Structure of PDB 6hfy Chain A

Receptor sequence

>6hfyA (length=389) Species: 383550 (Influenza A virus (A/duck/England/1/1956(H11N6)))

RTFLNLTKPLCEVNSWHILSKDNAIRIGEDAHILVTREPYLSCDPQGCRM
FALSQGTTLRGRHANGTIHDRSPFRALISWEMGQAPSPYNTRVECIGWSS
TSCHDGMSRMSICMSGPNNNASAVVWYGGRPITEIPSWAGNILRTQESEC
VCHKGVCPVVMTDGPANNRAATKIIYFKEGKIQKIEELAGNAQHIEECSC
YGAGGVIKCICRDNWKGANRPVITIDPEMMTHTSKYLCSKVLTDTSRPND
PTNGNCDAPITGGSPDPGVKGFAFLDGENSWLGRTISKDSRSGYEMLKVP
NAETDIQSGPISNQVIVNNQNWSGYSGAFIDYWANKECFNPCFYVELIRG
RPKESSVLWTSNSIVALCGSKKRLGSWSWHDGAEIIYFE

3D structure

• PDB: 6hfy High Resolution Structures of Viral Neuraminidase with Drugs Bound in the Active Site. (In preparation)
• Chain: A
• Resolution: 1.65 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): D151 E278 R293 R372 Y406
• Catalytic site (residue number reindexed from 1): D70 E197 R212 R291 Y325
• 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	BMA	A	I392 S393 N394	I311 S312 N313
BS02	MAN	A	P391 N394	P310 N313
BS03	MAN	A	E376 N394	E295 N313
BS04	MAN	A	D331 R365	D250 R284
BS05	DAN	A	R118 E119 D151 R152 W179 A247 E277 R293 R372 Y406	R37 E38 D70 R71 W98 A166 E196 R212 R291 Y325
BS06	CA	A	D294 G298 D325 P348	D213 G217 D244 P267

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

External links

• PDB: RCSB:6hfy, PDBe:6hfy, PDBj:6hfy
• PDBsum: 6hfy
• UniProt: Q6XV27|NRAM_I56A2 Neuraminidase (Gene Name=NA)