Compile Data Set for Download or QSAR

Found 20 hits Enz. Inhib. hit(s) with all data for entry = 50009458   

Target/Host (Institution)	Ligand	Target/Host Links	Ligand Links	Trg + Lig Links	Ki nM	ΔG° kJ/mole	IC50 nM	Kd nM	EC50/IC50 nM	koff s-1	kon M-1s-1	pH	Temp °C
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083761 (CHEMBL87429 | [3-Oxo-8-[3-(pyridin-2-ylamino)-prop...) Show SMILES OC(=O)C[C@@H]1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)/t16-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents Similars	PubMed	0.900	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083763 (CHEMBL86992 | [(S)-8-[2-(6-Methylamino-pyridin-2-y...) Show SMILES CNc1cccc(CCOc2ccc3C[C@@H](CC(O)=O)C(=O)N(CC(F)(F)F)Cc3c2)n1 Show InChI InChI=1S/C22H24F3N3O4/c1-26-19-4-2-3-17(27-19)7-8-32-18-6-5-14-9-15(11-20(29)30)21(31)28(12-16(14)10-18)13-22(23,24)25/h2-6,10,15H,7-9,11-13H2,1H3,(H,26,27)(H,29,30)/t15-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents	PubMed	1.20	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083764 (CHEMBL421533 | [3-Oxo-8-[3-(pyridin-2-ylamino)-pro...) Show SMILES OC(=O)CC1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	1.30	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083762 (CHEMBL314022 | {2-Methyl-3-oxo-8-[3-(pyridin-2-yla...) Show SMILES CN1Cc2cc(OCCCNc3ccccn3)ccc2CC(CC(O)=O)C1=O Show InChI InChI=1S/C21H25N3O4/c1-24-14-17-12-18(28-10-4-9-23-19-5-2-3-8-22-19)7-6-15(17)11-16(21(24)27)13-20(25)26/h2-3,5-8,12,16H,4,9-11,13-14H2,1H3,(H,22,23)(H,25,26)	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	1.90	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50059133 (CHEMBL50106 | SB-223245 | {(S)-7-[(1H-Benzoimidazo...) Show SMILES CN(Cc1nc2ccccc2[nH]1)C(=O)c1ccc2N[C@@H](CC(O)=O)C(=O)N(C)Cc2c1 Show InChI InChI=1S/C22H23N5O4/c1-26-11-14-9-13(7-8-15(14)23-18(22(26)31)10-20(28)29)21(30)27(2)12-19-24-16-5-3-4-6-17(16)25-19/h3-9,18,23H,10-12H2,1-2H3,(H,24,25)(H,28,29)/t18-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	2	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50078714 (CHEMBL288493 | SB-265123 | {(S)-3-[3-(Pyridin-2-yl...) Show SMILES OC(=O)C[C@@H]1Cc2ccc(OCCCNc3ccccn3)cc2Cc2ccccc12 Show InChI InChI=1S/C25H26N2O3/c28-25(29)17-21-14-18-9-10-22(16-20(18)15-19-6-1-2-7-23(19)21)30-13-5-12-27-24-8-3-4-11-26-24/h1-4,6-11,16,21H,5,12-15,17H2,(H,26,27)(H,28,29)/t21-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	4	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083760 (CHEMBL86991 | [3-Oxo-8-[3-(pyridin-2-ylamino)-prop...) Show SMILES OC(=O)C[C@H]1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)/t16-/m1/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	20	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for Vitronectin receptor (alpha V beta 3)				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-IIb/beta-3 (Homo sapiens (Human))	BDBM50083761 (CHEMBL87429 | [3-Oxo-8-[3-(pyridin-2-ylamino)-prop...) Show SMILES OC(=O)C[C@@H]1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)/t16-/m0/s1	PDB KEGG UniProtKB/SwissProt B.MOAD DrugBank antibodypedia antibodypedia GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents Similars	PubMed	3.30E+3	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for alpha IIb beta3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-IIb/beta-3 (Homo sapiens (Human))	BDBM50083763 (CHEMBL86992 | [(S)-8-[2-(6-Methylamino-pyridin-2-y...) Show SMILES CNc1cccc(CCOc2ccc3C[C@@H](CC(O)=O)C(=O)N(CC(F)(F)F)Cc3c2)n1 Show InChI InChI=1S/C22H24F3N3O4/c1-26-19-4-2-3-17(27-19)7-8-32-18-6-5-14-9-15(11-20(29)30)21(31)28(12-16(14)10-18)13-22(23,24)25/h2-6,10,15H,7-9,11-13H2,1H3,(H,26,27)(H,29,30)/t15-/m0/s1	PDB KEGG UniProtKB/SwissProt B.MOAD DrugBank antibodypedia antibodypedia GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents	PubMed	3.80E+3	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for alpha IIb beta3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-IIb/beta-3 (Homo sapiens (Human))	BDBM50078714 (CHEMBL288493 | SB-265123 | {(S)-3-[3-(Pyridin-2-yl...) Show SMILES OC(=O)C[C@@H]1Cc2ccc(OCCCNc3ccccn3)cc2Cc2ccccc12 Show InChI InChI=1S/C25H26N2O3/c28-25(29)17-21-14-18-9-10-22(16-20(18)15-19-6-1-2-7-23(19)21)30-13-5-12-27-24-8-3-4-11-26-24/h1-4,6-11,16,21H,5,12-15,17H2,(H,26,27)(H,28,29)/t21-/m0/s1	PDB KEGG UniProtKB/SwissProt B.MOAD DrugBank antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	9.00E+3	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for alpha IIb beta3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-IIb/beta-3 (Homo sapiens (Human))	BDBM50083764 (CHEMBL421533 | [3-Oxo-8-[3-(pyridin-2-ylamino)-pro...) Show SMILES OC(=O)CC1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)	PDB KEGG UniProtKB/SwissProt B.MOAD DrugBank antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	9.00E+3	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for alpha IIb beta3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-IIb/beta-3 (Homo sapiens (Human))	BDBM50059133 (CHEMBL50106 | SB-223245 | {(S)-7-[(1H-Benzoimidazo...) Show SMILES CN(Cc1nc2ccccc2[nH]1)C(=O)c1ccc2N[C@@H](CC(O)=O)C(=O)N(C)Cc2c1 Show InChI InChI=1S/C22H23N5O4/c1-26-11-14-9-13(7-8-15(14)23-18(22(26)31)10-20(28)29)21(30)27(2)12-19-24-16-5-3-4-6-17(16)25-19/h3-9,18,23H,10-12H2,1-2H3,(H,24,25)(H,28,29)/t18-/m0/s1	PDB KEGG UniProtKB/SwissProt B.MOAD DrugBank antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	3.00E+4	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for alpha IIb beta3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-IIb/beta-3 (Homo sapiens (Human))	BDBM50083762 (CHEMBL314022 | {2-Methyl-3-oxo-8-[3-(pyridin-2-yla...) Show SMILES CN1Cc2cc(OCCCNc3ccccn3)ccc2CC(CC(O)=O)C1=O Show InChI InChI=1S/C21H25N3O4/c1-24-14-17-12-18(28-10-4-9-23-19-5-2-3-8-22-19)7-6-15(17)11-16(21(24)27)13-20(25)26/h2-3,5-8,12,16H,4,9-11,13-14H2,1H3,(H,22,23)(H,25,26)	PDB KEGG UniProtKB/SwissProt B.MOAD DrugBank antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	3.00E+4	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description Binding affinity for alpha IIb beta3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083763 (CHEMBL86992 | [(S)-8-[2-(6-Methylamino-pyridin-2-y...) Show SMILES CNc1cccc(CCOc2ccc3C[C@@H](CC(O)=O)C(=O)N(CC(F)(F)F)Cc3c2)n1 Show InChI InChI=1S/C22H24F3N3O4/c1-26-19-4-2-3-17(27-19)7-8-32-18-6-5-14-9-15(11-20(29)30)21(31)28(12-16(14)10-18)13-22(23,24)25/h2-6,10,15H,7-9,11-13H2,1H3,(H,26,27)(H,29,30)/t15-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents	PubMed	n/a	n/a	3	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083761 (CHEMBL87429 | [3-Oxo-8-[3-(pyridin-2-ylamino)-prop...) Show SMILES OC(=O)C[C@@H]1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)/t16-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents Similars	PubMed	n/a	n/a	12	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083764 (CHEMBL421533 | [3-Oxo-8-[3-(pyridin-2-ylamino)-pro...) Show SMILES OC(=O)CC1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	n/a	n/a	53	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50078714 (CHEMBL288493 | SB-265123 | {(S)-3-[3-(Pyridin-2-yl...) Show SMILES OC(=O)C[C@@H]1Cc2ccc(OCCCNc3ccccn3)cc2Cc2ccccc12 Show InChI InChI=1S/C25H26N2O3/c28-25(29)17-21-14-18-9-10-22(16-20(18)15-19-6-1-2-7-23(19)21)30-13-5-12-27-24-8-3-4-11-26-24/h1-4,6-11,16,21H,5,12-15,17H2,(H,26,27)(H,28,29)/t21-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	n/a	n/a	60	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083762 (CHEMBL314022 | {2-Methyl-3-oxo-8-[3-(pyridin-2-yla...) Show SMILES CN1Cc2cc(OCCCNc3ccccn3)ccc2CC(CC(O)=O)C1=O Show InChI InChI=1S/C21H25N3O4/c1-24-14-17-12-18(28-10-4-9-23-19-5-2-3-8-22-19)7-6-15(17)11-16(21(24)27)13-20(25)26/h2-3,5-8,12,16H,4,9-11,13-14H2,1H3,(H,22,23)(H,25,26)	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	n/a	n/a	75	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50059133 (CHEMBL50106 | SB-223245 | {(S)-7-[(1H-Benzoimidazo...) Show SMILES CN(Cc1nc2ccccc2[nH]1)C(=O)c1ccc2N[C@@H](CC(O)=O)C(=O)N(C)Cc2c1 Show InChI InChI=1S/C22H23N5O4/c1-26-11-14-9-13(7-8-15(14)23-18(22(26)31)10-20(28)29)21(30)27(2)12-19-24-16-5-3-4-6-17(16)25-19/h3-9,18,23H,10-12H2,1-2H3,(H,24,25)(H,28,29)/t18-/m0/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	n/a	n/a	145	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair
Integrin alpha-V/beta-3 (Homo sapiens (Human))	BDBM50083760 (CHEMBL86991 | [3-Oxo-8-[3-(pyridin-2-ylamino)-prop...) Show SMILES OC(=O)C[C@H]1Cc2ccc(OCCCNc3ccccn3)cc2CN(CC(F)(F)F)C1=O Show InChI InChI=1S/C22H24F3N3O4/c23-22(24,25)14-28-13-17-11-18(32-9-3-8-27-19-4-1-2-7-26-19)6-5-15(17)10-16(21(28)31)12-20(29)30/h1-2,4-7,11,16H,3,8-10,12-14H2,(H,26,27)(H,29,30)/t16-/m1/s1	PDB UniProtKB/SwissProt antibodypedia antibodypedia GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Patents Similars	PubMed	n/a	n/a	390	n/a	n/a	n/a	n/a	n/a	n/a
SmithKline Beecham Pharmaceuticals Curated by ChEMBL					Assay Description HEK cell adhesion mediated by alpha v beta 3 integrin				J Med Chem 43: 22-6 (2000) BindingDB Entry DOI: 10.7270/Q290230D
					More data for this Ligand-Target Pair