SAXSdb — 1r8w

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

glycerol dehydratase

Clostridium butyricum

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8GEZ8_CLOBU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–787； UniProt 1–787 Author chain B； PDBConstruct 1–787； UniProt 1–787

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	1r8w
Deposition date deposition_date	2003-10-28
Structure title title	Native structure of the B12-independent glycerol dehydratase from clostridium butyricum
Keywords keywords	Glycerol dehydratase, radical SAM, 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.

1r8w__assembly_1__model_1

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

Download this curve (.dat)

1r8w__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1r8w__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	39.46 Å
Rg (electron density)	39.35 Å
Total Rg	39.76 Å
Atom count	12382
Residues	1572
Excluded volume	220030 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1r8w__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 (2)

Entity 1 Entity 1 polymer

Description description	glycerol dehydratase
Molecular weight formula_weight	88154.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	12905

MISKGFSTQTERINILKAQILNAKPCVESERAILITESFKQTEGQPAILRRALALKHILENIPITIRDQELIVGSLTKEPRSSQVFPEFSNKWLQDELDRLNKRTGDAFQISEESKEKLKDVFEYWNGKTTSELATSYMTEETREAVNCDVFTVGNYYYNGVGHVSVDYGKVLRVGFNGIINEAKEQLEKNRSIDPDFIKKEKFLNSVIISCEAAITYVNRYAKKAKEIADNTSDAKRKAELNEIAKICSKVSGEGAKSFYEACQLFWFIHAIINIESNGHSISPARFDQYMYPYYENDKNITDKFAQELIDCIWIKLNDINKVRDEISTKHFGGYPMYQNLIVGGQNSEGKDATNKVSYMALEAAVHVKLPQPSLSVRIWNKTPDEFLLRAAELTREGLGLPAYYNDEVIIPALVSRGLTLEDARDYGIIGCVEPQKPGKTEGWHDSAFFNLARIVELTINSGFDKNKQIGPKTQNFEEMKSFDEFMKAYKAQMEYFVKHMCCADNCIDIAHAERAPLPFLSSMVDNCIGKGKSLQDGGAEYNFSGPQGVGVANIGDSLVAVKKIVFDENKITPSELKKTLNNDFKNSEEIQALLKNAPKFGNDIDEVDNLAREGALVYCREVNKYTNPRGGNFQPGLYPSSINVYFGSLTGATPDGRKSGQPLADGVSPSRGCDVSGPTAACNSVSKLDHFIASNGTLFNQKFHPSALKGDNGLMNLSSLIRSYFDQKGFHVQFNVIDKKILLAAQKNPEKYQDLIVRVAGYSAQFISLDKSIQNDIIARTEHVM

Source Source

Source organism organism	Clostridium butyricum
NCBI taxonomy ID ncbi_taxonomy_id	1492
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	511

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1r8wa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamily	c.7.1 — PFL-like glycyl radical enzymes
Family Family family	c.7.1.1 — PFL-like

Domain ID domain_id	d1r8wb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamily	c.7.1 — PFL-like glycyl radical enzymes
Family Family family	c.7.1.1 — PFL-like

CATH v4.4 (2 domains)

Domain ID domain_id	1r8wA01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1r8wB01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	103.434 Å
Unit-cell length b length_b	212.912 Å
Unit-cell length c length_c	199.498 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	16

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	42.160 Å
R factor r_factor	0.1710
R_work r_work	0.1710
R_free r_free	0.2030

Native structure of the B12-independent glycerol dehydratase from clostridium butyricum

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

glycerol dehydratase

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

1r8w__assembly_1__model_1

1r8w__assembly_1__model_1 | I(q)

1r8w__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Native structure of the B12-independent glycerol dehydratase from clostridium butyricum

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

glycerol dehydratase

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

1r8w__assembly_1__model_1

1r8w__assembly_1__model_1 | I(q)

1r8w__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)