6iw1

Crystal structure of YFV-17D sE in postfusion state

Method: X-RAY DIFFRACTION

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

Envelope protein E

Yellow fever virus (strain 17D vaccine)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	POLG_YEFV1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–395； UniProt 286–680 Author chain B； PDBConstruct 1–395； UniProt 286–680 Author chain C； PDBConstruct 1–395； UniProt 286–680

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	6iw1
Deposition date deposition_date	2018-12-04
Structure title title	Crystal structure of YFV-17D sE in postfusion state
Keywords keywords	Yellow fever virus, Envelope protein, Flavivirus, 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.

6iw1__assembly_1__model_1

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

Download this curve (.dat)

6iw1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6iw1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.58 Å
Rg (electron density)	34.07 Å
Total Rg	34.58 Å
Atom count	8698
Residues	1132
Excluded volume	154420 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6iw1__assembly_1__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 (1)

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6. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d6iw1a1
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.10.1.0 — automated matches

Domain ID domain_id	d6iw1a2
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.1.18.0 — automated matches

Domain ID domain_id	d6iw1b1
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.10.1.0 — automated matches

Domain ID domain_id	d6iw1b2
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.1.18.0 — automated matches

Domain ID domain_id	d6iw1c1
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.10.1.0 — automated matches

Domain ID domain_id	d6iw1c2
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.1.18.0 — automated matches

CATH v4.4 (12 domains)

Domain ID domain_id	6iw1A01
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	6iw1A02
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	6iw1A03
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	6iw1A04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	6iw1B01
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	6iw1B02
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	6iw1B03
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	6iw1B04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	350 —

Domain ID domain_id	6iw1C01
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	6iw1C02
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	6iw1C03
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	6iw1C04
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	140.558 Å
Unit-cell length b length_b	88.275 Å
Unit-cell length c length_c	128.953 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	107.06 °
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	3.100 Å
Low-resolution limit resolution_low	39.955 Å
R factor r_factor	0.2170
R_work r_work	0.2150
R_free r_free	0.2539

Description description	Envelope protein E
Molecular weight formula_weight	43234.8 kDa
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	8698

Crystal structure of YFV-17D sE in postfusion state

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

Envelope protein E

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

6iw1__assembly_1__model_1

6iw1__assembly_1__model_1 | I(q)

6iw1__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (6 domains)

CATH v4.4 (12 domains)

7. Citations (1)

Source organism organism	Yellow fever virus (strain 17D vaccine)
Common name common_name	YFV
NCBI taxonomy ID ncbi_taxonomy_id	11090
Host organism host_organism	Escherichia coli

Crystal structure of YFV-17D sE in postfusion state

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

Envelope protein E

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

6iw1__assembly_1__model_1

6iw1__assembly_1__model_1 | I(q)

6iw1__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (6 domains)

CATH v4.4 (12 domains)

7. Citations (1)