SAXSdb — 2egg

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

Shikimate 5-dehydrogenase

Geobacillus kaustophilus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	CHLORIDE ION × 2 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 6	CHLORIDE ION × 6 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q5KWX7_GEOKA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 22–297； UniProt 1–276 Author chain B； PDBConstruct 22–297； UniProt 1–276

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	2egg
Deposition date deposition_date	2007-02-28
Structure title title	Crystal Structure of Shikimate 5-Dehydrogenase (AroE) from Geobacillus kaustophilus
Keywords keywords	;Shikimate, Dimer, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, OXIDOREDUCTASE ;; OXIDOREDUCTASE
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.

2egg__assembly_2__model_1

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

Download this curve (.dat)

2egg__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2egg__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	35.31 Å
Rg (electron density)	34.24 Å
Total Rg	34.91 Å
Atom count	10338
Residues	1332
Excluded volume	184270 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2egg__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2egg__assembly_2__model_1`	hexameric （6）	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	Shikimate 5-dehydrogenase
Molecular weight formula_weight	32877.5 kDa
EC 编号 ec_number	1.1.1.25
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	3848

MGSSHHHHHHSSGENLYFQGHMEKVYGLIGFPVEHSLSPLMHNDAFARLGIPARYHLFSVEPGQVGAAIAGVRALGIAGVNVTIPHKLAVIPFLDEVDEHARRIGAVNTIINNDGRLVGYNTDGLGYVQALEEEMNITLDGKRILVIGAGGGARGIYFSLLSTAAERIDMANRTVEKAERLVREGDERRSAYFSLAEAETRLAEYDIIINTTSVGMHPRVEVQPLSLERLRPGVIVSDIIYNPLETKWLKEAKARGARVQNGVGMLVYQGALAFEKWTGQWPDVNRMKQLVIEALRR

Source Source

Source organism organism	Geobacillus kaustophilus
NCBI taxonomy ID ncbi_taxonomy_id	1462
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	402

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6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d2egga1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.58 — Aminoacid dehydrogenase-like, N-terminal domain
Superfamily Superfamily superfamily	c.58.1 — Aminoacid dehydrogenase-like, N-terminal domain
Family Family family	c.58.1.5 — Shikimate dehydrogenase-like

Domain ID domain_id	d2egga2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.7 — Aminoacid dehydrogenase-like, C-terminal domain

Domain ID domain_id	d2egga3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2eggb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.58 — Aminoacid dehydrogenase-like, N-terminal domain
Superfamily Superfamily superfamily	c.58.1 — Aminoacid dehydrogenase-like, N-terminal domain
Family Family family	c.58.1.5 — Shikimate dehydrogenase-like

Domain ID domain_id	d2eggb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.7 — Aminoacid dehydrogenase-like, C-terminal domain

Domain ID domain_id	d2eggb3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id	2eggA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10860 — Leucine Dehydrogenase, chain A, domain 1

Domain ID domain_id	2eggA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	2eggB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10860 — Leucine Dehydrogenase, chain A, domain 1

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Unit-cell length a length_a	171.394 Å
Unit-cell length b length_b	171.394 Å
Unit-cell length c length_c	171.394 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	48

Space group space_group	I 2 3
Space-group number int_tables_number	197
Crystal system crystal_system	—

Resolution resolution	2.250 Å
Low-resolution limit resolution_low	36.540 Å
R factor r_factor	0.2180
R_work r_work	0.2180
R_free r_free	0.2550

Crystal Structure of Shikimate 5-Dehydrogenase (AroE) from Geobacillus kaustophilus

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

Shikimate 5-dehydrogenase

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

2egg__assembly_2__model_1

2egg__assembly_2__model_1 | I(q)

2egg__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Crystal Structure of Shikimate 5-Dehydrogenase (AroE) from Geobacillus kaustophilus

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

Shikimate 5-dehydrogenase

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

2egg__assembly_2__model_1

2egg__assembly_2__model_1 | I(q)

2egg__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

CATH v4.4 (3 domains)

7. Citations (1)