1ruy

1930 Swine H1 Hemagglutinin

Method: X-RAY DIFFRACTION

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1. Protein Identity and Related Structures Protein Identity & Related Structures

hemagglutinin

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	hemagglutinin × 3 （P88836） 2-acetamido-2-deoxy-alpha-D-glucopyranose × 5 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q82500_9INFA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain H； PDBConstruct 5–326； UniProt 18–339 Author chain J； PDBConstruct 5–326； UniProt 18–339 Author chain L； PDBConstruct 5–326； UniProt 18–339

hemagglutinin

OrganismNot specified

UniProt P88836

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	hemagglutinin × 3 （Q82500） 2-acetamido-2-deoxy-alpha-D-glucopyranose × 5 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	P88836_9INFA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain I； PDBConstruct 1–160； UniProt 345–504 Author chain K； PDBConstruct 1–160； UniProt 345–504 Author chain M； PDBConstruct 1–160； UniProt 345–504

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1ruy
Deposition date deposition_date	2003-12-12
Structure title title	1930 Swine H1 Hemagglutinin
Keywords keywords	Hemagglutinin, INFLUENZA A VIRUS, Viral Protein; VIRAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1ruy__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ruy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ruy__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	41.38 Å
Rg (electron density)	40.84 Å
Total Rg	41.01 Å
Atom count	11532
Residues	1452
Excluded volume	203020 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ruy__assembly_1__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	hemagglutinin
Molecular weight formula_weight	36120.5 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,J,L
Atom count atom_count	11966

ADADDTLCIGYHANNSTDTVDTVLEKNVTVTHSVNLLEDSHNGKLCRLGGIAPLQLGKCNIAGWLLGNPECDLLLTVSSWSYIVETPNSDNGTCYPGDFIDYEELREQLSSVSSFERFEIFPKTSSWPNHNTNKGVTAACPYAGASSFYRNLLWLVKKGNSYPKLSKSYVNNKGKEVLVLWGVHHPPTSTDQQNLYQNADAYVSVGSSKYNRRFTPEIAARPKVRGQAGRMNYYWTLLEPGDTITFEATGNLVAPRYAFALNRGSGSGIIISNAPVHDCNTKCQTPHGAINSSLPFQNIHPVTIGECPKYVKSTKLRMATGLRNIPAR

Entity 2 Entity 2 polymer

Description description	hemagglutinin
Molecular weight formula_weight	18223.1 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,K,M

GLFGAIAGFIEGGWTGLIDGWYGYHHQNEQGSGYAADQKSTQNAIDGITNKVNSVIEKMNTQFTAVGKEFNKLEKRIENLNNKVDDGFLDIWTYNAELLVLLENERTLDFHDSNVKNLYEKVRSQLKNNAKEIGNGCFEFYHKCDNECMESVRNGTYDYP

Entity 3 Entity 3 non-polymer

Description description	2-acetamido-2-deoxy-alpha-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	5

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	4

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	434

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6. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d1ruyh_
Class class	b — All beta proteins
Fold Fold fold	b.19 — Viral protein domain
Superfamily Superfamily superfamily	b.19.1 — Viral protein domain
Family Family family	b.19.1.2 — Influenza hemagglutinin headpiece

Domain ID domain_id	d1ruyi_
Class class	h — Coiled coil proteins
Fold Fold fold	h.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamily	h.3.1 — Influenza hemagglutinin (stalk)
Family Family family	h.3.1.1 — Influenza hemagglutinin (stalk)

Domain ID domain_id	d1ruyj_
Class class	b — All beta proteins
Fold Fold fold	b.19 — Viral protein domain
Superfamily Superfamily superfamily	b.19.1 — Viral protein domain
Family Family family	b.19.1.2 — Influenza hemagglutinin headpiece

Domain ID domain_id	d1ruyk_
Class class	h — Coiled coil proteins
Fold Fold fold	h.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamily	h.3.1 — Influenza hemagglutinin (stalk)
Family Family family	h.3.1.1 — Influenza hemagglutinin (stalk)

Domain ID domain_id	d1ruyl_
Class class	b — All beta proteins
Fold Fold fold	b.19 — Viral protein domain
Superfamily Superfamily superfamily	b.19.1 — Viral protein domain
Family Family family	b.19.1.2 — Influenza hemagglutinin headpiece

Domain ID domain_id	d1ruym_
Class class	h — Coiled coil proteins
Fold Fold fold	h.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamily	h.3.1 — Influenza hemagglutinin (stalk)
Family Family family	h.3.1.1 — Influenza hemagglutinin (stalk)

CATH v4.4 (9 domains)

Domain ID domain_id	1ruyH01
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	77 — Hemagglutinin; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Hemagglutinin Chain A, Domain 2

Domain ID domain_id	1ruyH02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1
Homologous superfamily homologous superfamily	20 — Haemagglutinin, alpha/beta domain, HA1 chain

Domain ID domain_id	1ruyI00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	20 — Hemagglutinin Ectodomain; Chain B
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1ruyJ01
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	77 — Hemagglutinin; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Hemagglutinin Chain A, Domain 2

Domain ID domain_id	1ruyJ02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1
Homologous superfamily homologous superfamily	20 — Haemagglutinin, alpha/beta domain, HA1 chain

Domain ID domain_id	1ruyK00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	20 — Hemagglutinin Ectodomain; Chain B
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1ruyL01
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	77 — Hemagglutinin; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Hemagglutinin Chain A, Domain 2

Domain ID domain_id	1ruyL02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1
Homologous superfamily homologous superfamily	20 — Haemagglutinin, alpha/beta domain, HA1 chain

Domain ID domain_id	1ruyM00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	20 — Hemagglutinin Ectodomain; Chain B
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	203.106 Å
Unit-cell length b length_b	83.279 Å
Unit-cell length c length_c	178.234 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	106.67 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2480
R_work r_work	0.2480
R_free r_free	0.2650

1930 Swine H1 Hemagglutinin

1. Protein Identity and Related Structures Protein Identity & Related Structures

hemagglutinin

State in the Current Structure

Other States of the Same Protein in the Database

hemagglutinin

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1ruy__assembly_1__model_1

1ruy__assembly_1__model_1 | I(q)

1ruy__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (6 domains)

CATH v4.4 (9 domains)

7. Citations (1)

1930 Swine H1 Hemagglutinin

1. Protein Identity and Related Structures Protein Identity & Related Structures

hemagglutinin

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

hemagglutinin

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1ruy__assembly_1__model_1

1ruy__assembly_1__model_1 | I(q)

1ruy__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (6 domains)

CATH v4.4 (9 domains)

7. Citations (1)