2026-10-10_00000157|ligand|9SW7

Crystal structure of human carbonic anhydrase II in complex with 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-N-(4-sulfamoylbenzyl)benzenesulfonamide; X-ray diffraction 1.39Å
Protein #1 260 residues (99% resolved)

MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK

MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
Non polymer #2 A1JQ5

InChI=1S/C24H28N6O6S2/c1-4-6-19-21-22(30(3)29-19)24(31)28-23(27-21)18-13-17(11-12-20(18)36-5-2)38(34,35)26-14-15-7-9-16(10-8-15)37(25,32)33/h7-13,26H,4-6,14H2,1-3H3,(H2,25,32,33)(H,27,28,31)

CCCc1c2c(n(n1)C)C(=O)NC(=N2)c3cc(ccc3OCC)S(=O)(=O)NCc4ccc(cc4)S(=O)(=O)N
Non polymer #3 ZN

InChI=1S/Zn/q+2

[Zn+2]
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Reference