SAXSdb — 4b2h

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

DODECIN

HALOBACTERIUM SALINARUM

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 12	SODIUM ION × 24 SULFATE ION × 12 3-[7,8-dimethyl-2,4-bis(oxidanylidene)benzo[g]pteridin-10-yl]propylcarbamic acid × 12 MAGNESIUM ION × 12 CHLORIDE ION × 12 water × 12	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B0R5M0_HALS3
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–66； UniProt 1–68

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	4b2h
Deposition date deposition_date	2012-07-16
Structure title title	COMPLEXES OF DODECIN WITH FLAVIN AND FLAVIN-LIKE LIGANDS
Keywords keywords	FLAVOPROTEIN, BIOTECHNOLOGICAL APPLICATION OF DODECIN BINDING PROPERTIES, FLAVIN-DNA LIGAND HYBRID; FLAVOPROTEIN
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.

4b2h__assembly_1__model_1

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

Download this curve (.dat)

4b2h__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4b2h__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.82 Å
Rg (electron density)	25.19 Å
Total Rg	26.09 Å
Atom count	6060
Residues	744
Excluded volume	106650 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4b2h__assembly_1__model_1`	dodecameric （12）	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 (7)

Entity 1 Entity 1 polymer

Description description	DODECIN
Molecular weight formula_weight	8196.9 kDa
Mutation mutation	YES
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	597

MVFKKVLLTGTSEESFTAAADDAIDRAEDTLDNVVWAEVVDQGVAIGAVRTYQTEVQVAFELDGSQLEHHHHHH

Source Source

Source organism organism	HALOBACTERIUM SALINARUM
NCBI taxonomy ID ncbi_taxonomy_id	478009
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	3-[7,8-dimethyl-2,4-bis(oxidanylidene)benzo[g]pteridin-10-yl]propylcarbamic acid
Molecular weight formula_weight	343.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	79

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d4b2ha_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.230 — Dodecin subunit-like
Superfamily Superfamily superfamily	d.230.2 — Dodecin-like
Family Family family	d.230.2.1 — Dodecin-like

CATH v4.4 (1 domains)

Domain ID domain_id	4b2hA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1660 — Dodecin subunit-like
Homologous superfamily homologous superfamily	10 — Flavin-binding protein dodecin

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Unit-cell length a length_a	142.005 Å
Unit-cell length b length_b	142.005 Å
Unit-cell length c length_c	142.005 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	96

Space group space_group	F 41 3 2
Space-group number int_tables_number	210
Crystal system crystal_system	—

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.1671
R_work r_work	0.1665
R_free r_free	0.1776

COMPLEXES OF DODECIN WITH FLAVIN AND FLAVIN-LIKE LIGANDS

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

DODECIN

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

4b2h__assembly_1__model_1

4b2h__assembly_1__model_1 | I(q)

4b2h__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

COMPLEXES OF DODECIN WITH FLAVIN AND FLAVIN-LIKE LIGANDS

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

DODECIN

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

4b2h__assembly_1__model_1

4b2h__assembly_1__model_1 | I(q)

4b2h__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)