SAXSdb — 1ou0

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

precorrin-8X methylmutase related protein

Thermoplasma acidophilum DSM 1728

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9HKE7_THEAC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–207； UniProt 1–207 Author chain B； PDBConstruct 1–207； UniProt 1–207 Author chain C； PDBConstruct 1–207； UniProt 1–207 Author chain D； PDBConstruct 1–207； UniProt 1–207

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	1ou0
Deposition date deposition_date	2003-03-24
Structure title title	precorrin-8X methylmutase related protein
Keywords keywords	;structural genomics, methylmutase, precorrin-8X, PSI, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, ISOMERASE ;; ISOMERASE
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.

1ou0__assembly_1__model_1

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

Download this curve (.dat)

1ou0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ou0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.62 Å
Rg (electron density)	27.33 Å
Total Rg	28.12 Å
Atom count	5807
Residues	733
Excluded volume	104350 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ou0__assembly_1__model_1`	tetrameric （4）	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) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1ou0a_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.17 — Precorrin-8X methylmutase CbiC/CobH
Family Family family	c.23.17.1 — Precorrin-8X methylmutase CbiC/CobH

Domain ID domain_id	d1ou0b_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.17 — Precorrin-8X methylmutase CbiC/CobH
Family Family family	c.23.17.1 — Precorrin-8X methylmutase CbiC/CobH

Domain ID domain_id	d1ou0c_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.17 — Precorrin-8X methylmutase CbiC/CobH
Family Family family	c.23.17.1 — Precorrin-8X methylmutase CbiC/CobH

Domain ID domain_id	d1ou0d_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.17 — Precorrin-8X methylmutase CbiC/CobH
Family Family family	c.23.17.1 — Precorrin-8X methylmutase CbiC/CobH

CATH v4.4 (4 domains)

Domain ID domain_id	1ou0A00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10230 — Cobalamin biosynthesis CobH/CbiC, precorrin-8X methylmutase

Domain ID domain_id	1ou0B00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10230 — Cobalamin biosynthesis CobH/CbiC, precorrin-8X methylmutase

Domain ID domain_id	1ou0C00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10230 — Cobalamin biosynthesis CobH/CbiC, precorrin-8X methylmutase

Domain ID domain_id	1ou0D00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10230 — Cobalamin biosynthesis CobH/CbiC, precorrin-8X methylmutase

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Unit-cell length a length_a	72.450 Å
Unit-cell length b length_b	86.820 Å
Unit-cell length c length_c	120.900 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	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	37.240 Å
R factor r_factor	0.2027
R_work r_work	0.2020
R_free r_free	0.2350

Description description	precorrin-8X methylmutase related protein
Molecular weight formula_weight	22845.9 kDa
EC 编号 ec_number	5.4.1.2
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	6434

precorrin-8X methylmutase related protein

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

precorrin-8X methylmutase related 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

1ou0__assembly_1__model_1

1ou0__assembly_1__model_1 | I(q)

1ou0__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Thermoplasma acidophilum DSM 1728
NCBI taxonomy ID ncbi_taxonomy_id	273075
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	627

precorrin-8X methylmutase related protein

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

precorrin-8X methylmutase related 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

1ou0__assembly_1__model_1

1ou0__assembly_1__model_1 | I(q)

1ou0__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)