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Table 5 The most active derivatives interaction with the key amino acid residues of the ATP binding pocket of GyrB subunit (PDB ID: 4KFG) from E. coli

From: Indole hybridized diazenyl derivatives: synthesis, antimicrobial activity, cytotoxicity evaluation and docking studies

Compound

Interacting residues at the active site

DS-6

Pro79, Ile78, Gly77, Arg76, Asp73, Ile90, Met91, Glu50, Asp49, Ala47, Asn46, Asp45, Val43, Glu42, Val120, Val118, His116, Leu 115, Val111, Ser108, Asp106

DS-10

Asn46, Ala47, Asp49, Glu50, Pro79, Ile78, Arg76, Asp73, Thr165, Ile 90, Arg76, Asp73, Thr165, Ile 90, Asp106, Asn 107, Ser108

DS-11

Val120, Gly119, Glu42, Val43, Asp45, Asn46, Ala47, Asp49, Glu50, Ser108, Asp73, Arg76

DS-14

Pro79, Ile78, Arg76, Asp73, Glu50, Asp49, Ala47, Asn46, Asp45, Glu42, Val111, Ser108, Asp106

DS-16

Pro79, Ile78, Arg76, Asp73, Glu50, Asp49, Ala47, Asn46, Asp45, Glu42, Val111, Ser108, Asn107, Asp106

DS-19

Asp73, Val71, Glu50, Asp49, Ala47, Asn46, Asp45, Val43, Glu42, Leu115, His116, Val118, Gly119, Val120, Ser108, Asp106

DS-20

Pro79, Ile78, Gly77, Arg76, Asp73, Gln72, Val71, Glu50, Ala47, Asn46, Asp45, Val43, Glu42

DS-21

Pro79, Ile78, Arg76, Asp73, Glu50, Asp49, Asp73, Ala47, Asn46, Val120, Asp45, Val118

CPR

Ile90, Val120, Leu132, Val167, Val43, Asn46, Ala47, Thr165, Val71, Asp73, Arg76, Ile78, Pro79

NOV

Ile90, Ala53, Glu50, Asp49, Ala47, Asn46, Lys110, Thr165, Asp73, Arg76, Ile78, Pro79

  1. CPR ciprofloxacin, NOV novobiocin