SAXSdb — 2o11

▼

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

Chorismate synthase

Mycobacterium tuberculosis

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 × 6 SODIUM ION × 6 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	ACETATE ION × 12 SODIUM ION × 12 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AROC_MYCTU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–401； UniProt 1–401

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	2o11
Deposition date deposition_date	2006-11-28
Structure title title	Mycobacterium tuberculosis Chorismate synthase
Keywords keywords	Shikimate pathway, M. tuberculosis, Chorismate synthase, Lyase; LYASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

2o11__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2o11__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2o11__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	32.83 Å
Rg (electron density)	31.65 Å
Total Rg	32.24 Å
Atom count	11284
Residues	1532
Excluded volume	199470 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2o11__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2o11__assembly_2__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Chorismate synthase
Molecular weight formula_weight	42673.2 kDa
EC 编号 ec_number	4.2.3.5
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	3503

MLRWITAGESHGRALVAVVEGMVAGVHVTSADIADQLARRRLGYGRGARMTFERDAVTVLSGIRHGSTLGGPIAIEIGNTEWPKWETVMAADPVDPAELADVARNAPLTRPRPGHADYAGMLKYGFDDARPVLERASARETAARVAAGTVARAFLRQALGVEVLSHVISIGASAPYEGPPPRAEDLPAIDASPVRAYDKAAEADMIAQIEAAKKDGDTLGGVVEAVALGLPVGLGSFTSGDHRLDSQLAAAVMGIQAIKGVEIGDGFQTARRRGSRAHDEMYPGPDGVVRSTNRAGGLEGGMTNGQPLRVRAAMKPISTVPRALATVDLATGDEAVAIHQRSDVCAVPAAGVVVETMVALVLARAALEKFGGDSLAETQRNIAAYQRSVADREAPAARVSGHHHHHH

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	83332
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	3

Entity 3 Entity 3 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 non-polymer

Description description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	536

▼

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2o11a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.258 — Chorismate synthase, AroC
Superfamily Superfamily superfamily	d.258.1 — Chorismate synthase, AroC
Family Family family	d.258.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id	2o11A00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	150 — Chorismate synthase, AroC fold
Homologous superfamily homologous superfamily	10 — Chorismate synthase AroC

▶

Unit-cell length a length_a	133.586 Å
Unit-cell length b length_b	133.586 Å
Unit-cell length c length_c	160.043 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	12

Space group space_group	P 64 2 2
Space-group number int_tables_number	181
Crystal system crystal_system	—

Resolution resolution	1.650 Å
Low-resolution limit resolution_low	19.710 Å
R factor r_factor	0.1896
R_work r_work	0.1886
R_free r_free	0.2080

Mycobacterium tuberculosis Chorismate synthase

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

Chorismate synthase

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

2o11__assembly_2__model_1

2o11__assembly_2__model_1 | I(q)

2o11__assembly_2__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Mycobacterium tuberculosis Chorismate synthase

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

Chorismate synthase

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

2o11__assembly_2__model_1

2o11__assembly_2__model_1 | I(q)

2o11__assembly_2__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)