1urz

Low pH induced, membrane fusion conformation of the envelope protein of tick-borne encephalitis virus

Method: X-RAY DIFFRACTION

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

ENVELOPE PROTEIN

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q80E47_9FLAV
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–401； UniProt 196–596 Author chain B； PDBConstruct 1–401； UniProt 196–596 Author chain C； PDBConstruct 1–401； UniProt 196–596 Author chain D； PDBConstruct 1–401； UniProt 196–596 Author chain E； PDBConstruct 1–401； UniProt 196–596 Author chain F； PDBConstruct 1–401； UniProt 196–596

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	1urz
Deposition date deposition_date	2003-11-16
Structure title title	Low pH induced, membrane fusion conformation of the envelope protein of tick-borne encephalitis virus
Keywords keywords	ENVELOPE PROTEIN, MEMBRANE FUSION, VIRUS/VIRAL PROTEIN, VIRUS-VIRAL PROTEIN complex; VIRUS/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.

1urz__assembly_1__model_1

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

Download this curve (.dat)

1urz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1urz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.59 Å
Rg (electron density)	34.05 Å
Total Rg	34.67 Å
Atom count	8803
Residues	1154
Excluded volume	156250 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1urz__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1urz__assembly_2__model_1`	trimeric （3）	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 (2)

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6. Fold Classification (SCOP + CATH) 36 domains

SCOP 2.08 (12 domains)

Domain ID domain_id	d1urza1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.4 — Class II viral fusion proteins C-terminal domain

Domain ID domain_id	d1urza2
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.10 — Viral glycoprotein, central and dimerisation domains
Superfamily Superfamily superfamily	f.10.1 — Viral glycoprotein, central and dimerisation domains
Family Family family	f.10.1.1 — Viral glycoprotein, central and dimerisation domains

Domain ID domain_id	d1urzb1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.4 — Class II viral fusion proteins C-terminal domain

Domain ID domain_id	d1urzb2
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.10 — Viral glycoprotein, central and dimerisation domains
Superfamily Superfamily superfamily	f.10.1 — Viral glycoprotein, central and dimerisation domains
Family Family family	f.10.1.1 — Viral glycoprotein, central and dimerisation domains

Domain ID domain_id	d1urzc1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.4 — Class II viral fusion proteins C-terminal domain

Domain ID domain_id	d1urzc2
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.10 — Viral glycoprotein, central and dimerisation domains
Superfamily Superfamily superfamily	f.10.1 — Viral glycoprotein, central and dimerisation domains
Family Family family	f.10.1.1 — Viral glycoprotein, central and dimerisation domains

Domain ID domain_id	d1urzd1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.4 — Class II viral fusion proteins C-terminal domain

Domain ID domain_id	d1urzd2
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.10 — Viral glycoprotein, central and dimerisation domains
Superfamily Superfamily superfamily	f.10.1 — Viral glycoprotein, central and dimerisation domains
Family Family family	f.10.1.1 — Viral glycoprotein, central and dimerisation domains

Domain ID domain_id	d1urze1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.4 — Class II viral fusion proteins C-terminal domain

Domain ID domain_id	d1urze2
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.10 — Viral glycoprotein, central and dimerisation domains
Superfamily Superfamily superfamily	f.10.1 — Viral glycoprotein, central and dimerisation domains
Family Family family	f.10.1.1 — Viral glycoprotein, central and dimerisation domains

Domain ID domain_id	d1urzf1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.4 — Class II viral fusion proteins C-terminal domain

Domain ID domain_id	d1urzf2
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.10 — Viral glycoprotein, central and dimerisation domains
Superfamily Superfamily superfamily	f.10.1 — Viral glycoprotein, central and dimerisation domains
Family Family family	f.10.1.1 — Viral glycoprotein, central and dimerisation domains

CATH v4.4 (24 domains)

Domain ID domain_id	1urzA01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	98 — Tick-borne Encephalitis virus Glycoprotein; domain 1
Homologous superfamily homologous superfamily	10 — Tick-borne Encephalitis virus Glycoprotein, domain 1

Domain ID domain_id	1urzA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	67 — Viral Envelope Glycoprotein; domain 2
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 2

Domain ID domain_id	1urzA03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	387 — Viral Envelope Glycoprotein; domain 3
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 3

Domain ID domain_id	1urzA04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	1urzB01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	98 — Tick-borne Encephalitis virus Glycoprotein; domain 1
Homologous superfamily homologous superfamily	10 — Tick-borne Encephalitis virus Glycoprotein, domain 1

Domain ID domain_id	1urzB02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	67 — Viral Envelope Glycoprotein; domain 2
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 2

Domain ID domain_id	1urzB03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	387 — Viral Envelope Glycoprotein; domain 3
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 3

Domain ID domain_id	1urzB04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	1urzC01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	98 — Tick-borne Encephalitis virus Glycoprotein; domain 1
Homologous superfamily homologous superfamily	10 — Tick-borne Encephalitis virus Glycoprotein, domain 1

Domain ID domain_id	1urzC02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	67 — Viral Envelope Glycoprotein; domain 2
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 2

Domain ID domain_id	1urzC03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	387 — Viral Envelope Glycoprotein; domain 3
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 3

Domain ID domain_id	1urzC04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	1urzD01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	98 — Tick-borne Encephalitis virus Glycoprotein; domain 1
Homologous superfamily homologous superfamily	10 — Tick-borne Encephalitis virus Glycoprotein, domain 1

Domain ID domain_id	1urzD02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	67 — Viral Envelope Glycoprotein; domain 2
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 2

Domain ID domain_id	1urzD03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	387 — Viral Envelope Glycoprotein; domain 3
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 3

Domain ID domain_id	1urzD04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	1urzE01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	98 — Tick-borne Encephalitis virus Glycoprotein; domain 1
Homologous superfamily homologous superfamily	10 — Tick-borne Encephalitis virus Glycoprotein, domain 1

Domain ID domain_id	1urzE02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	67 — Viral Envelope Glycoprotein; domain 2
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 2

Domain ID domain_id	1urzE03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	387 — Viral Envelope Glycoprotein; domain 3
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 3

Domain ID domain_id	1urzE04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	1urzF01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	98 — Tick-borne Encephalitis virus Glycoprotein; domain 1
Homologous superfamily homologous superfamily	10 — Tick-borne Encephalitis virus Glycoprotein, domain 1

Domain ID domain_id	1urzF02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	67 — Viral Envelope Glycoprotein; domain 2
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 2

Domain ID domain_id	1urzF03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	387 — Viral Envelope Glycoprotein; domain 3
Homologous superfamily homologous superfamily	10 — Viral Envelope Glycoprotein, domain 3

Domain ID domain_id	1urzF04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

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Unit-cell length a length_a	121.500 Å
Unit-cell length b length_b	142.900 Å
Unit-cell length c length_c	173.600 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	24

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	40.000 Å
R factor r_factor	0.2070
R_work r_work	0.2070
R_free r_free	0.2420

Description description	ENVELOPE PROTEIN
Molecular weight formula_weight	43789.8 kDa
Source method src_method	nat
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	17986

Low pH induced, membrane fusion conformation of the envelope protein of tick-borne encephalitis virus

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

ENVELOPE PROTEIN

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

1urz__assembly_1__model_1

1urz__assembly_1__model_1 | I(q)

1urz__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 36 domains

SCOP 2.08 (12 domains)

CATH v4.4 (24 domains)

7. Citations (1)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	370

Low pH induced, membrane fusion conformation of the envelope protein of tick-borne encephalitis virus

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

ENVELOPE PROTEIN

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

1urz__assembly_1__model_1

1urz__assembly_1__model_1 | I(q)

1urz__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 36 domains

SCOP 2.08 (12 domains)

CATH v4.4 (24 domains)

7. Citations (1)