SAXSdb — 2yq1

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

ORF73

MURID HERPESVIRUS 4

UniProt O41974

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O41974_MHV68
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–139； UniProt 124–260 Author chain B； PDBConstruct 3–139； UniProt 124–260 Author chain C； PDBConstruct 3–139； UniProt 124–260 Author chain D； PDBConstruct 3–139； UniProt 124–260

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	2yq1
Deposition date deposition_date	2012-11-02
Structure title title	MHV-68 LANA (ORF73) C-terminal domain: triclinic crystal form
Keywords keywords	;VIRAL PROTEIN, MUHV-4, MURID HERPESVIRUS 68, LATENCY- ASSOCIATED NUCLEAR ANTIGEN, LANA-1, MLANA, DNA-BINDING DOMAIN, ORIGIN-BINDING DOMAIN, OLIGOMERIZATION DOMAIN, KAPOSI'S SARCOMA-ASSOCIATED HERPESVIRUS, KSHV, GAMMAHERPESVIRUS, RHADINOVIRUS, PRIMARY EFFUSION LYMPHOMA, MULTICENTRIC CASTLEMAN'S DISEASE ;; 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.

2yq1__assembly_1__model_1

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

Download this curve (.dat)

2yq1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2yq1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.68 Å
Rg (electron density)	18.39 Å
Total Rg	19.44 Å
Atom count	2081
Residues	259
Excluded volume	37595 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2yq1__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2yq1__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	2yq1A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	390 — Epstein Barr virus nuclear antigen-1, DNA-binding domain

Domain ID domain_id	2yq1B00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	390 — Epstein Barr virus nuclear antigen-1, DNA-binding domain

Domain ID domain_id	2yq1C00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	390 — Epstein Barr virus nuclear antigen-1, DNA-binding domain

Domain ID domain_id	2yq1D00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	390 — Epstein Barr virus nuclear antigen-1, DNA-binding domain

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Unit-cell length a length_a	35.958 Å
Unit-cell length b length_b	53.395 Å
Unit-cell length c length_c	70.859 Å
Unit-cell angle α angle_alpha	106.00 °
Unit-cell angle β angle_beta	93.47 °
Unit-cell angle γ angle_gamma	109.80 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	24.062 Å
R factor r_factor	0.2024
R_work r_work	0.2001
R_free r_free	0.2456

Description description	ORF73
Molecular weight formula_weight	15968.6 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	4350

MHV-68 LANA (ORF73) C-terminal domain: triclinic crystal form

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

ORF73

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

2yq1__assembly_1__model_1

2yq1__assembly_1__model_1 | I(q)

2yq1__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

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	MURID HERPESVIRUS 4
NCBI taxonomy ID ncbi_taxonomy_id	33708
Host organism host_organism	ESCHERICHIA COLI

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	205

MHV-68 LANA (ORF73) C-terminal domain: triclinic crystal form

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

ORF73

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

2yq1__assembly_1__model_1

2yq1__assembly_1__model_1 | I(q)

2yq1__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

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)