TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 2.5nM ΔG°: -49.1kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 3.30nM ΔG°: -48.4kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 3.80nM ΔG°: -48.1kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 3.90nM ΔG°: -48.0kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.20nM ΔG°: -47.8kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.30nM ΔG°: -47.8kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.30nM ΔG°: -47.8kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.40nM ΔG°: -47.7kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.60nM ΔG°: -47.6kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.70nM ΔG°: -47.5kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.70nM ΔG°: -47.5kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.80nM ΔG°: -47.5kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 4.90nM ΔG°: -47.4kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 5.70nM ΔG°: -47.1kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 2(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 12nM ΔG°: -45.2kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 2 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 25nM ΔG°: -43.4kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 25nM ΔG°: -43.4kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 27nM ΔG°: -43.2kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 31nM ΔG°: -42.9kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 33nM ΔG°: -42.7kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 35nM ΔG°: -42.6kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 36nM ΔG°: -42.5kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 40nM ΔG°: -42.2kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 42nM ΔG°: -42.1kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 44nM ΔG°: -42.0kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 44nM ΔG°: -42.0kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 52nM ΔG°: -41.6kJ/moleT: 2°CAssay Description:Transcriptional activation in CV-1 cells expressing Retinoid X receptor RXR alphaMore data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 52.1nM ΔG°: -41.6kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 53nM ΔG°: -41.5kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 55nM ΔG°: -41.4kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 56nM ΔG°: -41.4kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 60nM ΔG°: -41.2kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 62nM ΔG°: -41.1kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 66nM ΔG°: -41.0kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 67nM ΔG°: -40.9kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 67nM ΔG°: -40.9kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 71nM ΔG°: -40.8kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 73nM ΔG°: -40.7kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 74nM ΔG°: -40.7kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 76nM ΔG°: -40.6kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 80nM ΔG°: -40.5kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 101nM ΔG°: -39.9kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 102nM ΔG°: -39.9kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 134nM ΔG°: -39.2kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 146nM ΔG°: -39.0kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 12 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration ass...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 2(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 168nM ΔG°: -38.7kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 2 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 7(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 171nM ΔG°: -38.6kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 7 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 4(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 213nM ΔG°: -38.1kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 4 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair
TargetCarbonic anhydrase 12(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 220nMAssay Description:Transcriptional activation in CV-1 cells expressing Retinoid X receptor RXR alphaMore data for this Ligand-Target Pair
TargetCarbonic anhydrase 1(Homo sapiens (Human))
Aristotle University Of Thessaloniki
Curated by ChEMBL
Aristotle University Of Thessaloniki
Curated by ChEMBL
Affinity DataKi: 250nM ΔG°: -37.7kJ/moleT: 2°CAssay Description:Inhibition of human recombinant carbonic anhydrase 1 preincubated for 15 mins at room temperature/6 hrs at 4 deg C by stopped-flow CO2 hydration assa...More data for this Ligand-Target Pair