SAXSdb — 1z50

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

Hemagglutinin-neuraminidase

Simian virus 5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Homooligomer	Protein 4 其他Polymer 8	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 8 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CALCIUM ION × 4 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID × 4 water × 4	Consistent with protein count
2	Other combination	Homooligomer	Protein 2 其他Polymer 4	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CALCIUM ION × 2 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HEMA_SV5
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–532； UniProt 37–565

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	1z50
Deposition date deposition_date	2005-03-16
Structure title title	Parainfluenza Virus 5 (SV5) Hemagglutinin-Neuraminidase (HN) with ligand DANA (soaked with sialic acid, pH 8.0)
Keywords keywords	hemagglutinin, neuraminidase, fusion, tetramer, Hydrolase; HYDROLASE
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.

1z50__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1z50__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1z50__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	31.12 Å
Rg (electron density)	30.38 Å
Total Rg	30.99 Å
Atom count	7166
Residues	896
Excluded volume	127360 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1z50__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1z50__assembly_2__model_1`	dimeric （2）	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 (6)

Entity 1 Entity 1 polymer

Description description	Hemagglutinin-neuraminidase
Molecular weight formula_weight	58508.8 kDa
EC 编号 ec_number	3.2.1.18
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3779

SPSESLITQKQIMSQAGSTGSNSGLGSITDLLNNILSVANQIIYNSAVALPLQLDTLESTLLTAIKSLQTSDKLEQNCSWSAALINDNRYINGINQFYFSIAEGRNLTLGPLLNMPSFIPTATTPEGCTRIPSFSLTKTHWCYTHNVILNGCQDHVSSNQFVSMGIIEPTSAGFPFFRTLKTLYLSDGVNRKSCSISTVPGGCMMYCFVSTQPERDDYFSAAPPEQRIIIMYYNDTIVERIINPPGVLDVWATLNPGTGSGVYYLGWVLFPIYGGVIKGTSLWNNQANKYFIPQMVAALCSQNQATQVQNAKSSYYSSWFGNRMIQSGILACPLRQDLTNECLVLPFSNDQVLMGAEGRLYMYGDSVYYYQRSNSWWPMTMLYKVTITFTNGQPSAISAQNVPTQQVPRPGTGDCSATNRCPGFCLTGVYADAWLLTNPSSTSTFGSEATFTGSYLNTATQRINPTMYIANNTQIISSQQFGSSGQEAAYGHTTCFRDTGSVMVYCIYIIELSSSLLGQFQIVPFIRQVTLS

Source Source

Source organism organism	Simian virus 5
NCBI taxonomy ID ncbi_taxonomy_id	11207
Host organism host_organism	Trichoplusia ni

Entity 2 Entity 2 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 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	1

Entity 4 Entity 4 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID
Molecular weight formula_weight	291.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	196

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1z50a_
Class class	b — All beta proteins
Fold Fold fold	b.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamily	b.68.1 — Sialidases
Family Family family	b.68.1.1 — Sialidases (neuraminidases)

CATH v4.4 (1 domains)

Domain ID domain_id	1z50A00
Class class	2 — Mainly Beta
Architecture architecture	120 — 6 Propeller
Topology topology	10 — Neuraminidase
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	137.661 Å
Unit-cell length b length_b	137.661 Å
Unit-cell length c length_c	184.917 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 61 2 2
Space-group number int_tables_number	178
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2000
R_work r_work	0.1990
R_free r_free	0.2240

Parainfluenza Virus 5 (SV5) Hemagglutinin-Neuraminidase (HN) with ligand DANA (soaked with sialic acid, pH 8.0)

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

Hemagglutinin-neuraminidase

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

1z50__assembly_2__model_1

1z50__assembly_2__model_1 | I(q)

1z50__assembly_2__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Parainfluenza Virus 5 (SV5) Hemagglutinin-Neuraminidase (HN) with ligand DANA (soaked with sialic acid, pH 8.0)

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

Hemagglutinin-neuraminidase

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

1z50__assembly_2__model_1

1z50__assembly_2__model_1 | I(q)

1z50__assembly_2__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)