9NRT | pdb_00009nrt

Crystal structure of the H5 influenza virus hemagglutinin from A/duck/France/161108h/2016 (H5N8) clade 2.3.4.4b in complex with O-linked glycan 25

PDB DOI: https://doi.org/10.2210/pdb9NRT/pdb

Classification: VIRAL PROTEIN
Organism(s): Influenza A virus, Homo sapiens
Expression System: Trichoplusia ni
Mutation(s): No

Deposited: 2025-03-14 Released: 2026-01-14
Deposition Author(s): Zhu, X., Wilson, I.A.
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.98 Å
R-Value Free:
0.189 (Depositor), 0.188 (DCC)
R-Value Work:
0.165 (Depositor), 0.165 (DCC)
R-Value Observed:
0.166 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

H5Nx influenza A viruses evolved their receptor binding properties to bind to avian-type mucin-like O-glycans promiscuously

Weber, J., Ponse, N.L.D., Zhu, X., carrasco, M.R., Han, A.X., Funk, M., Lin, T.H., Garcia, A.G., Spruit, C.M., Zhang, D., Yu, W., Liu, L., Wilson, I.A., Richard, M., Boons, G.J., de Vries, R.P.

To be published.

Macromolecule Content

Total Structure Weight: 187.96 kDa
Atom Count: 14,468
Modeled Residue Count: 1,495
Deposited Residue Count: 1,550
Unique protein chains: 3

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin HA1 chain	A, C, E	329	Influenza A virus	Mutation(s): 0 Gene Names: HA
UniProt
Find proteins for A0A6M2RJB8 (Influenza A virus) Explore A0A6M2RJB8 Go to UniProtKB: A0A6M2RJB8
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A6M2RJB8
Glycosylation
Glycosylation Sites: 2	Glycosylation Focus chain A Focus chain C Focus chain E
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin HA2 chain	B, D, F	181	Influenza A virus	Mutation(s): 0 Gene Names: HA
UniProt
Find proteins for A0A6M2RJB8 (Influenza A virus) Explore A0A6M2RJB8 Go to UniProtKB: A0A6M2RJB8
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A6M2RJB8
Glycosylation
Glycosylation Sites: 1	Glycosylation Focus chain B Focus chain D Focus chain F
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptide linker	G, H, I, J	5	Homo sapiens	Mutation(s): 0
Glycosylation
Glycosylation Sites: 1	Glycosylation Focus chain G Focus chain H Focus chain I Focus chain J
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

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Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	K	5		N-Glycosylation	Interactions Focus chain K Interactions & Density Focus chain K

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	L	3		N-Glycosylation	Interactions Focus chain L Interactions & Density Focus chain L

Entity ID: 6
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose	M, O	3		N-Glycosylation	Interactions Focus chain M Focus chain O Interactions & Density Focus chain M Focus chain O

Entity ID: 7
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	N	4		N-Glycosylation	Interactions Focus chain N Interactions & Density Focus chain N

Entity ID: 8
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	P	3		N-Glycosylation	Interactions Focus chain P Interactions & Density Focus chain P

Entity ID: 9
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose	Q	4		N-Glycosylation	Interactions Focus chain Q Interactions & Density Focus chain Q

Entity ID: 10
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-alpha-D-galactopyranose	R [auth l]	4		N/A	Interactions Focus chain R [auth l] Interactions & Density Focus chain R [auth l]

Entity ID: 11
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-alpha-D-galactopyranose	S [auth R], T [auth S], U [auth T], V [auth U]	2		O-Glycosylation	Interactions Focus chain S [auth R] Focus chain T [auth S] Focus chain U [auth T] Focus chain V [auth U] Interactions & Density Focus chain S [auth R] Focus chain T [auth S] Focus chain U [auth T] Focus chain V [auth U]

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAG (Subject of Investigation/LOI) Query on NAG Download Ideal Coordinates CCD File SDF format, chain OA [auth C] SDF format, chain FB [auth E] MOL2 format, chain OA [auth C] MOL2 format, chain FB [auth E] mmCIF format, chain OA [auth C] mmCIF format, chain FB [auth E]	FB [auth E], OA [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain FB [auth E] Focus chain OA [auth C] Interactions & Density Focus chain FB [auth E] Focus chain OA [auth C]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain ZA [auth C] SDF format, chain YA [auth C] SDF format, chain XA [auth C] SDF format, chain WA [auth C] SDF format, chain VB [auth E] SDF format, chain VA [auth C] SDF format, chain UB [auth E] SDF format, chain TB [auth E] SDF format, chain SB [auth E] SDF format, chain RB [auth E] SDF format, chain QB [auth E] SDF format, chain PB [auth E] SDF format, chain LA [auth A] SDF format, chain KA [auth A] SDF format, chain JA [auth A] SDF format, chain IA [auth A] SDF format, chain HA [auth A] SDF format, chain GA [auth A] SDF format, chain FA [auth A] SDF format, chain EA [auth A] SDF format, chain DB [auth C] SDF format, chain DA [auth A] SDF format, chain CB [auth C] SDF format, chain CA [auth A] SDF format, chain BB [auth C] SDF format, chain AB [auth C] MOL2 format, chain ZA [auth C] MOL2 format, chain YA [auth C] MOL2 format, chain XA [auth C] MOL2 format, chain WA [auth C] MOL2 format, chain VB [auth E] MOL2 format, chain VA [auth C] MOL2 format, chain UB [auth E] MOL2 format, chain TB [auth E] MOL2 format, chain SB [auth E] MOL2 format, chain RB [auth E] MOL2 format, chain QB [auth E] MOL2 format, chain PB [auth E] MOL2 format, chain LA [auth A] MOL2 format, chain KA [auth A] MOL2 format, chain JA [auth A] MOL2 format, chain IA [auth A] MOL2 format, chain HA [auth A] MOL2 format, chain GA [auth A] MOL2 format, chain FA [auth A] MOL2 format, chain EA [auth A] MOL2 format, chain DB [auth C] MOL2 format, chain DA [auth A] MOL2 format, chain CB [auth C] MOL2 format, chain CA [auth A] MOL2 format, chain BB [auth C] MOL2 format, chain AB [auth C] mmCIF format, chain ZA [auth C] mmCIF format, chain YA [auth C] mmCIF format, chain XA [auth C] mmCIF format, chain WA [auth C] mmCIF format, chain VB [auth E] mmCIF format, chain VA [auth C] mmCIF format, chain UB [auth E] mmCIF format, chain TB [auth E] mmCIF format, chain SB [auth E] mmCIF format, chain RB [auth E] mmCIF format, chain QB [auth E] mmCIF format, chain PB [auth E] mmCIF format, chain LA [auth A] mmCIF format, chain KA [auth A] mmCIF format, chain JA [auth A] mmCIF format, chain IA [auth A] mmCIF format, chain HA [auth A] mmCIF format, chain GA [auth A] mmCIF format, chain FA [auth A] mmCIF format, chain EA [auth A] mmCIF format, chain DB [auth C] mmCIF format, chain DA [auth A] mmCIF format, chain CB [auth C] mmCIF format, chain CA [auth A] mmCIF format, chain BB [auth C] mmCIF format, chain AB [auth C]	AB [auth C] BB [auth C] CA [auth A] CB [auth C] DA [auth A] AB [auth C], BB [auth C], CA [auth A], CB [auth C], DA [auth A], DB [auth C], EA [auth A], FA [auth A], GA [auth A], HA [auth A], IA [auth A], JA [auth A], KA [auth A], LA [auth A], PB [auth E], QB [auth E], RB [auth E], SB [auth E], TB [auth E], UB [auth E], VA [auth C], VB [auth E], WA [auth C], XA [auth C], YA [auth C], ZA [auth C]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain AB [auth C] Focus chain BB [auth C] Focus chain CA [auth A] Focus chain CB [auth C] Focus chain DA [auth A] Focus chain DB [auth C] Focus chain EA [auth A] Focus chain FA [auth A] Focus chain GA [auth A] Focus chain HA [auth A] Focus chain IA [auth A] Focus chain JA [auth A] Focus chain KA [auth A] Focus chain LA [auth A] Focus chain PB [auth E] Focus chain QB [auth E] Focus chain RB [auth E] Focus chain SB [auth E] Focus chain TB [auth E] Focus chain UB [auth E] Focus chain VA [auth C] Focus chain VB [auth E] Focus chain WA [auth C] Focus chain XA [auth C] Focus chain YA [auth C] Focus chain ZA [auth C] Interactions & Density Focus chain AB [auth C] Focus chain BB [auth C] Focus chain CA [auth A] Focus chain CB [auth C] Focus chain DA [auth A] Focus chain DB [auth C] Focus chain EA [auth A] Focus chain FA [auth A] Focus chain GA [auth A] Focus chain HA [auth A] Focus chain IA [auth A] Focus chain JA [auth A] Focus chain KA [auth A] Focus chain LA [auth A] Focus chain PB [auth E] Focus chain QB [auth E] Focus chain RB [auth E] Focus chain SB [auth E] Focus chain TB [auth E] Focus chain UB [auth E] Focus chain VA [auth C] Focus chain VB [auth E] Focus chain WA [auth C] Focus chain XA [auth C] Focus chain YA [auth C] Focus chain ZA [auth C]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain AA [auth A] SDF format, chain BA [auth A] SDF format, chain EB [auth D] SDF format, chain GB [auth E] SDF format, chain HB [auth E] SDF format, chain IB [auth E] SDF format, chain JB [auth E] SDF format, chain KB [auth E] SDF format, chain LB [auth E] SDF format, chain MA [auth B] SDF format, chain MB [auth E] SDF format, chain NA [auth B] SDF format, chain NB [auth E] SDF format, chain OB [auth E] SDF format, chain PA [auth C] SDF format, chain QA [auth C] SDF format, chain RA [auth C] SDF format, chain SA [auth C] SDF format, chain TA [auth C] SDF format, chain UA [auth C] SDF format, chain W [auth A] SDF format, chain WB [auth F] SDF format, chain X [auth A] SDF format, chain XB [auth F] SDF format, chain Y [auth A] SDF format, chain Z [auth A] MOL2 format, chain AA [auth A] MOL2 format, chain BA [auth A] MOL2 format, chain EB [auth D] MOL2 format, chain GB [auth E] MOL2 format, chain HB [auth E] MOL2 format, chain IB [auth E] MOL2 format, chain JB [auth E] MOL2 format, chain KB [auth E] MOL2 format, chain LB [auth E] MOL2 format, chain MA [auth B] MOL2 format, chain MB [auth E] MOL2 format, chain NA [auth B] MOL2 format, chain NB [auth E] MOL2 format, chain OB [auth E] MOL2 format, chain PA [auth C] MOL2 format, chain QA [auth C] MOL2 format, chain RA [auth C] MOL2 format, chain SA [auth C] MOL2 format, chain TA [auth C] MOL2 format, chain UA [auth C] MOL2 format, chain W [auth A] MOL2 format, chain WB [auth F] MOL2 format, chain X [auth A] MOL2 format, chain XB [auth F] MOL2 format, chain Y [auth A] MOL2 format, chain Z [auth A] mmCIF format, chain AA [auth A] mmCIF format, chain BA [auth A] mmCIF format, chain EB [auth D] mmCIF format, chain GB [auth E] mmCIF format, chain HB [auth E] mmCIF format, chain IB [auth E] mmCIF format, chain JB [auth E] mmCIF format, chain KB [auth E] mmCIF format, chain LB [auth E] mmCIF format, chain MA [auth B] mmCIF format, chain MB [auth E] mmCIF format, chain NA [auth B] mmCIF format, chain NB [auth E] mmCIF format, chain OB [auth E] mmCIF format, chain PA [auth C] mmCIF format, chain QA [auth C] mmCIF format, chain RA [auth C] mmCIF format, chain SA [auth C] mmCIF format, chain TA [auth C] mmCIF format, chain UA [auth C] mmCIF format, chain W [auth A] mmCIF format, chain WB [auth F] mmCIF format, chain X [auth A] mmCIF format, chain XB [auth F] mmCIF format, chain Y [auth A] mmCIF format, chain Z [auth A]	AA [auth A] BA [auth A] EB [auth D] GB [auth E] HB [auth E] AA [auth A], BA [auth A], EB [auth D], GB [auth E], HB [auth E], IB [auth E], JB [auth E], KB [auth E], LB [auth E], MA [auth B], MB [auth E], NA [auth B], NB [auth E], OB [auth E], PA [auth C], QA [auth C], RA [auth C], SA [auth C], TA [auth C], UA [auth C], W [auth A], WB [auth F], X [auth A], XB [auth F], Y [auth A], Z [auth A]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain AA [auth A] Focus chain BA [auth A] Focus chain EB [auth D] Focus chain GB [auth E] Focus chain HB [auth E] Focus chain IB [auth E] Focus chain JB [auth E] Focus chain KB [auth E] Focus chain LB [auth E] Focus chain MA [auth B] Focus chain MB [auth E] Focus chain NA [auth B] Focus chain NB [auth E] Focus chain OB [auth E] Focus chain PA [auth C] Focus chain QA [auth C] Focus chain RA [auth C] Focus chain SA [auth C] Focus chain TA [auth C] Focus chain UA [auth C] Focus chain W [auth A] Focus chain WB [auth F] Focus chain X [auth A] Focus chain XB [auth F] Focus chain Y [auth A] Focus chain Z [auth A] Interactions & Density Focus chain AA [auth A] Focus chain BA [auth A] Focus chain EB [auth D] Focus chain GB [auth E] Focus chain HB [auth E] Focus chain IB [auth E] Focus chain JB [auth E] Focus chain KB [auth E] Focus chain LB [auth E] Focus chain MA [auth B] Focus chain MB [auth E] Focus chain NA [auth B] Focus chain NB [auth E] Focus chain OB [auth E] Focus chain PA [auth C] Focus chain QA [auth C] Focus chain RA [auth C] Focus chain SA [auth C] Focus chain TA [auth C] Focus chain UA [auth C] Focus chain W [auth A] Focus chain WB [auth F] Focus chain X [auth A] Focus chain XB [auth F] Focus chain Y [auth A] Focus chain Z [auth A]