SAXSdb — 3g0o

▼

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

3-hydroxyisobutyrate dehydrogenase

Salmonella typhimurium

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	CHLORIDE ION × 2 L(+)-TARTARIC ACID × 2 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	CHLORIDE ION × 4 L(+)-TARTARIC ACID × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8ZMG4_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–295； UniProt 3–294

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3g0o
Deposition date deposition_date	2009-01-28
Structure title title	Crystal structure of 3-hydroxyisobutyrate dehydrogenase (ygbJ) from Salmonella typhimurium
Keywords keywords	;NAD(P), valine catabolism, tartaric acid, target 11128h, NYSGXRC, PSI-2, Structural Genomics, Protein Structure Initiative, OXIDOREDUCTASE, New York Structural GenomiX Research Consortium, New York SGX Research Center for Structural Genomics ;; OXIDOREDUCTASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3g0o__assembly_1__model_1

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

Download this curve (.dat)

3g0o__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3g0o__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.98 Å
Rg (electron density)	26.62 Å
Total Rg	27.02 Å
Atom count	4096
Residues	546
Excluded volume	73410 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3g0o__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3g0o__assembly_2__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	3-hydroxyisobutyrate dehydrogenase
Molecular weight formula_weight	31685.0 kDa
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	2367

MSLTGTDFHVGIVGLGSMGMGAARSCLRAGLSTWGADLNPQACANLLAEGACGAAASAREFAGVVDALVILVVNAAQVRQVLFGEDGVAHLMKPGSAVMVSSTISSADAQEIAAALTALNLNMLDAPVSGGAVKAAQGEMTVMASGSEAAFTRLKPVLDAVASNVYRISDTPGAGSTVKIIHQLLAGVHIAAAAEAMALAARAGIPLDVMYDVVTHAAGNSWMFENRMQHVVDGDYTPRSAVDIFVKDLGLVADTAKALRFPLPLASTALNMFTSASNAGYGKEDDSAVIKIFSGEGHHHHHH

Source Source

Source organism organism	Salmonella typhimurium
NCBI taxonomy ID ncbi_taxonomy_id	602
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

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

Entity 3 Entity 3 non-polymer

Description description	L(+)-TARTARIC ACID
Molecular weight formula_weight	150.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	319

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3g0oa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.0 — automated matches

Domain ID domain_id	d3g0oa2
Class class	a — All alpha proteins
Fold Fold fold	a.100 — 6-phosphogluconate dehydrogenase C-terminal domain-like
Superfamily Superfamily superfamily	a.100.1 — 6-phosphogluconate dehydrogenase C-terminal domain-like
Family Family family	a.100.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	3g0oA01
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	3g0oA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1040 — N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase; domain 2
Homologous superfamily homologous superfamily	10 — N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase; domain 2

▶

Unit-cell length a length_a	50.513 Å
Unit-cell length b length_b	132.416 Å
Unit-cell length c length_c	143.067 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	I 2 2 2
Space-group number int_tables_number	23
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	39.400 Å
R factor r_factor	0.2310
R_work r_work	0.2070
R_free r_free	0.2330

Crystal structure of 3-hydroxyisobutyrate dehydrogenase (ygbJ) from Salmonella typhimurium

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

3-hydroxyisobutyrate dehydrogenase

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

3g0o__assembly_1__model_1

3g0o__assembly_1__model_1 | I(q)

3g0o__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 (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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of 3-hydroxyisobutyrate dehydrogenase (ygbJ) from Salmonella typhimurium

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

3-hydroxyisobutyrate dehydrogenase

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

3g0o__assembly_1__model_1

3g0o__assembly_1__model_1 | I(q)

3g0o__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 (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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)