Tuberculist information
Gene namecysK1
Protein functionCysteine synthase a CysK1 (O-acetylserine sulfhydrylase A) (O-acetylserine (thiol)-lyase A) (CSASE A)
Functional category(tuberculist)intermediary metabolism and respiration
Gene location(kb)2608.8
Molecular mass(da)32752.7
External sites TB Database TubercuList WebTB
Protein sequence
Number of amino acids : 310
	  		  	1    MSIAEDITQLIGRTPLVRLRRVTDGAVADIVAKLEFFNPANSVKDRIGVAMLQAAEQAGL   60
			  	61   IKPDTIILEPTSGNTGIALAMVCAARGYRCVLTMPETMSLERRMLLRAYGAELILTPGAD  120
			  	121  GMSGAIAKAEELAKTDQRYFVPQQFENPANPAIHRVTTAEEVWRDTDGKVDIVVAGVGTG  180
			  	181  GTITGVAQVIKERKPSARFVAVEPAASPVLSGGQKGPHPIQGIGAGFVPPVLDQDLVDEI  240
			  	241  ITVGNEDALNVARRLAREEGLLVGISSGAATVAALQVARRPENAGKLIVVVLPDFGERYL  300
			  	301  STPLFADVAD
			  			

Known structures in the PDB
PDB ID2Q3B
Total residue count313
Number of chains1
MethodX-RAY
Resolution1.8
PDB ID2Q3C
Total residue count317
Number of chains2
MethodX-RAY
Resolution2.1
PDB ID2Q3D
Total residue count313
Number of chains1
MethodX-RAY
Resolution2.2
PDB ID3ZEI
Total residue count310
Number of chains1
MethodX-RAY
Resolution2
Profile-based domain assignment
Structural/Functional domain familyPfam acc.no./SCOP IDDomain Region
PALPPF002917-294
Mtb Structural Proteome models
Model Number1
Model nameRv2334_2q3b_A
Template2Q3B    APDBCREDO
Template coverage1_300
Template Identity(%)100.0
Model coverage(%)96.5
Normalized DOPE score-1.615

Model Number2
Model nameRv2334
Template1Z7W    APDBCREDO
Template coverage5_308
Template Identity(%)58.4
Model coverage(%)97.4
Normalized DOPE score-1.093

Structure Models from Chopin
Model Number1
Profilec.79.1.1
Click for model details
zscore31.95
Residue begin1
Residue end310
Binding pockets
STRING
Cytoscape Web will replace the contents of this div with protein-protein interaction network.
Protein interacting with Rv2334Gene nameConfidence Score
Rv2335cysE0.999
Rv2335cysE0.999
Rv3340metC0.989
Rv2392cysH0.976
Rv2391sirA0.975
Rv2391sirA0.975
Rv1286cysN0.963
Rv1286cysN0.963
Rv0075Rv00750.963
Rv1286cysN0.963
Rv1391dfp0.953
Rv1391dfp0.953
Rv1335cysO0.945
Rv1079metB0.94
Rv2294Rv22940.938
Rv0848cysK20.936
Rv1334mec0.931
Rv1336cysM0.929
Rv1285cysD0.914
Potential ligand/drug binding sites
Protein ModelPocket NumberDrug Binding Site PMIN ScorePvalue PMINPMAX ScorePvalue PMAX
Rv2334_2q3b_A13prs_RIT_A_1001PDBCREDO0.6480.1260.5890.003
Rv2334_2q3b_A13pww_ROC_A_1001PDBCREDO0.7130.0710.5560.005
Rv2334_2q3b_A23sm2_478_A_126PDBCREDO0.7340.0570.5540.005
Rv2334_2q3b_A22aof_FRD_C_305PDBCREDO0.6140.1630.5360.006
Rv2334_2q3b_A12v0z_C41_C_1328PDBCREDO0.6190.1570.5350.006
Rv2334_2q3b_A11t46_STI_A_3PDBCREDO0.6770.0990.5280.007
Rv2334_2q3b_A11c6z_ROC_B_505PDBCREDO0.5860.1960.5200.008
Rv2334_2q3b_A12v0z_C41_O_1327PDBCREDO0.6480.1260.5190.008
Rv2334_2q3b_A11xkk_FMM_A_91PDBCREDO0.6300.1450.5180.008
Rv2334_2q3b_A13sm2_478_A_126PDBCREDO0.5970.1820.5170.008
Rv2334_2q3b_A12xkw_P1B_A_1478PDBCREDO0.6100.1680.5140.009
Rv2334_2q3b_A22v0z_C41_C_1328PDBCREDO0.6770.1000.5110.009
Rv2334_2q3b_A13el4_ROC_A_100PDBCREDO0.5220.2840.5100.009
Rv2334_2q3b_A13cs9_NIL_D_600PDBCREDO0.6540.1210.5100.009
Rv2334_2q3b_A22v0z_C41_O_1327PDBCREDO0.7230.0640.5050.010
Rv2334_2q3b_A13cs9_NIL_C_600PDBCREDO0.6470.1270.5050.010
Rv2334_2q3b_A21xkk_FMM_A_91PDBCREDO0.7030.0790.5040.010
Rv2334_2q3b_A11uwj_BAX_A_1723PDBCREDO0.7380.0540.5020.011
Similarity to known drug target from sensitive sequence analysis
No drug targets
List of small molecules tested from TIBLE
Data not available
Off-target activity - ligand based from TIBLE
Data not available
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
O-acetylserinePubChem0.993147.129
sulphurPubChem0.97534.0809
O-acetyl-L-serinePubChem0.969147.129
half-cystinePubChem0.968121.158
L-serinePubChem0.963105.093
Nchembio861-comp5PubChem0.957377.33
chloridePubChem0.93335.453
bisulfitePubChem0.92580.0632
acetyl-CoAPubChem0.924809.571
acetatePubChem0.91859.044
cysteinatePubChem0.917121.158
H(+)PubChem0.9042.01588
pyridoxal phosphatePubChem0.904247.142
NADPPubChem0.901744.413
L-selenocysteinePubChem0.9168.053
N-(5'-phosphopyridoxyl)-d-alaninePubChem0.9320.236
NADP(H)PubChem0.9745.421
coenzyme APubChem0.9767.534
protiumPubChem0.92.01576
acetyl coenzyme-APubChem0.9809.571
PPL-L-alaninePubChem0.9318.22
deuteriumPubChem0.92.01588
DL-serinePubChem0.9105.093
2-methyl-2,4-pentanediolPubChem0.9118.174
Co-APubChem0.9767.534
hydroxyl radicalsPubChem0.917.0073
(4s)-2-Methyl-2,4-PentanediolPubChem0.9118.174
sulfatePubChem0.89296.0626
thiosulfatePubChem0.793112.128
aminoacrylatePubChem0.74487.0773
hydron sulfatePubChem0.7196.157