Table 4. Binding affinity and hydrogen bond interactions of the Paclitaxel and triterpenoids isolated from Cassia fistula with different cancer targets.

Marker type	markers	Binding affinity				Hydrogen bond interactions
		Triterpenoid Compound 1	Triterpenoid Compound 2	Triterpenoid Compound 3	Paclitaxel	Triterpenoid Compound 1	Triterpenoid Compound 2	Triterpenoid Compound 3	Paclitaxel
	BAK	-7.9	-7.9	-8.2	-7.1	-	-	Arg-137, Asp-90, Glu-46, Glu-48	Arg-87, Asn-86, Asp-90, Gln-94
	BAX	-6.1	-6.2	-5.8	-4.4	Asp-157	Ile-155	Glu-156, Leu- 152	Arg-153
	Bcl-2	-8.3	-8.3	-8.7	-7.5	Asp-35, Glu-42	Arg-12, Glu-42	-	Arg-98,Lys-17
Apoptotic	Bcl-xL	-7.8	-8.9	-8.7	-7.9	Tyr-199	-	-	Arg-104, Arg-143
	Caspase-3	-6.8	-7.2	-6.6	-6.8	Gly-145, Gly153	Arg-164	Gly-145, Lys-156, Thr-140	Lys- 137, Lys- 156, Tyr- 37
	Caspase-6	-6.7	-6.9	-6.6	-6.8	Asn-224, Gln-230	Arg- 164	Tyr- 216	Pro-33
	Caspase-8	-8.7	-8.8	-8.3	-9.6	-	Leu-274	-	Arg-1068, Gln-1107, Gln-191
	Caspase-9	-7	-7.3	-7.5	-7.7	-	-	-	Gln-320, Gly-277, Ser- 339
	CDK-4	-8.1	-8.2	-7.7	-8.5	Arg-186	Arg-144	Val- 190	-
	CDK-6	-8.8	-8.9	-8.6	-8.2	-	-	Asp-163	Gly- 239,Phe-283
	Cyclin-D1	-7.2	-7.7	-7.4	-7.8	Cys-73	Arg-140	Arg- 179, Gln- 176, Glu- 75	Thr- 184, Gln-183
Cell cycle	Cylcin-D3	-8.3	-7.8	-7.5	-6.3	Asn-145, Asp- 99,Asp- 158, Lys-35	Arg-38	Thr-277	Phe-287, Ala-286
	P18	-7.4	-7.1	-7	-7.5	-	-	-	-
	P21	-5.3	-5.2	-5	-4.6	Arg-155, Arg 156, Lys-154	Arg-155	Arg- 155	Arg-155
	P27	-7.3	-6.9	-7.7	-7.5	-	Val- 79	-	-
	P52	-6.9	-7	-6.4	-7.0	Ser-161	Lue-228	Arg- 156	Asn-227, Ser-226, Asp-251
NFkB	P65	-7.2	-6.9	-7.3	-7.2	Ile- 224	-	Ser-51	Arg-273, Gln-243, Lys-28
	P100	-7.9	-7.3	-7.1	-9.1	Leu-95, Leu- 117	His- 382	-	Lys-153, Ala-104, Arg-193, Arg-103
	CAT	-9.4	-8.8	-8.4	-7.3	-	-	-	Gln-387, Asn-385, Arg-382
Oxidative stress	SOD	-6.7	-6.8	-7.1	-5.9	-	Arg-69	Arg-143, Glu-133, Gly-141	Gly-141, Arg-143
	Glute	-7.3	-7	-6.9	-7.6	Pro- 165	Gln- 54	Glu-164	Arg-29, Thy-100, Asn-15
WNT complex	LRP	-8.6	-9.7	-10	-8.3	His-962, Glu-701	Val-699, Arg-739	Asp-110	Gln-1182, Arg-1184
	frizzled	-8.2	-8.6	-8.2	-7.3	-	Glu-68	Arg-132, Asp-131, Ala-128	-