SAXSdb — 6o9a

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

Chorismate dehydratase

Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422)

UniProt Q9RXE3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ACETATE ION × 2 3-HYDROXYBENZOIC ACID × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9RXE3_DEIRA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 24–314； UniProt 1–291 Author chain B； PDBConstruct 24–314； UniProt 1–291

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	6o9a
Deposition date deposition_date	2019-03-13
Structure title title	Crystal structure of MqnA complexed with 3-hydroxybenzoic acid
Keywords keywords	Menaquinone biosynthesis, 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.

6o9a__assembly_1__model_1

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

Download this curve (.dat)

6o9a__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6o9a__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.73 Å
Rg (electron density)	23.54 Å
Total Rg	24.53 Å
Atom count	4175
Residues	542
Excluded volume	74416 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6o9a__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 (4)

Entity 1 Entity 1 polymer

Description description	Chorismate dehydratase
Molecular weight formula_weight	34597.1 kDa
EC 编号 ec_number	4.2.1.151
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	4239

MGSDKIHHHHHHSSGENLYFQGHMTNHHPSSTGPQHPYRAGWIHFTNVAPILDSLELPPGVTAITGVPTQMNAALLSGEVDIANVSAVEFIRHADTLAALPDFSVAVLGPVYSVNLFHTCPLPELRRVALTSQSAMSVALLEVLLRQKGLSPVLERAEGTAESLLAAGYDGVLRIGDDALREWYGVVGPLTPERTMTSLPHTGRGITVTDLAQEWFDLTGHPFTFAVWAYRKDNPPPAALLQAMREARRRGIGHLAEVSQRHAEKLGLPERVVQHYLWNFRYHLEAPDRLGLREFADLAVPGHAELTFGAREEA

Source Source

Source organism organism	Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422)
NCBI taxonomy ID ncbi_taxonomy_id	243230
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ACETATE ION
Molecular weight formula_weight	59.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	3-HYDROXYBENZOIC ACID
Molecular weight formula_weight	138.1 kDa
Source method src_method	nat
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	64

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d6o9aa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamily	c.94.1 — Periplasmic binding protein-like II
Family Family family	c.94.1.1 — Phosphate binding protein-like

Domain ID domain_id	d6o9ab_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamily	c.94.1 — Periplasmic binding protein-like II
Family Family family	c.94.1.1 — Phosphate binding protein-like

CATH v4.4 (4 domains)

Domain ID domain_id	6o9aA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	10 — Periplasmic binding protein-like II

Domain ID domain_id	6o9aA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	10 — Periplasmic binding protein-like II

Domain ID domain_id	6o9aB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	10 — Periplasmic binding protein-like II

Domain ID domain_id	6o9aB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	10 — Periplasmic binding protein-like II

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Unit-cell length a length_a	143.102 Å
Unit-cell length b length_b	151.619 Å
Unit-cell length c length_c	75.035 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 2
Space-group number int_tables_number	21
Crystal system crystal_system	—

Resolution resolution	2.326 Å
Low-resolution limit resolution_low	42.759 Å
R factor r_factor	0.1928
R_work r_work	0.1911
R_free r_free	0.2241

Crystal structure of MqnA complexed with 3-hydroxybenzoic acid

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

Chorismate 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

6o9a__assembly_1__model_1

6o9a__assembly_1__model_1 | I(q)

6o9a__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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of MqnA complexed with 3-hydroxybenzoic acid

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

Chorismate 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

6o9a__assembly_1__model_1

6o9a__assembly_1__model_1 | I(q)

6o9a__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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)