Structure of PDB 1w20 Chain B Binding Site BS07

Receptor Information
>1w20 Chain B (length=389) Species: 11320 (Influenza A virus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RTFLNLTKPLCEVNSWHILSKDNAIRIGEDAHILVTREPYLSCDPQGCRM
FALSQGTTLRGRHANGTIHDRSPFRALISWEMGQAPSPYNTRVECIGWSS
TSCHDGMSRMSICMSGPNNNASAVVWYGGRPITEIPSWAGNILRTQESEC
VCHKGVCPVVMTDGPANNRAATKIIYFKEGKIQKIEELAGNAQHIEECSC
YGAGGVIKCICRDNWKGANRPVITIDPEMMTHTSKYLCSKVLTDTSRPND
PTNGNCDAPITGGSPDPGVKGFAFLDGENSWLGRTISKDSRSGYEMLKVP
NAETDIQSGPISNQVIVNNQNWSGYSGAFIDYWANKECFNPCFYVELIRG
RPKESSVLWTSNSIVALCGSKKRLGSWSWHDGAEIIYFE
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1w20 Chain B Residue 2487 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1w20 The Crystal Structure of Type a Influenza Virus Neuraminidase of the N6 Subtype Reveals the Existence of Two Separate Neu5Ac Binding Sites
Resolution2.08 Å
Binding residue
(original residue number in PDB)		D1300 G1304 D1331 P1354
Binding residue
(residue number reindexed from 1)		D213 G217 D244 P267
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) R1299 Y1412
Catalytic site (residue number reindexed from 1) R212 Y325
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
Gene Ontology
Molecular Function
GO:0004308 exo-alpha-sialidase activity
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0016020 membrane
GO:0033644 host cell membrane
GO:0055036 virion membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1w20, PDBe:1w20, PDBj:1w20
PDBsum1w20
PubMed
UniProtQ6XV27|NRAM_I56A2 Neuraminidase (Gene Name=NA)

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