SAXSdb — 2obn

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

Hypothetical protein

Anabaena variabilis

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q3M7B8_ANAVT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–349； UniProt 1–348 Author chain B； PDBConstruct 2–349； UniProt 1–348 Author chain C； PDBConstruct 2–349； UniProt 1–348 Author chain D； PDBConstruct 2–349； UniProt 1–348

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	2obn
Deposition date deposition_date	2006-12-19
Structure title title	Crystal structure of a duf1611 family protein (ava_3511) from anabaena variabilis atcc 29413 at 2.30 A resolution
Keywords keywords	Structural genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, unknown function; UNKNOWN FUNCTION
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.

2obn__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2obn__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2obn__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	27.62 Å
Rg (electron density)	26.92 Å
Total Rg	27.49 Å
Atom count	5108
Residues	677
Excluded volume	91438 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2obn__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2obn__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 (4)

Entity 1 Entity 1 polymer

Description description	Hypothetical protein
Molecular weight formula_weight	37550.0 kDa
Mutation mutation	K56Y, D58Y
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	10710

GMRLPLNQRVAILLHEGTTGTIGKTGLALLRYSEAPIVAVIDRNCAGQSLREITGIYRYVPIVKSVEAALEYKPQVLVIGIAPKGGGIPDDYWIELKTALQAGMSLVNGLHTPLANIPDLNALLQPGQLIWDVRKEPANLDVASGAARTLPCRRVLTVGTDMAIGKMSTSLELHWAAKLRGWRSKFLATGQTGVMLEGDGVALDAVRVDFAAGAVEQMVMRYGKNYDILHIEGQGSLLHPGSTATLPLIRGSQPTQLVLVHRAGQTHNGNNPHVPIPPLPEVIRLYETVASGGGAFGTVPVVGIALNTAHLDEYAAKEAIAHTIAETGLPCTDVVRFGADVLLDAVMQN

Source Source

Source organism organism	Anabaena variabilis
NCBI taxonomy ID ncbi_taxonomy_id	240292
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	TETRAETHYLENE GLYCOL
Molecular weight formula_weight	194.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	521

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6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id	2obnA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	2obnA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	2obnB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	2obnB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	2obnC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	2obnC02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	2obnD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	2obnD02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

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Unit-cell length a length_a	75.090 Å
Unit-cell length b length_b	123.070 Å
Unit-cell length c length_c	75.210 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	103.10 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	29.260 Å
R factor r_factor	0.1770
R_work r_work	0.1750
R_free r_free	0.2140

Crystal structure of a duf1611 family protein (ava_3511) from anabaena variabilis atcc 29413 at 2.30 A resolution

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

Hypothetical 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

2obn__assembly_2__model_1

2obn__assembly_2__model_1 | I(q)

2obn__assembly_2__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

7. Citations (1)

Crystal structure of a duf1611 family protein (ava_3511) from anabaena variabilis atcc 29413 at 2.30 A resolution

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

Hypothetical 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

2obn__assembly_2__model_1

2obn__assembly_2__model_1 | I(q)

2obn__assembly_2__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

7. Citations (1)