SAXSdb — 2w6r

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

IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISF

THERMOTOGA MARITIMA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HIS6_THEMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–124； UniProt 123–245 Author chain A； PDBConstruct 128–258； UniProt 123–253

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	2w6r
Deposition date deposition_date	2008-12-18
Structure title title	Crystal structure of an artificial (ba)8-barrel protein designed from identical half barrels
Keywords keywords	LYASE, FUSION PROTEIN, COBALAMIN, PRECORRIN, NOVEL FOLD, VITAMIN B12; 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.

2w6r__assembly_1__model_1

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

Download this curve (.dat)

2w6r__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2w6r__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	18.04 Å
Rg (electron density)	16.90 Å
Total Rg	17.96 Å
Atom count	1677
Residues	223
Excluded volume	30117 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2w6r__assembly_1__model_1`	monomeric （1）	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) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	2w6rA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

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Unit-cell length a length_a	58.000 Å
Unit-cell length b length_b	58.000 Å
Unit-cell length c length_c	131.000 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 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	32.950 Å
R factor r_factor	0.2440
R_work r_work	0.2420
R_free r_free	0.2850

Description description	IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISF
Molecular weight formula_weight	29611.2 kDa
EC 编号 ec_number	4.1.3.-
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1734

Crystal structure of an artificial (ba)8-barrel protein designed from identical half barrels

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

IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISF

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

2w6r__assembly_1__model_1

2w6r__assembly_1__model_1 | I(q)

2w6r__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) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	THERMOTOGA MARITIMA
NCBI taxonomy ID ncbi_taxonomy_id	2336
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	51

Crystal structure of an artificial (ba)8-barrel protein designed from identical half barrels

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

IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISF

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

2w6r__assembly_1__model_1

2w6r__assembly_1__model_1 | I(q)

2w6r__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) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)