GenBank Accession Number/Name of CTX-M variant/Country of isolation/Year [GenBank: FJ997864] / CTX-M-15/India/2009 (This study) [GenBank: DQ268764]/ CTX-M-53/France/2009 [GenBank: FJ815436]/ CTX-M- 71/Bulgaria/2009 [GenBank: DQ256091]/ CTX-M-82/China/2009 [GenBank: FJ971899]/ CTX-M- 89/USA/2009
PDB ID of the template retrieved for modeling [PDB:1IYSA] [PDB:1IYSA] [PDB:1WE4A] [PDB:1IYSA] [PDB:1IYSA]
E-value 2.03e-117 3.52e-117 1.16e-118 3.73e-117 4.44e-120
Final total energy in Kj/mol (Modeling log) -14825.173 -14555.407 -14793.956 -14708.911 -14597.197
Amino acid changes present in the 2009 CTX-M sequences considering the GenBank accession no. GQ339102 (Russia/2009/ CTX-M- 15) as a reference P88T, N89D A27V, A77V, R38Q, T264I G238C A40P A77V,K83Q,S86T,E87Q, P88K, N89G, N92S,K99P, V103I, S118T, L119F,A120G, V133T, V142L, A146D,S147K, Q154T, L155I, E158D,S182T, R184L, T189A, K197N,S202T, T209M, M211L, G240D, P269S, Q270E, K285R, S281A, L291Y
Ramachandran Zscore -0.449 0.006 -0.103 -0.007 0.092
Docking with clavulanate (All energies are in Kj/mol) E-total = -161.35 E-shape = -154.40 E-force = -6.95 E-total = -164.29 E-shape = -155.02 E-force = -9.26 E-total = -151.42 E-shape = -156.25 E-force = 4.83 E-total = -160.44 E-shape = -153.33 E-force = -7.11 E-total = -153.94 E-shape = -141.55 E-force = -12.39
Docking with sulbactam (All energies are in Kj/mol) E-total = -179.59 E-shape = -144.84 E-force = -34.75 E-total = -177.07 E-shape = -114.76 E-force = -62.31 E-total = -180.62 E-shape = -135.80 E-force = -44.82 E-total = -183.43 E-shape = -146.41 E-force = -37.02 E-total = -173.10 E-shape = -137.36 E-force = -35.75
Docking with tazobactam (All energies are in Kj/mol) E-total = -148.21 E-shape = -95.75 E-force = -52.46 E-total = -149.08 E-shape = -106.35
E-force = -42.73
E-total = -135.28 E-shape = -128.79 E-force = -6.49 E-total = -144.86 E-shape = -96.92 E-force = -47.94 E-total = -144.86 E-shape = -96.92 E-force = -47.94
Table 1: Bioinformative details of the modeled CTX-M structures and interaction energies of the docked enzyme-inhibitor-complexes.