SAXSdb — 2q0t

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

Putative gamma-carboxymuconolactone decarboxylase subunit

Burkholderia xenovorans

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q13LR5_BURXL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–263； UniProt 1–262 Author chain B； PDBConstruct 2–263； UniProt 1–262 Author chain C； PDBConstruct 2–263； UniProt 1–262

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	2q0t
Deposition date deposition_date	2007-05-22
Structure title title	Crystal structure of a putative gamma-carboxymuconolactone decarboxylase subunit (bxe_b0980) from burkholderia xenovorans lb400 at 1.70 A resolution
Keywords keywords	Ahpd-like fold, structural genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, lyase; LYASE
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.

2q0t__assembly_1__model_1

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

Download this curve (.dat)

2q0t__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2q0t__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.70 Å
Rg (electron density)	25.35 Å
Total Rg	26.25 Å
Atom count	5908
Residues	749
Excluded volume	105460 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2q0t__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 (2)

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2q0ta1
Class class	a — All alpha proteins
Fold Fold fold	a.152 — AhpD-like
Superfamily Superfamily superfamily	a.152.1 — AhpD-like
Family Family family	a.152.1.1 — AhpD

Domain ID domain_id	d2q0ta2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2q0tb_
Class class	a — All alpha proteins
Fold Fold fold	a.152 — AhpD-like
Superfamily Superfamily superfamily	a.152.1 — AhpD-like
Family Family family	a.152.1.1 — AhpD

Domain ID domain_id	d2q0tc_
Class class	a — All alpha proteins
Fold Fold fold	a.152 — AhpD-like
Superfamily Superfamily superfamily	a.152.1 — AhpD-like
Family Family family	a.152.1.1 — AhpD

CATH v4.4 (3 domains)

Domain ID domain_id	2q0tA01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1290 — AhpD-like
Homologous superfamily homologous superfamily	10 — AhpD-like

Domain ID domain_id	2q0tB01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1290 — AhpD-like
Homologous superfamily homologous superfamily	10 — AhpD-like

Domain ID domain_id	2q0tC01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1290 — AhpD-like
Homologous superfamily homologous superfamily	10 — AhpD-like

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Unit-cell length a length_a	50.300 Å
Unit-cell length b length_b	83.110 Å
Unit-cell length c length_c	99.260 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	103.16 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	6

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

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	29.086 Å
R factor r_factor	0.1560
R_work r_work	0.1540
R_free r_free	0.1930

Description description	Putative gamma-carboxymuconolactone decarboxylase subunit
Molecular weight formula_weight	29318.9 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	6967

Crystal structure of a putative gamma-carboxymuconolactone decarboxylase subunit (bxe_b0980) from burkholderia xenovorans lb400 at 1.70 A resolution

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

Putative gamma-carboxymuconolactone decarboxylase subunit

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

2q0t__assembly_1__model_1

2q0t__assembly_1__model_1 | I(q)

2q0t__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) 7 domains

SCOP 2.08 (4 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Source organism organism	Burkholderia xenovorans
NCBI taxonomy ID ncbi_taxonomy_id	266265
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	943

Crystal structure of a putative gamma-carboxymuconolactone decarboxylase subunit (bxe_b0980) from burkholderia xenovorans lb400 at 1.70 A resolution

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

Putative gamma-carboxymuconolactone decarboxylase subunit

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

2q0t__assembly_1__model_1

2q0t__assembly_1__model_1 | I(q)

2q0t__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) 7 domains

SCOP 2.08 (4 domains)

CATH v4.4 (3 domains)

7. Citations (1)