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HIT212726571
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HIT212726571
  • HIT ID:HIT212726571
  • Cas No:73630-23-6
  • 常用名:Quin-2 (potassium salt)
  • IUPAC:tetrapotassium 2-{[2-({2-[bis(carboxylatomethyl)amino]-5-methylphenoxy}methyl)-6-methoxyquinolin-8-yl](carboxylatomethyl)amino}acetate
    IUPAC:tetrapotassium 2-{[2-({2-[bis(carboxylatomethyl)amino]-5-methylphenoxy}methyl)-6-methoxyquinolin-8-yl](carboxylatomethyl)amino}acetate
  • InChI key:XAGUNWDMROKIFJ-UHFFFAOYSA-J
  • 分子式:C26H23K4N3O10
  • 分子量:693.874
  • 氢键供体数 (HBD):0
  • 氢键受体数 (HBA):13
  • LogP:1.613995
  • SMILES:[K+].[K+].[K+].[K+].COc1cc(N(CC([O-])=O)CC([O-])=O)c2nc(COc3cc(C)ccc3N(CC([O-])=O)CC([O-])=O)ccc2c1
    SMILES:[K+].[K+].[K+].[K+].COc1cc(N(CC([O-])=O)CC([O-])=O)c2nc(COc3cc(C)ccc3N(CC([O-])=O)CC([O-])=O)ccc2c1
  • Quin-2 is a high-affinity fluorescent calcium indicator (Kd = 115 nM for calcium). It displays high selectivity for calcium, as it is not affected by sodium gradients, membrane potential, or intracellular pH. High affinity probes like quin-2 are ideal for monitoring low levels of calcium, as are found in resting cells. Loadings of up to 2 mM quin-2 are without serious toxic effects, so quin-2 may be used to buffer intracellular calcium transients. Excitation/emission maxima for quin-2 are 339 and 492 nm, respectively.
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    TargetMolSC
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    AA BlocksBB
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    4-6周
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    待询
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