TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 4nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 4nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 4.30nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 4.90nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 5.20nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 5.70nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 5.70nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 5.80nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 5.90nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 6nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 6.20nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 6.70nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 6.80nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 7.20nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 7.40nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 7.5nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 7.70nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 7.80nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 8.40nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 8.90nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 9.20nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 9.70nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 10nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 11nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 11.1nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 11.6nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 12nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 12.2nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 12.4nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 13nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 13nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 14nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 15nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 16nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 18.9nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 19.3nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 27nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 30.7nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 31.1nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 32.4nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 37nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 39nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 44nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataKi: 47.1nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl2 2 mM DTT) and Stop buffer, (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Re...More data for this Ligand-Target Pair
TargetGag-Pol polyprotein [600-1027,P835L]/[600-1155,P835L](Human immunodeficiency virus type 1)
Boehringer Ingelheim Pharmaceuticals
Boehringer Ingelheim Pharmaceuticals
Affinity DataIC50: <1nMAssay Description:The IC50 of reverse transcriptase is the concentration that inhibits 50% of recombinant HIV-1 RT RNA-directed DNA polymerase activity in vitro.More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataIC50: 4nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl22 mM DTT) and Stop buffer (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Reag...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataIC50: 4nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl22 mM DTT) and Stop buffer (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Reag...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataIC50: 4.30nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl22 mM DTT) and Stop buffer (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Reag...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataIC50: 4.90nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl22 mM DTT) and Stop buffer (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Reag...More data for this Ligand-Target Pair
TargetMast/stem cell growth factor receptor Kit(Homo sapiens (Human))
Inhibikase Therapeutics
US Patent
Inhibikase Therapeutics
US Patent
Affinity DataIC50: 5.20nMAssay Description:Kinase base buffer (50 mM HEPES, pH 7.5 0.0015% Brij-35; 10 mM MgCl22 mM DTT) and Stop buffer (100 mM HEPES, pH 7.5 0.015% Brij-35; 0.2% Coating Reag...More data for this Ligand-Target Pair