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. 2025 Jul 31;15:27904. doi: 10.1038/s41598-025-11899-7

Table 6.

The molecular docking of the antimicrobial target proteins with the compounds.

Compound ID Compound name Amino acid interaction Bond length Glide score Glide energy
1H7L-Spore coat polysaccharide biosynthesis protein SpsA
89966 1,2-Benzisothiazol-3-amine

HIS 159,

TYR 77.

[2.03]; [4.21, 3.70]. − 3.44 − 20.03
610161 2-Ethylacridine

PHE 233,

TYR 11,

TYR 77,

ARG 76.

[5.03]; [5.49];

[5.21, 5.84, 5.45]; [5.31].

− 3.90 − 24.14
610182 2,4-Dimethylbenzo[h]quinoline

ARG 76,

LEU 80.

[5.17]; [4.81]. − 4.95 − 27.35
91733949 2-bromobutyloxychalcone

THR 9,

ASP 99,

TYR 11,

ARG 76,

TYR 77.

[2.21];

[2.50, 2.59];

[5.55]; [5.18, 5.12]; [5.24].

− 4.63 − 37.07
1JIJ-Staphylococcus aureus tyrosyl-tRNA synthetase
89966 1,2-Benzisothiazol-3-amine

ALA 39,

ASP 40.

[4.38,4.23]; [2.74,1.94]. − 2.86 − 22.97
610161 2-Ethylacridine

ASP 195,

TYR 36,

CYS37,

GLY 192.

[4.51]; [5.31];

[2.94,5.17,5.04];

[2.80,2.92].

− 3.82 − 27.65
610182 2,4-Dimethylbenzo[h]quinoline

ASP 80,

TYR 36,

LEU 70,

CYS 37.

[4.45]; [5.26];

[3.81]; [4.05].

− 3.94 − 32.71
91733949 2-bromobutyloxychalcone

LEU 70,

GLN 190,

CYS 37,

GLY 193,

GLN196.

[4.80]; [2.08];

[4.93]; [3.08];

[2.77].

− 4.79 − 46.30
1QU3-Isoleucyl-tRNA synthetase (IleRS)
89966 1,2-Benzisothiazol-3-amine GLU 554. [1.73]. − 3.10 − 22.76
610161 2-Ethylacridine

GLY 554,

TRP 562,

TRP 528,

[1.64]; [5.41, 4.94]; [4.78]. − 7.92 − 35.62
610182 2,4-Dimethylbenzo[h]quinoline

PRO 56,

GLU 554,

TRP 562,

ASP 557,

HIS 64.

[5.26]; [2.41];

[5.97, 5.13];

[4.46, 5.22];

[5.47].

− 6.25 − 30.45
91733949 2-bromobutyloxychalcone

TRP 528,

GLY 555,

GLU 554,

ASN 70,

HIS 67,

PRO 57.

[5.97]; [2.14];

[2.84]; [2.68];

[4.24]; [5.37].

− 4.71 − 40.99
1RKW-Transcriptional regulator qacR
89966 1,2-Benzisothiazol-3-amine

HIS 42,

GLU 52.

[1.93];

[3.67, 3.49].

− 1.98 − 16.57
610161 2-Ethylacridine

GLU 52,

LYS 115,

LYS 118,

LEU 119.

[4.52]; [4.21, 4.58, 5.17, 4.00, 4.21]; [4.31];

[5.16].

− 2.95 − 31.49
610182 2,4-Dimethylbenzo[h]quinoline

LYS 115,

GLU 52.

[4.24]; [4.40, 3.62, 3.70]. − 1.80 − 19.45
91733949 2-bromobutyloxychalcone

ASN 55,

LYS 118,

LYS 115.

[2.32]; [4.36];

[3.08,4.92].

− 1.21 − 26.36
2BV6-HTH-type transcriptional regulator MgrA
89966 1,2-Benzisothiazol-3-amine

ALA 63,

LEU 62,

LEU 42,

PRO 39,

TYR 38.

[2.19, 4.96];

[2.81, 4.48];

[5.42]; [4.90];

[5.50].

− 3.06 − 17.13
610161 2-Ethylacridine

LEU 42,

PRO 39,

LEU 62,

ALA 63.

[4.91]; [4.84];

[5.01]; [2.26, 5.12, 5.03].

− 2.75 − 20.26
610182 2,4-Dimethylbenzo[h]quinoline

ALA 63,

LEU 62,

LEU 42,

PRO 39,

TYR 38.

[5.10, 4.93, 3.95, 2.25]; [5.37];

[5.13]; [5.28, 4.88]; [5.30]

− 2.39 − 19.83
91733949 2-bromobutyloxychalcone

VAL 116,

TYR 38,

GLN 19,

LEU 134,

PHE 41,

LEU 42.

[4.94]; [3.00];

[2.05, 2.98];

[4.23]; [4.32];

[4.99].

− 3.89 − 30.05
2GLU-YcgJ protein from Bacillus subtilis
89966 1,2-Benzisothiazol-3-amine

PRO 119,

TYR 117.

[5.12]; [2.08]. − 2.85 − 15.11
610161 2-Ethylacridine

LEU 145,

LEU 167,

PRO 168,

GLN 149.

[5.27]; [4.96];

[5.12, 4.86];

[2.14, 2.82].

− 2.61 − 18.78
610182 2,4-Dimethylbenzo[h]quinoline

TYR 159,

GLN 149,

LEU 145,

GLU 120.

[5.35]; [1.94];

[4.48, 5.09];

[4.21, 4.48].

− 3.35 − 20.95
91733949 2-bromobutyloxychalcone

PRO 168,

GLU 120,

PRO 119.

[4.42]; [2.90];

[2.57, 4.82].

− 2.52 − 30.91
2VEG-Dihydropteroate synthase
89966 1,2-Benzisothiazol-3-amine

ASP 221,

GLN 276,

ARG 275,

LLE 272.

[1.92]; [3.06];

[4.15, 4.13];

[5.42].

− 3.22 − 16.19
610161 2-Ethylacridine

ARG 275,

LLE 272,

ASP 221.

[3.88, 5.36, 3.95]; [4.85]; [2.07]. − 4.24 − 2312
610182 2,4-Dimethylbenzo[h]quinoline

ARG 275,

ASP 221.

[4.39, 4.59];

[3.87, 3.68].

− 2.71 − 23.28
91733949 2-bromobutyloxychalcone ARG 275. [5.45, 4.01]. − 1.17 − 26.44
2W8D-Processed glycerol phosphate lipoteichoic acid synthase 2
89966 1,2-Benzisothiazol-3-amine

TRP 350,

ASN 478,

HIS 479,

PHE 413.

[5.23, 4.85, 3.53, 4.21]; [3.02];

[2.45]; [5.04].

− 4.05 − 21.07
610161 2-Ethylacridine

TRP 350,

ASN 478,

HIS 479.

[4.97, 4.03, 5.01, 3.78, 4.46]; [3.10]; [4.79, 4.07]. − 4.58 − 24.35
610182 2,4-Dimethylbenzo[h]quinoline

HIS 479,

PHE 349,

ASN 478,

TYR 380,

PHE 413,

TRP 350.

[4.31]; [4.74];

[2.68]; [5.09];

[504]; [4.19, 5.08, 5.15, 4.87, 4.48, 3.44].

− 3.51 − 18.95
91733949 2-bromobutyloxychalcone

TPO 297,

TRP 350,

TYR 380,

PHE 349,

ASN 478,

PHE 413.

[4.02]; [2.27];

[5.64]; [4.32];

[2.07]; [4.76].

− 7.16 − 36.62
2XCT-DNA gyrase subunit B, DNA gyrase subunit A
89966 1,2-Benzisothiazol-3-amine

LLE 1452,

LYS 1375,

ALA 1378,

GLU 1382,

LEU 1449.

[5.16]; [3.55, 4.20]; [5.32];

[1.92]; [5.07].

− 0.97 − 11.96
610161 2-Ethylacridine

GLU 1382,

LEU 1449,

LYS 135,

LLE 1452.

[1.52]; [5.13, 4.76]; [3.97];

[4.17].

− 2.69 − 27.77
610182 2,4-Dimethylbenzo[h]quinoline

LLE 1452,

LYS 1375,

ALA 1378,

LEU 1449,

GLU 1382.

[5.16]; [5.14];

[3.65]; [4.97, 4.57]; [5.51].

− 2.86 − 22.49
91733949 2-bromobutyloxychalcone

LLE 1452,

LEU 1449,

ASN 474.

[4.97]; [5.28, 5.38]; [2.11]. − 1.13 − 26.97
3RAE-DNA topoisomerase 4 subunit A
89966 1,2-Benzisothiazol-3-amine

PRO 113,

ARG 117,

MET 116,

ALA 115.

[2.95]; [4.72];

[5.45]; [4.13, 3.91].

− 1.66 − 24.21
610161 2-Ethylacridine

PRO 112,

TYR 82,

ALA 115,

MET 116.

[5.02]; [4.42];

[4.68]; [4.39].

− 2.95 − 31.49
610182 2,4-Dimethylbenzo[h]quinoline

ASP 83,

MET 116,

ALA 115.

[4.01]; [5.52];

[4.71, 4.65].

− 3.64 − 29.51
91733949 2-bromobutyloxychalcone

ALLA 115,

MET 116,

ARG 117.

[4.76]; [5.30];

[2.40].

− 2.79 − 34.49
3SRW-Dihydrofolate reductase
89966 1,2-Benzisothiazol-3-amine

LLE 15,

LEU 21,

ALA 8,

PHE 93.

[2.07]; [5.15, 5.43]; [2.14, 2.27,5.13];

[5.18, 5.63].

− 6.08 − 22.26
610161 2-Ethylacridine

LEU 21,

LEU 29,

PHE 93,

LLE 15.

[4.46, 4.35]; [5.14]; [5.28];

[4.70].

− 5.24 − 278,994
610182 2,4-Dimethylbenzo[h]quinoline

PHE 93,

LLE 15,

LEU 21.

[4.87]; [5.36];

[4.51, 5.10].

− 5.63 − 29.9
91733949 2-bromobutyloxychalcone

VAL 132,

VAL 17,

LLE 15,

ALA 8,

LEU 21,

ASN 19.

[5.43]; [2.61];

[5.28]; [1.99, 5.32]; [4.84];

[2.59].

− 7.13 − 41.79
3VSL-Penicillin-binding protein 3
89966 1,2-Benzisothiazol-3-amine

ASN 501,

VAL 493,

LYS 494.

[1.94]; [5.34, 3.25]; [4.87, 3.98, 4.27]. − 1.41 − 19.70
610161 2-Ethylacridine

LYS 494,

ASN 501,

PRO 500,

TYR 278.

[4.91, 3.07, 2.81]; [3.01, 2.59]; [5.20]

[4.97].

− 3.22 − 24.34
610182 2,4-Dimethylbenzo[h]quinoline

LYS 494,

ASN 501,

PRO 500.

[4.76, 5.38];

[2.76, 2.15];

[5.30, 5.45].

− 2.75 − 22.93
91733949 2-bromobutyloxychalcone

TYR 278,

LYS 494,

HIS 259,

LEU 576.

[4.61]; [1.98];

[5.56]; [5.06].

− 4.66 − 35.39
4JVC-Transcriptional regulator MvfR
89966 1,2-Benzisothiazol-3-amine

LEU 197,

GLN 194,

ARG 209,

LEU 207,

LLE 236,

LEU 208.

[2.63]; [2.90];

[2.07]; [2.58];

[2.81, 3.98];

[4.77, 5.14].

− 4.88 − 27.06
610161 2-Ethylacridine

LLE 236,

ALA 102,

ALA 168,

LLE 149,

LEU 208.

[4.92, 3.87, 4.17]; [4.27];

[4.16, 3.25];

[4.95, 4.05];

[4.99, 4.94].

− 6.71 − 19.70
610182 2,4-Dimethylbenzo[h]quinoline

LLE 149,

ALA 168,

LLE 236,

VAL 211,

LEU 208.

[5.32]; [4.52];

[4.54, 3.98, 4.12, 5.45]; [5.48];

[4.80,4.87].

− 6.71 − 28.29
91733949 2-bromobutyloxychalcone

ALA 102,

PRO 238,

ALA 168,

LLE 236,

LLE 149,

LEU 208,

ARG 209.

[4.37]; [4.96]

[3.22]; [5.29, 2.87]; [4.31];

[5.14]; [4.02];

− 7.26 − 34.37