4dw4

Crystal structure of the glycoprotein Erns from the pestivirus BVDV-1 in complex with 5'-UMP

Method: X-RAY DIFFRACTION

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

E(rns) glycoprotein

Bovine viral diarrhea virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Monomer	Protein 1 其他Polymer 4	;alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SULFATE ION × 2 URIDINE-5'-MONOPHOSPHATE × 2 water × 1	Consistent with protein count
2	Other combination	Monomer	Protein 1 其他Polymer 3	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 SULFATE ION × 1 URIDINE-5'-MONOPHOSPHATE × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	POLG_BVDVC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–167； UniProt 271–435 Author chain B； PDBConstruct 3–167； UniProt 271–435

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	4dw4
Deposition date deposition_date	2012-02-24
Structure title title	Crystal structure of the glycoprotein Erns from the pestivirus BVDV-1 in complex with 5'-UMP
Keywords keywords	virus glycoprotein, T2 Ribonuclease, 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.

4dw4__assembly_1__model_1

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

Download this curve (.dat)

4dw4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4dw4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.96 Å
Rg (electron density)	17.27 Å
Total Rg	18.30 Å
Atom count	1526
Residues	161
Excluded volume	26702 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4dw4__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4dw4__assembly_2__model_1`	monomeric （1）	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 (8)

Entity 1 Entity 1 polymer

Description description	E(rns) glycoprotein
Molecular weight formula_weight	19005.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3305

RSENITQWNLQDNGTEGIQRAMFQRGVNRSLHGIWPEKICTGVPSHLATDTELKAIHGMMDASEKTNYTCCRLQRHEWNKHGWCNWYNIEPWILLMNKTQANLTEGQPLRECAVTCRYDRDSDLNVVTQARDSPTPLTGCKKGKNFSFAGILVQGPCNFEIAVSDVL

Source Source

Source organism organism	Bovine viral diarrhea virus
Common name common_name	BVDV
NCBI taxonomy ID ncbi_taxonomy_id	268305
Host organism host_organism	Drosophila melanogaster

Entity 2 Entity 2 branched

Description description	;alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	910.8 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 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	4

Entity 4 Entity 4 branched

Description description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	1073.0 kDa
Source method src_method	man
Copy count entity_count	1

Entity 5 Entity 5 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	3

Entity 6 Entity 6 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 7 Entity 7 non-polymer

Description description	URIDINE-5'-MONOPHOSPHATE
Molecular weight formula_weight	324.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 8 Entity 8 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	265

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	4dw4A00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	730 — Ribonuclease Rh; Chain A
Homologous superfamily homologous superfamily	10 — Ribonuclease T2-like

Domain ID domain_id	4dw4B00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	730 — Ribonuclease Rh; Chain A
Homologous superfamily homologous superfamily	10 — Ribonuclease T2-like

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Unit-cell length a length_a	72.350 Å
Unit-cell length b length_b	107.970 Å
Unit-cell length c length_c	64.330 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	8

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.230 Å
Low-resolution limit resolution_low	48.070 Å
R factor r_factor	0.2088
R_work r_work	0.2067
R_free r_free	0.2465

Crystal structure of the glycoprotein Erns from the pestivirus BVDV-1 in complex with 5'-UMP

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

E(rns) glycoprotein

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

4dw4__assembly_1__model_1

4dw4__assembly_1__model_1 | I(q)

4dw4__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of the glycoprotein Erns from the pestivirus BVDV-1 in complex with 5'-UMP

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

E(rns) glycoprotein

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

4dw4__assembly_1__model_1

4dw4__assembly_1__model_1 | I(q)

4dw4__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)