Structure of PDB 4b7r Chain B

Receptor sequence
>4b7rB (length=387) Species: 641809 (Influenza A virus (A/California/07/2009(H1N1))) [Search protein sequence]
VKLAGNSSLCPVSGWAIYSKDNSVRIGSKGDVFVIREPFISCSPLECRTF
FLTQGALLNDKHSNGTIKDRSPYRTLMSCPIGEVPSPYNSRFESVAWSAS
ACHDGINWLTIGISGPDNGAVAVLKYNGIITDTIKSWRNNILRTQESECA
CVNGSCFTVMTDGPSNGQASYKIFRIEKGKIVKSVEMNAPNYHYEECSCY
PDSSEITCVCRDNWHGSNRPWVSFNQNLEYQIGYICSGIFGDNPRPNDKT
GSCGPVSSNGANGVKGFSFKYGNGVWIGRTKSISSRNGFEMIWDPNGWTG
TDNNFSIKQDIVGINEWSGYSGSFVQHPELTGLDCIRPCFWVELIRGRPK
ENTIWTSGSSISFCGVNSDTVGWSWPDGAELPFTIDK
3D structure
PDB4b7r H1N1 2009 Pandemic Influenza Virus: Resistance of the I223R Neuraminidase Mutant Explained by Kinetic and Structural Analysis
ChainB
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D151 E278 R293 R368 Y402
Catalytic site (residue number reindexed from 1) D69 E196 R211 R286 Y320
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA B D294 G298 D324 G342 N344 D212 G216 D242 G260 N262
BS02 CA B D376 N378 D384 N386 D294 N296 D302 N304
BS03 G39 B R118 E119 D151 R152 R225 E277 R293 N295 R368 Y402 R36 E37 D69 R70 R143 E195 R211 N213 R286 Y320 MOAD: Ki=0.23nM
Gene Ontology
Molecular Function
GO:0004308 exo-alpha-sialidase activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0046761 viral budding from plasma membrane
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:4b7r, PDBe:4b7r, PDBj:4b7r
PDBsum4b7r
PubMed23028314
UniProtC7FH46

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