Structure of PDB 2f25 Chain A Binding Site BS01

Receptor Information
>2f25 Chain A (length=373) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MASLPVLQKESVFQSGAHAYRIPALLYLPGQQSLLAFAEQRASKKDEHAE
LIVLRRGDYDAPTHQVQWQAQEVVAQARLDGHRSMNPCPLYDAQTGTLFL
FFIAIPGQVTQQQQLQTRANVTRLCQVTSTDHGRTWSSPRDLTDAAIGPA
YREWSTFAVGPGHCLQLNDRARSLVVPAYAYRKLHPIQRPIPSAFCFLSH
DHGRTWARGHFVAQDTLECQVAEVETGEQRVVTLNARSHLRARVQAQSTN
DGLDFQESQLVKKLVEPPPQGCQGSVISFPSPRSPAQWLLYTHPTHSWQR
ADLGAYLNPRPPAPEAWSEPVLLAKGSCAYSDLQSMGTGPDGSPLFGCLY
EANDYEEIVFLMFTLKQAFPAEY
Ligand information
Ligand IDDAN
InChIInChI=1S/C11H17NO8/c1-4(14)12-8-5(15)2-7(11(18)19)20-10(8)9(17)6(16)3-13/h2,5-6,8-10,13,15-17H,3H2,1H3,(H,12,14)(H,18,19)/t5-,6+,8+,9+,10+/m0/s1
InChIKeyJINJZWSZQKHCIP-UFGQHTETSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)C=1OC(C(O)C(O)CO)C(NC(=O)C)C(O)C=1
OpenEye OEToolkits 1.5.0CC(=O)NC1C(C=C(OC1C(C(CO)O)O)C(=O)O)O
OpenEye OEToolkits 1.5.0CC(=O)N[C@@H]1[C@H](C=C(O[C@H]1[C@@H]([C@@H](CO)O)O)C(=O)O)O
CACTVS 3.341CC(=O)N[C@@H]1[C@@H](O)C=C(O[C@H]1[C@H](O)[C@H](O)CO)C(O)=O
CACTVS 3.341CC(=O)N[CH]1[CH](O)C=C(O[CH]1[CH](O)[CH](O)CO)C(O)=O
FormulaC11 H17 N O8
Name2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID;
Neu5Ac2en
ChEMBLCHEMBL96712
DrugBankDB03991
ZINCZINC000004096465
PDB chain2f25 Chain A Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2f25 Crystal Structure of the Human Sialidase Neu2 E111Q Mutant in Complex with DANA Inhibitor
Resolution1.95 Å
Binding residue
(original residue number in PDB)
R21 D46 Q111 Y179 Y181 E218 R237 R304 Y334
Binding residue
(residue number reindexed from 1)
R21 D46 Q111 Y179 Y181 E218 R237 R300 Y330
Annotation score1
Binding affinityBindingDB: Ki=25000nM,IC50=37000nM
Enzymatic activity
Catalytic site (original residue number in PDB) D46 E218
Catalytic site (residue number reindexed from 1) D46 E218
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
Gene Ontology
Molecular Function
GO:0004308 exo-alpha-sialidase activity
GO:0005515 protein binding
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0006516 glycoprotein catabolic process
GO:0006689 ganglioside catabolic process
GO:0009313 oligosaccharide catabolic process
GO:0016042 lipid catabolic process
GO:0046479 glycosphingolipid catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005764 lysosome
GO:0005829 cytosol
GO:0016020 membrane
GO:1902494 catalytic complex

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2f25, PDBe:2f25, PDBj:2f25
PDBsum2f25
PubMed
UniProtQ9Y3R4|NEUR2_HUMAN Sialidase-2 (Gene Name=NEU2)

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