SAXSdb — 3csm

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

CHORISMATE MUTASE

Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	TRYPTOPHAN × 2 8-HYDROXY-2-OXA-BICYCLO[3.3.1]NON-6-ENE-3,5-DICARBOXYLIC ACID × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	TRYPTOPHAN × 2 8-HYDROXY-2-OXA-BICYCLO[3.3.1]NON-6-ENE-3,5-DICARBOXYLIC ACID × 2	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	TRYPTOPHAN × 2 8-HYDROXY-2-OXA-BICYCLO[3.3.1]NON-6-ENE-3,5-DICARBOXYLIC ACID × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CHMU_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–256； UniProt 1–256 Author chain B； PDBConstruct 1–256； UniProt 1–256

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	3csm
Deposition date deposition_date	1997-07-10
Structure title title	STRUCTURE OF YEAST CHORISMATE MUTASE WITH BOUND TRP AND AN ENDOOXABICYCLIC INHIBITOR
Keywords keywords	;CHORISMATE PYRUVATEMUTASE, ALLOSTERIC PROTEIN, COMPLEX (ISOMERASE-PEPTIDE), TRANSITION STATE ANALOG, COMPLEX (ISOMERASE-PEPTIDE) complex ;; COMPLEX (ISOMERASE/PEPTIDE)
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.

3csm__assembly_1__model_1

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

Download this curve (.dat)

3csm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3csm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.63 Å
Rg (electron density)	26.81 Å
Total Rg	27.56 Å
Atom count	4206
Residues	504
Excluded volume	75697 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3csm__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3csm__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3csm__assembly_3__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 (3)

Entity 1 Entity 1 polymer

Description description	CHORISMATE MUTASE
Molecular weight formula_weight	29958.5 kDa
EC 编号 ec_number	5.4.99.5
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	4206

MDFTKPETVLNLQNIRDELVRMEDSIIFKFIERSHFATCPSVYEANHPGLEIPNFKGSFLDWALSNLEIAHSRIRRFESPDETPFFPDKIQKSFLPSINYPQILAPYAPEVNYNDKIKKVYIEKIIPLISKRDGDDKNNFGSVATRDIECLQSLSRRIHFGKFVAEAKFQSDIPLYTKLIKSKDVEGIMKNITNSAVEEKILERLTKKAEVYGVDPTERRIERRITPEYLVKIYKEIVIPITKEVEVEYLLRRLEE

Source Source

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Saccharomyces cerevisiae

Entity 2 Entity 2 non-polymer

Description description	TRYPTOPHAN
Molecular weight formula_weight	204.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	8-HYDROXY-2-OXA-BICYCLO[3.3.1]NON-6-ENE-3,5-DICARBOXYLIC ACID
Molecular weight formula_weight	228.2 kDa
Source method src_method	syn
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3csma_
Class class	a — All alpha proteins
Fold Fold fold	a.130 — Chorismate mutase II
Superfamily Superfamily superfamily	a.130.1 — Chorismate mutase II
Family Family family	a.130.1.2 — Allosteric chorismate mutase

Domain ID domain_id	d3csmb_
Class class	a — All alpha proteins
Fold Fold fold	a.130 — Chorismate mutase II
Superfamily Superfamily superfamily	a.130.1 — Chorismate mutase II
Family Family family	a.130.1.2 — Allosteric chorismate mutase

CATH v4.4 (2 domains)

Domain ID domain_id	3csmA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	590 — Chorismate Mutase, subunit A
Homologous superfamily homologous superfamily	10 — Chorismate mutase, AroQ class superfamily, eukaryotic

Domain ID domain_id	3csmB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	590 — Chorismate Mutase, subunit A
Homologous superfamily homologous superfamily	10 — Chorismate mutase, AroQ class superfamily, eukaryotic

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Unit-cell length a length_a	203.500 Å
Unit-cell length b length_b	203.500 Å
Unit-cell length c length_c	128.700 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	36

Space group space_group	H 3 2
Space-group number int_tables_number	155
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2040
R_work r_work	0.2040
R_free r_free	0.2470

STRUCTURE OF YEAST CHORISMATE MUTASE WITH BOUND TRP AND AN ENDOOXABICYCLIC INHIBITOR

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

CHORISMATE MUTASE

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

3csm__assembly_1__model_1

3csm__assembly_1__model_1 | I(q)

3csm__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)

STRUCTURE OF YEAST CHORISMATE MUTASE WITH BOUND TRP AND AN ENDOOXABICYCLIC INHIBITOR

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

CHORISMATE MUTASE

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

3csm__assembly_1__model_1

3csm__assembly_1__model_1 | I(q)

3csm__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)