2VIU: Influenza virus hemagglutinin

Influenza virus hemagglutinin. Determined by X-ray diffraction at 2.5 Å resolution. Released 29 Apr 1998.

Method
X-ray diffraction
Resolution
2.5 Å
Organisms
Influenza A virus (A/X-31(H3N2)), unidentified influenza virus
Chains
2
Atoms
4,104
Mol. weight
57.98 kDa
Ligands
NAG
Released
29 Apr 1998

Explore 2VIU in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2VIU contains 12 α-helices and 47 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 6 helices, 39 β-strands

ElementResiduesLengthSheet
β-strand11-1771
β-strand18-1922
β-strand24-2633
β-strand34-3633
β-strand39-4134
β-strand43-4425
β-strand51-5446
β-strand58-6037
α-helix66-716
α-helix74-796
β-strand8318
β-strand86-8947
β-strand100-10129
α-helix105-11511
β-strand11718
β-strand120-12239
β-strand130-131210
β-strand136-141611
β-strand144-146311
β-strand151-15339
β-strand155-156210
β-strand157112
β-strand160112
β-strand164-169613
β-strand176-18499
α-helix188-1958
β-strand201-205513
β-strand210-213413
β-strand223114
β-strand226114
β-strand229-23799
β-strand242-249813
β-strand251-25449
β-strand256-25949
β-strand266-26947
α-helix272-2732
β-strand274-27856
β-strand281-283315
β-strand286-288315
β-strand294-29525
β-strand302-304315
α-helix3061
β-strand307-30825
β-strand315-31734
β-strand32113
Chain B: 6 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand6116
β-strand10116
β-strand14-1522
β-strand22-2871
β-strand31-3771
α-helix38-5518
α-helix59-602
β-strand61-62215
α-helix76-12651
α-helix127-1293
β-strand130-13231
β-strand137-14041
α-helix146-1538
α-helix159-17012

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
HemagglutininAprotein328Influenza A virus (A/X-31(H3N2))P03437
HemagglutininBprotein175unidentified influenza virusP03437
Sequence of entity 1 (A), FASTA
>2VIU_1 HEMAGGLUTININ (chains A)
QDLPGNDNSTATLCLGHHAVPNGTLVKTITDDQIEVTNATELVQSSSTGKICNNPHRILD
GIDCTLIDALLGDPHCDVFQNETWDLFVERSKAFSNCYPYDVPDYASLRSLVASSGTLEF
ITEGFTWTGVIQNGGSNACKRGPGSGFFSRLNWLTKSGSTYPVLNVTMPNNDNFDKLYIW
GIHHPSTNQEQTSLYVQASGRVTVSTRRSQQTIIPNIGSRPWVRGLSSRISIYWTIVKPG
DVLVINSNGNLIAPRGYFKMRTGKSSIMRSDAPIDTCISECITPNGSIPNDKPFQNVNKI
TYGACPKYVKQNTLKLATGMRNVPEKQT
Sequence of entity 2 (B), FASTA
>2VIU_2 HEMAGGLUTININ (chains B)
GLFGAIAGFIENGWEGMIDGWYGFRHQNSEGTGQAADLKSTQAAIDQINGKLNRVIEKTN
EKFHQIEKEFSEVEGRIQDLEKYVEDTKIDLWSYNAELLVALENQHTIDLTDSEMNKLFE
KTRRQLRENAEEMGNGCFKIYHKCDNACIESIRNGTYDHDVYRDEALNNRFQIKG

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O65

Primary citation

Antigen distortion allows influenza virus to escape neutralization. Fleury, D., Wharton, S.A., Skehel, J.J. et al. Nat Struct Biol (1998) 5:119-123. DOI 10.1038/nsb0298-119 · PubMed

Other PDB entries of the same protein (UniProt P03437), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 2VIU directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.