Structure of PDB 5e2n Chain A Binding Site BS02

Receptor Information
>5e2n Chain A (length=258) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SWGYREHNGPIHWKEFFPIADGDQQSPIEIKTKEVKYDSSLRPLSIKYDP
SSAKIISNSGHSFNVDFDDTENKSVLRGGPLTGSYRLRQVHLHWGSADDH
GSEHIVDGVSYAAELHVVHWNSDKYPSFVEAAHEPDGLAVLGVFLQIGEP
NSQLQKITDTLDSIKEKGKQTRFTNFDLLSLLPPSWDYWTYPGSLTVPPL
LESVTWIVLKQPINISSQQLAKFRSLLCTAEGEAAAFLVSNHRPPQPLKG
RKVRASFH
Ligand information
Ligand IDV14
InChIInChI=1S/C16H23F3N2O5S2/c17-11-12(18)16(27(23,24)9-8-22)14(13(19)15(11)28(20,25)26)21-10-6-4-2-1-3-5-7-10/h10,21-22H,1-9H2,(H2,20,25,26)
InChIKeyHFJJAVOBUVMVFQ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C1CCCC(CCC1)Nc2c(c(c(c(c2S(=O)(=O)CCO)F)F)S(=O)(=O)N)F
CACTVS 3.385N[S](=O)(=O)c1c(F)c(F)c(c(NC2CCCCCCC2)c1F)[S](=O)(=O)CCO
ACDLabs 12.01O=S(=O)(N)c2c(F)c(NC1CCCCCCC1)c(c(F)c2F)S(=O)(=O)CCO
FormulaC16 H23 F3 N2 O5 S2
Name3-(cyclooctylamino)-2,5,6-trifluoro-4-[(2-hydroxyethyl)sulfonyl]benzenesulfonamide
ChEMBLCHEMBL3359181
DrugBank
ZINCZINC000208946432
PDB chain5e2n Chain A Residue 307 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5e2n Intrinsic Thermodynamics and Structures of 2,4- and 3,4-Substituted Fluorinated Benzenesulfonamides Binding to Carbonic Anhydrases.
Resolution1.53 Å
Binding residue
(original residue number in PDB)
W7 S64 H66 S67 N69 Q94 H96 H98 V123 F133 L200 T201 V202
Binding residue
(residue number reindexed from 1)
W2 S59 H61 S62 N64 Q89 H91 H93 V118 F128 L195 T196 V197
Annotation score1
Binding affinityMOAD: Kd=0.29nM
PDBbind-CN: -logKd/Ki=9.54,Kd=0.29nM
BindingDB: Kd=42nM
Enzymatic activity
Catalytic site (original residue number in PDB) H66 H96 H98 E108 H121 T201
Catalytic site (residue number reindexed from 1) H61 H91 H93 E103 H116 T196
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016829 lyase activity
GO:0046872 metal ion binding
Biological Process
GO:0006730 one-carbon metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0043209 myelin sheath
GO:0043231 intracellular membrane-bounded organelle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:5e2n, PDBe:5e2n, PDBj:5e2n
PDBsum5e2n
PubMed28001003
UniProtQ8N1Q1|CAH13_HUMAN Carbonic anhydrase 13 (Gene Name=CA13)

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