9LV1 | pdb_00009lv1

Crystal structure of H1 Haemagglutinin HN/18 from Influenza A virus

PDB DOI: https://doi.org/10.2210/pdb9LV1/pdb

Classification: VIRAL PROTEIN
Organism(s): Influenza A virus
Expression System: Insect cell expression vector pTIE1
Mutation(s): No

Deposited: 2025-02-11 Released: 2026-02-18
Deposition Author(s): Deng, G., Wei, X., Sun, H.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free:
0.280 (Depositor), 0.279 (DCC)
R-Value Work:
0.263 (Depositor), 0.264 (DCC)
R-Value Observed:
0.263 (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

Crystal structure of H1 Haemagglutinin HN/18 from Influenza A virus

Deng, G., Wei, X., Sun, H.

To be published.

Macromolecule Content

Total Structure Weight: 162.63 kDa
Atom Count: 11,635
Modeled Residue Count: 1,425
Deposited Residue Count: 1,425
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin	A [auth E], B [auth A], C	321	Influenza A virus	Mutation(s): 0 Gene Names: HA
UniProt
Find proteins for A0A6G5UYK1 (Influenza A virus) Explore A0A6G5UYK1 Go to UniProtKB: A0A6G5UYK1
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A6G5UYK1
Glycosylation
Glycosylation Sites: 4	Glycosylation Focus chain A [auth E] Focus chain B [auth A] Focus chain C
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin	D [auth F], E [auth B], F [auth D]	154	Influenza A virus	Mutation(s): 0 Gene Names: HA
UniProt
Find proteins for A0A6G5UYH2 (Influenza A virus) Explore A0A6G5UYH2 Go to UniProtKB: A0A6G5UYH2
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A6G5UYH2
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAG Query on NAG Download Ideal Coordinates CCD File SDF format, chain G [auth E] SDF format, chain H [auth E] SDF format, chain I [auth E] SDF format, chain J [auth E] SDF format, chain K [auth A] SDF format, chain L [auth A] SDF format, chain M [auth A] SDF format, chain N [auth A] SDF format, chain O [auth C] SDF format, chain P [auth C] SDF format, chain Q [auth C] SDF format, chain R [auth C] MOL2 format, chain G [auth E] MOL2 format, chain H [auth E] MOL2 format, chain I [auth E] MOL2 format, chain J [auth E] MOL2 format, chain K [auth A] MOL2 format, chain L [auth A] MOL2 format, chain M [auth A] MOL2 format, chain N [auth A] MOL2 format, chain O [auth C] MOL2 format, chain P [auth C] MOL2 format, chain Q [auth C] MOL2 format, chain R [auth C] mmCIF format, chain G [auth E] mmCIF format, chain H [auth E] mmCIF format, chain I [auth E] mmCIF format, chain J [auth E] mmCIF format, chain K [auth A] mmCIF format, chain L [auth A] mmCIF format, chain M [auth A] mmCIF format, chain N [auth A] mmCIF format, chain O [auth C] mmCIF format, chain P [auth C] mmCIF format, chain Q [auth C] mmCIF format, chain R [auth C]	G [auth E] H [auth E] I [auth E] J [auth E] K [auth A] G [auth E], H [auth E], I [auth E], J [auth E], K [auth A], L [auth A], M [auth A], N [auth A], O [auth C], P [auth C], Q [auth C], R [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain G [auth E] Focus chain H [auth E] Focus chain I [auth E] Focus chain J [auth E] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth C] Focus chain P [auth C] Focus chain Q [auth C] Focus chain R [auth C] Interactions & Density Focus chain G [auth E] Focus chain H [auth E] Focus chain I [auth E] Focus chain J [auth E] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth C] Focus chain P [auth C] Focus chain Q [auth C] Focus chain R [auth C]