SAXSdb — 3eh7

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

4-hydroxybutyrate CoA-transferase

Porphyromonas gingivalis

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 × 4 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7MWD3_PORGI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–434； UniProt 2–431

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	3eh7
Deposition date deposition_date	2008-09-11
Structure title title	The structure of a putative 4-hydroxybutyrate CoA-transferase from Porphyromonas gingivalis W83
Keywords keywords	;Citrate lyase, 4-hydroxybutyrate CoA-transferase, Porphyromonas gingivalis, Structural Genomics, PSI-2, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, Transferase ;; TRANSFERASE
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.

3eh7__assembly_1__model_1

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

Download this curve (.dat)

3eh7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3eh7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.42 Å
Rg (electron density)	28.66 Å
Total Rg	29.37 Å
Atom count	6124
Residues	778
Excluded volume	109790 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3eh7__assembly_1__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 (3)

Entity 1 Entity 1 polymer

Description description	4-hydroxybutyrate CoA-transferase
Molecular weight formula_weight	48343.0 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	3362

SNAMKDVLAEYASRIVSAEEAVKHIKNGERVALSHAAGVPQSCVDALVQQADLFQNVEIYHMLCLGEGKYMAPEMAPHFRHITNFVGGNSRKAVEENRADFIPVFFYEVPSMIRKDILHIDVAIVQLSMPDENGYCSFGVSCDYSKPAAESAHLVIGEINRQMPYVHGDNLIHISKLDYIVMADYPIYSLAKPKIGEVEEAIGRNCAELIEDGATLQLGIGAIPDAALLFLKDKKDLGIHTEMFSDGVVELVRSGVITGKKKTLHPGKMVATFLMGSEDVYHFIDKNPDVELYPVDYVNDPRVIAQNDNMVSINSCIEIDLMGQVVSECIGSKQFSGTGGQVDYVRGAAWSKNGKSIMAIPSTAKNGTASRIVPIIAEGAAVTTLRNEVDYVVTEYGIAQLKGKSLRQRAEALIAIAHPDFREELTKHLRKRFG

Source Source

Source organism organism	Porphyromonas gingivalis
Common name common_name	Bacteroides gingivalis
NCBI taxonomy ID ncbi_taxonomy_id	837
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	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	249

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	3eh7A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily	10 — Glutaconate Coenzyme A-transferase

Domain ID domain_id	3eh7A02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	750 — Transcription Regulator spoIIAA
Homologous superfamily homologous superfamily	70 — 4-hydroxybutyrate coenzyme like domains

Domain ID domain_id	3eh7A03
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily	20 — Acetyl-CoA hydrolase/transferase C-terminal domain

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Unit-cell length a length_a	72.704 Å
Unit-cell length b length_b	72.704 Å
Unit-cell length c length_c	133.694 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 32 1 2
Space-group number int_tables_number	153
Crystal system crystal_system	—

Resolution resolution	2.050 Å
Low-resolution limit resolution_low	44.560 Å
R factor r_factor	0.1730
R_work r_work	0.1710
R_free r_free	0.2080

The structure of a putative 4-hydroxybutyrate CoA-transferase from Porphyromonas gingivalis W83

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

4-hydroxybutyrate CoA-transferase

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

3eh7__assembly_1__model_1

3eh7__assembly_1__model_1 | I(q)

3eh7__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

The structure of a putative 4-hydroxybutyrate CoA-transferase from Porphyromonas gingivalis W83

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

4-hydroxybutyrate CoA-transferase

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

3eh7__assembly_1__model_1

3eh7__assembly_1__model_1 | I(q)

3eh7__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)