BindingDB PrimarySearch

Found 26 hits of ic50 for UniProtKB: P39045
Target/Host (Institution)	Ligand	Target/Host Links	Ligand Links	Trg + Lig Links	Ki nM	ΔG° kcal/mole	IC50 nM	Kd nM	EC50/IC50 nM	k_off s^-1	k_on M^-1s^-1	pH	Temp °C
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337101 ((S)-1-(2-(Naphthalen-2-ylcarbonyl)benzamido)ethane...) Show SMILES Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	80	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337094 ((S)-1-(2-Fluoro-6-phenylbenzamido)ethaneboronic ac...) Show SMILES Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	270	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337100 ((S)-1-(2-[(Phenylsulfonyl)amino]benzamido)ethanebo...) Show SMILES Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	370	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337095 ((S)-1-(2,6-Difluorobenzamido)ethaneboronic acid \| ...) Show SMILES C[C@@H](NC(=O)c1c(F)cccc1F)B(O)O \|r\| Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	500	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50385268 (CHEMBL2035292) Show SMILES OB(O)CNC(=O)c1ccccc1[N+]([O-])=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	600	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50385267 (CHEMBL2035284) Show SMILES COc1cccc(OC)c1C(=O)NCB(O)O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid PDB UniChem	PDB Article PubMed	n/a	n/a	1.30E+3	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair				3D Structure (crystal)
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337093 ((S)-1-(2-Phenylbenzamido)ethaneboronic acid \| CHEM...) Show SMILES Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	1.31E+3	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337092 ((S)-1-(2-Benzylbenzamido)ethaneboronic acid \| CHEM...) Show SMILES Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	1.80E+3	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337091 ((S)-1-(1-Benzothiophene-5-carboxamido)ethaneboroni...) Show SMILES C[C@@H](NC(=O)c1ccc2sccc2c1)B(O)O \|r\| Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	2.20E+3	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337098 ((R)-1-(2,6-Difluorobenzamido)ethaneboronic acid \| ...) Show SMILES C[C@H](NC(=O)c1c(F)cccc1F)B(O)O \|r\| Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	3.30E+3	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337096 ((S)-1-(2,6-Dichlorobenzamido)ethaneboronic acid \| ...) Show SMILES C[C@@H](NC(=O)c1c(Cl)cccc1Cl)B(O)O \|r\| Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	4.20E+3	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337099 ((R)-1-(2-Benzylbenzamido)ethaneboronic acid \| CHEM...) Show SMILES Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	7.20E+3	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337090 ((S)-1-(Naphthalene-2-carboxamido)ethaneboronic aci...) Show SMILES C[C@@H](NC(=O)c1ccc2ccccc2c1)B(O)O \|r\| Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	1.40E+4	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50385266 (CHEMBL2035295) Show SMILES OB(O)CNC(=O)c1ccccc1C(F)(F)F Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	1.50E+4	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50300661 (3-borono-5-(2-methoxybenzamido)benzoic acid \| CHEM...) Show SMILES COc1ccccc1C(=O)Nc1cc(cc(c1)C(O)=O)B(O)O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	2.30E+4	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50300664 (3-borono-5-(2-phenoxyacetamido)benzoic acid \| CHEM...) Show SMILES OB(O)c1cc(NC(=O)COc2ccccc2)cc(c1)C(O)=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	2.80E+4	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50300662 (3-borono-5-(thiophene-2-carboxamido)benzoic acid \|...) Show SMILES OB(O)c1cc(NC(=O)c2cccs2)cc(c1)C(O)=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	3.20E+4	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50300660 (3-benzamido-5-boronobenzoic acid \| CHEMBL575719) Show SMILES OB(O)c1cc(NC(=O)c2ccccc2)cc(c1)C(O)=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	3.40E+4	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50385262 (CHEMBL2035285) Show SMILES OB(O)CNC(=O)c1c(F)cccc1F Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	Purchase CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	3.50E+4	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50337097 ((S)-1-(2-(Propan-2-yl)benzamido)ethaneboronic acid...) Show SMILES CC(C)c1ccccc1C(=O)N[C@H](C)B(O)O \|r\| Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	5.90E+4	n/a	n/a	n/a	n/a	n/a	n/a
TBA Curated by ChEMBL					Assay Description Inhibition of Actinomadura R39 PBP after 60 mins				ACS Med Chem Lett 2: 219-223 (2011) Article DOI: 10.1021/ml100260x BindingDB Entry DOI: 10.7270/Q25H7GJZ
TBA Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50300663 (3-borono-5-(2-(thiophen-2-yl)acetamido)benzoic aci...) Show SMILES OB(O)c1cc(NC(=O)Cc2cccs2)cc(c1)C(O)=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid PDB UniChem	Article PubMed	n/a	n/a	7.80E+4	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50385263 (CHEMBL2035289) Show SMILES OB(O)CNC(=O)c1ccccc1Cl Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	Purchase CHEMBL PC cid PC sid PDB UniChem Similars	PDB Article PubMed	n/a	n/a	8.50E+4	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair				3D Structure (crystal)
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50300659 (3-borono-5-(2-phenylacetamido)benzoic acid \| CHEMB...) Show SMILES OB(O)c1cc(NC(=O)Cc2ccccc2)cc(c1)C(O)=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem	Article PubMed	n/a	n/a	8.80E+4	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM39809 (Acylglycineboronic acid, 6) Show SMILES OB(O)CNC(=O)Cc1ccccc1 Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	PC cid PC sid PDB UniChem	PDB Article PubMed	n/a	n/a	3.20E+5	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair				3D Structure (crystal)
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50067893 (3-Carboxyphenylboronicacid \| 3-boronobenzoic acid ...) Show SMILES OB(O)c1cccc(c1)C(O)=O Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	Purchase CHEMBL MCE PC cid PC sid UniChem Patents	Article PubMed	n/a	n/a	4.00E+5	n/a	n/a	n/a	n/a	n/a	n/a
University of Oxford Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 penicillin-binding protein preincubated for 60 mins before addition of substrate mixture of (R)-[2-(benzoylamino)p...				J Med Chem 52: 6097-106 (2009) Article DOI: 10.1021/jm9009718 BindingDB Entry DOI: 10.7270/Q2G73DSS
University of Oxford Curated by ChEMBL					More data for this Ligand-Target Pair
D-alanyl-D-alanine carboxypeptidase (Actinomadura sp. (strain R39))	BDBM50385270 (CHEMBL2035291) Show SMILES OB(O)CNC(=O)c1ccccc1F Show InChI	PDB MMDB UniProtKB/SwissProt B.MOAD DrugBank GoogleScholar AffyNet	CHEMBL PC cid PC sid UniChem Similars	Article PubMed	n/a	n/a	5.05E+5	n/a	n/a	n/a	n/a	n/a	n/a
Universit£ de Li£ge Curated by ChEMBL					Assay Description Inhibition of Actinomadura sp. R39 PBP using S2d as substrate incubated for 60 mins prior to substrate addition by DTNB-based spectrophotometry				Bioorg Med Chem 20: 3915-24 (2012) Article DOI: 10.1016/j.bmc.2012.04.018 BindingDB Entry DOI: 10.7270/Q200034N
Universit£ de Li£ge Curated by ChEMBL					More data for this Ligand-Target Pair