0
Total residue count358
Number of chains2
MethodX-RAY
Resolution1.3
PDB ID4KM2
Total residue count358
Number of chains2
MethodX-RAY
Resolution1.4
PDB ID4KNE
Total residue count358
Number of chains2
MethodX-RAY
Resolution2
Profile-based domain assignment
Structural/Functional domain familyPfam acc.no./SCOP IDDomain Region
DHFR_1PF001861-158
Mtb Structural Proteome models
Model Number1
Model nameRv2763c_1df7_A
Template1DF7    APDBCREDO
Template coverage1_159
Template Identity(%)100.0
Model coverage(%)99.4
Normalized DOPE score-1.958

Model Number2
Model nameRv2763c
Template1DF7    APDBCREDO
Template coverage1_159
Template Identity(%)100.0
Model coverage(%)99.4
Normalized DOPE score-1.685

Structure Models from Chopin
Model Number1
Profilec.71.1.1 - 3.40.430.10
Click for model details
zscore30.16
Residue begin1
Residue end159
Binding pockets
STRING
Cytoscape Web will replace the contents of this div with protein-protein interaction network.
Protein interacting with Rv2763cGene nameConfidence Score
Rv2764cthyA0.999
Rv2447cfolC0.993
Rv2447cfolC0.993
Rv1406fmt0.99
Rv1406fmt0.99
Rv2754cthyX0.989
Rv3608cfolP10.987
Rv0070cglyA20.983
Rv1093glyA10.982
Rv2211cgcvT0.981
Rv2211cgcvT0.981
Rv3606cfolK0.964
Rv2964purU0.957
Rv2964purU0.957
Rv2124cmetH0.952
Rv1207folP20.952
Rv2124cmetH0.952
Rv2124cmetH0.952
Rv2124cmetH0.952
Rv2124cmetH0.952
Rv0389purT0.949
Rv0956purN0.948
Rv2981cddlA0.936
Rv2981cddlA0.936
Rv2786cribF0.932
Rv2786cribF0.932
Rv2448cvalS0.918
Rv2448cvalS0.918
Rv2448cvalS0.918
Rv3051cnrdE0.916
Rv3356cfolD0.916
Rv3356cfolD0.916
Rv3051cnrdE0.916
Rv3051cnrdE0.916
Rv0957purH0.912
Rv0957purH0.912
Potential ligand/drug binding sites
Protein ModelPocket NumberDrug Binding Site PMIN ScorePvalue PMINPMAX ScorePvalue PMAX
Rv2763c_1df7_A22xkw_P1B_A_1478PDBCREDO0.7060.0760.6550.001
Rv2763c_1df7_A21xkk_FMM_A_91PDBCREDO0.6870.0910.6210.001
Rv2763c_1df7_A23sm2_478_A_126PDBCREDO0.6360.1380.6060.002
Rv2763c_1df7_A23bjw_SVR_B_501PDBCREDO0.6530.1210.5910.002
Rv2763c_1df7_A23bjw_SVR_H_504PDBCREDO0.6530.1220.5900.003
Rv2763c_1df7_A21ya4_CTX_A_1PDBCREDO0.6050.1730.5900.003
Rv2763c_1df7_A23bjw_SVR_F_502PDBCREDO0.6510.1240.5880.003
Rv2763c_1df7_A23cs9_NIL_D_600PDBCREDO0.6800.0970.5830.003
Rv2763c_1df7_A21t46_STI_A_3PDBCREDO0.6760.1000.5800.003
Rv2763c_1df7_A23cs9_NIL_C_600PDBCREDO0.6760.1000.5800.003
Rv2763c_1df7_A23b0w_DGX_B_1PDBCREDO0.7530.0460.5800.003
Rv2763c_1df7_A21skx_RFP_A_1PDBCREDO0.7090.0740.5760.003
Rv2763c_1df7_A23kk6_CEL_A_701PDBCREDO0.6330.1420.5720.003
Rv2763c_1df7_A23cs9_NIL_B_600PDBCREDO0.7030.0790.5720.003
Rv2763c_1df7_A22qxs_RAL_A_600PDBCREDO0.7020.0800.5710.004
Rv2763c_1df7_A22qxs_RAL_B_600PDBCREDO0.6990.0820.5680.004
Rv2763c_1df7_A23bjw_SVR_E_503PDBCREDO0.6800.0970.5680.004
Rv2763c_1df7_A23cs9_NIL_A_600PDBCREDO0.7180.0680.5680.004
Rv2763c_1df7_A23gp0_NIL_A_1PDBCREDO0.6430.1310.5670.004
Rv2763c_1df7_A23kk6_CEL_B_1701PDBCREDO0.6890.0890.5600.004
Rv2763c_1df7_A21opj_STI_B_4PDBCREDO0.7070.0750.5600.004
Rv2763c_1df7_A21tco_FK5_C_509PDBCREDO0.6000.1780.5570.004
Rv2763c_1df7_A21opj_STI_A_3PDBCREDO0.6990.0810.5530.005
Rv2763c_1df7_A22v0z_C41_C_1328PDBCREDO0.5810.2020.5530.005
Rv2763c_1df7_A21c6z_ROC_B_505PDBCREDO0.5580.2330.5440.006
Rv2763c_1df7_A23nxu_RIT_A_600PDBCREDO0.6690.1070.5440.006
Rv2763c_1df7_A23nxu_RIT_B_600PDBCREDO0.6630.1120.5390.006
Rv2763c_1df7_A21uwj_BAX_A_1723PDBCREDO0.7200.0670.5380.006
Rv2763c_1df7_A23k5v_STI_A_2PDBCREDO0.6980.0820.5370.006
Rv2763c_1df7_A22v0z_C41_O_1327PDBCREDO0.6030.1760.5310.007
Rv2763c_1df7_A23mss_STI_B_1PDBCREDO0.7220.0650.5250.007
Rv2763c_1df7_A21iep_STI_B_202PDBCREDO0.7220.0650.5250.007
Rv2763c_1df7_A23pyy_STI_A_3PDBCREDO0.7210.0650.5250.007
Rv2763c_1df7_A23mss_STI_D_1PDBCREDO0.7210.0660.5240.008
Rv2763c_1df7_A23mss_STI_A_1PDBCREDO0.7200.0660.5240.008
Rv2763c_1df7_A23k5v_STI_B_2PDBCREDO0.7200.0670.5230.008
Rv2763c_1df7_A23ms9_STI_A_1PDBCREDO0.7190.0670.5230.008
Rv2763c_1df7_A23mss_STI_C_1PDBCREDO0.7190.0670.5230.008
Rv2763c_1df7_A21iep_STI_A_201PDBCREDO0.7180.0680.5220.008
Rv2763c_1df7_A23gvu_STI_A_1001PDBCREDO0.7170.0690.5210.008
Rv2763c_1df7_A22hyy_STI_A_600PDBCREDO0.7150.0700.5200.008
Rv2763c_1df7_A23ms9_STI_B_1PDBCREDO0.7140.0700.5190.008
Rv2763c_1df7_A23pyy_STI_B_4PDBCREDO0.7140.0700.5190.008
Rv2763c_1df7_A22hyy_STI_C_600PDBCREDO0.7130.0710.5190.008
Rv2763c_1df7_A22q64_1UN_B_1001PDBCREDO0.5290.2740.5160.009
Rv2763c_1df7_A23b0w_DGX_A_1PDBCREDO0.7530.0460.5160.009
Rv2763c_1df7_A22hyy_STI_D_600PDBCREDO0.7100.0730.5160.009
Rv2763c_1df7_A22w8y_486_A_1000PDBCREDO0.7520.0460.5160.009
Rv2763c_1df7_A22pyn_1UN_A_1001PDBCREDO0.5280.2750.5160.009
Rv2763c_1df7_A22pym_1UN_A_1001PDBCREDO0.5280.2760.5150.009
Rv2763c_1df7_A22qak_1UN_A_1001PDBCREDO0.5280.2760.5150.009
Rv2763c_1df7_A22q63_1UN_A_1001PDBCREDO0.5280.2760.5150.009
Rv2763c_1df7_A23oez_STI_A_601PDBCREDO0.7080.0750.5150.009
Rv2763c_1df7_A21y0x_T44_X_500PDBCREDO0.7930.0270.5120.009
Rv2763c_1df7_A23prs_RIT_A_1001PDBCREDO0.5100.3030.5100.009
Rv2763c_1df7_A22nnk_ROC_A_401PDBCREDO0.5350.2650.5100.009
Rv2763c_1df7_A23ndt_ROC_D_100PDBCREDO0.5340.2670.5090.010
Rv2763c_1df7_A23ufn_ROC_A_401PDBCREDO0.5750.2100.5060.010
Rv2763c_1df7_A21uwj_BAX_B_1723PDBCREDO0.7350.0560.5040.010
Rv2763c_1df7_A23d91_REM_A_350PDBCREDO0.7340.0580.5030.010
Rv2763c_1df7_A23d91_REM_B_350PDBCREDO0.7330.0580.5030.010
Rv2763c_1df7_A23h52_486_B_1PDBCREDO0.7550.0450.5030.010
Rv2763c_1df7_A22oiq_STI_A_1001PDBCREDO0.7530.0460.5010.011
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
CHEMBL1162949IZ = 5 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL21408IZ = 7 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL22IZ = 5 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226147IZ = 11 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226198IZ = 7 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226199IZ = 8 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226200IZ = 7 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226249IZ = 7 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226250IZ = 8 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226251IZ = 9 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226252IZ = 8 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL226312IZ = 5 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL278847IZ = 5 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL387508IZ = 9 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL387509IZ = 9 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL388407IZ = 5 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL388840IZ = 8 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL389063IZ = 8 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL427445IZ = 5 mmInhibition of Mycobacterium tuberculosis DHFR expressed in Saccharomyces cerevisiae TB5 assessed as yeast growth inhibition after 3 days by radial spoke assayhttp://www.ncbi.nlm.nih.gov/pubmed/17451962
CHEMBL64Ki = 1 nMInhibition of Mycobacterium tuberculosis dihydrofolate reductasehttp://www.ncbi.nlm.nih.gov/pubmed/20566771
Off-target activity - ligand based from TIBLE
  View results in TIBLE page
Predicted off-targetMethodSummaryFull results
Glutathione-requiring prostaglandin D synthase 1V40PharmMapper1 hydroph + 4 HB + 3 pos/neg + 0 aromLink
Serum albumin 1GNJPharmMapper6 hydroph + 1 HB + 1 pos/neg + 0 aromLink
Lactoylglutathione lyase 1FROPharmMapper3 hydroph + 4 HB + 2 pos/neg + 0 aromLink
Cellular retinoic acid-binding protein 2 3CBSPharmMapper6 hydroph + 2 HB + 1 pos/neg + 0 aromLink
Coagulation factor VII 1DANPharmMapper0 hydroph + 7 HB + 5 pos/neg + 0 aromLink
Maillard reaction  PASSPa = 0.795 & SM = CHEMBL64Link
Peroxidase  PASSPa = 0.723 & SM = CHEMBL64Link
formyl peptide receptor; N-formyl-Met-Leu-Phe receptor [-] SEAE_value = 9.83e-19 & MaxTC = 0.37Link
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
methotrexatePubChem0.997454.439
trimethoprimPubChem0.997290.318
dihydrofolatePubChem0.997443.413
NADP(H)PubChem0.997745.421
NADPPubChem0.995744.413
DB04007PubChem0.979370.245
tetrahydrofolatePubChem0.977445.429
glycerolPubChem0.97792.0938
folatePubChem0.971441.397
hydroxyl radicalsPubChem0.96617.0073
phosphatePubChem0.96196.9872
thymidylatePubChem0.958322.208
dihydropteroatePubChem0.947314.299
sulfatePubChem0.94696.0626
H(+)PubChem0.9422.01588
deuteriumPubChem0.9412.01588
trimetrexatePubChem0.939370.426
hydron sulfatePubChem0.934196.157
dUMPPubChem0.932308.182
H4FPubChem0.93445.429
glutamatePubChem0.929147.129
5,10-methylenetetrahydrofolatePubChem0.928457.44
reduced nicotinamide adenine dinucleotidePubChem0.923665.441
N5,N10-methylenetetrahydrofolatePubChem0.913457.44
polyglycinePubChem0.90275.0666
carbon dioxidePubChem0.90244.0095
adenosine diphosphatePubChem0.901427.201
1dGPubChem0.9850.515
DL-serinePubChem0.9105.093
NAD+PubChem0.9663.425
L-serinePubChem0.9105.093
dihydronicotinamide formycin dinucleotidePubChem0.9665.441
protiumPubChem0.92.01576
adenosine triphosphatePubChem0.9507.181
ammoniaPubChem0.917.0305
5-deazafolatePubChem0.879440.409
piritreximPubChem0.878325.365
5,10-dideaza-5,6,7,8-tetrahydrofolic acidPubChem0.871443.453
methotrexate polyglutamatePubChem0.857454.439
aminopterinPubChem0.853440.413
edatrexatePubChem0.842467.478
10-ethyl-10-deazaaminopterinPubChem0.837467.478
CAS 59-05-2PubChem0.818454.439
5-deazafolic acidPubChem0.818440.409
7,8-dihydrobiopterinPubChem0.8239.231
calciumPubChem0.79440.078
DB08234PubChem0.793312.366
PT523PubChem0.792573.56
53RPubChem0.781358.436
(E)-3-[5-[(2,4-diaminopyrimidin-5-yl)methyl]-2,3-dimethoxyphenyl]-1-(1-propyl-1H-phthalazin-2-yl)proPubChem0.778486.565
(E)-3-[5-[(2,4-diaminopyrimidin-5-yl)methyl]-2,3-dimethoxyphenyl]-1-[(1S)-1-propyl-1H-phthalazin-2-yPubChem0.778486.565
11fPubChem0.778358.436
AR-709PubChem0.777534.994
CB3717PubChem0.774477.469
Propargyl inhibitor, 20PubChem0.774342.392
pyrimethaminePubChem0.773248.711
Vg9PubChem0.773368.433
CB 3717PubChem0.772477.469
GW578PubChem0.771282.363
trimethoprim-sulfamethoxazolePubChem0.771543.595
methylbenzoprimPubChem0.767378.428
53TPubChem0.767386.489
2,4-diamino-PubChem0.765386.489
sulfamethoxazolePubChem0.764253.278
iclaprimPubChem0.756354.403
52vPubChem0.755386.489
5WBPubChem0.753358.392
metoprinePubChem0.747269.13
5-deazaaminopterinPubChem0.744439.425
5WAPubChem0.737344.365
Aids032361PubChem0.727302.782
CHEMBL13908PubChem0.727418.487
CHEMBL23338PubChem0.727300.356
CHEMBL60069PubChem0.727318.371
CHEMBL14201PubChem0.727334.327
CHEMBL23609PubChem0.727304.344
10-deazaaminopterinPubChem0.726439.425
Ro 11-8958PubChem0.725353.418
5,8-dideazafolic acidPubChem0.717439.421
2,4-diaminopyrimidinePubChem0.716110.117
cycloguanilPubChem0.714288.176
brodimoprimPubChem0.714339.188
derivative of methotrexatePubChem0.71569.527
methotrexate-gamma-aspartatePubChem0.706569.527
Aids031008PubChem0.704349.218
deazaaminopterinPubChem0.703438.437
CHEBI:669256PubChem0.7356.419
CHEBI:669926PubChem0.7356.419