2hk8

Crystal structure of shikimate dehydrogenase from aquifex aeolicus at 2.35 angstrom resolution

Method: X-RAY DIFFRACTION

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

Shikimate dehydrogenase

Aquifex aeolicus

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
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
6	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
7	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
8	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	AROE_AQUAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–269； UniProt 1–269 Author chain B； PDBConstruct 1–269； UniProt 1–269 Author chain C； PDBConstruct 1–269； UniProt 1–269 Author chain D； PDBConstruct 1–269； UniProt 1–269 Author chain E； PDBConstruct 1–269； UniProt 1–269 Author chain F； PDBConstruct 1–269； UniProt 1–269 Author chain G； PDBConstruct 1–269； UniProt 1–269 Author chain H； PDBConstruct 1–269； UniProt 1–269

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	2hk8
Deposition date deposition_date	2006-07-03
Structure title title	Crystal structure of shikimate dehydrogenase from aquifex aeolicus at 2.35 angstrom resolution
Keywords keywords	shikimate pathway, shikimate dehydrogenase, drug design, 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.

2hk8__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2hk8__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2hk8__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	20.32 Å
Rg (electron density)	19.16 Å
Total Rg	20.28 Å
Atom count	2095
Residues	265
Excluded volume	38258 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2hk8__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2hk8__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2hk8__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2hk8__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`2hk8__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`2hk8__assembly_6__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`2hk8__assembly_7__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`2hk8__assembly_8__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) 32 domains

SCOP 2.08 (16 domains)

Domain ID domain_id	d2hk8a1
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	d2hk8a2
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	d2hk8b1
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	d2hk8b2
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	d2hk8c1
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	d2hk8c2
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	d2hk8d1
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	d2hk8d2
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	d2hk8e1
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	d2hk8e2
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	d2hk8f1
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	d2hk8f2
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	d2hk8g1
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	d2hk8g2
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	d2hk8h1
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	d2hk8h2
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

CATH v4.4 (16 domains)

Domain ID domain_id	2hk8A01
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	2hk8A02
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	2hk8B01
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	2hk8B02
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	2hk8C01
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	2hk8C02
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	2hk8D01
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	2hk8D02
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	2hk8E01
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	2hk8E02
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	2hk8F01
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	2hk8F02
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	2hk8G01
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	2hk8G02
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	2hk8H01
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	2hk8H02
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

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Unit-cell length a length_a	37.361 Å
Unit-cell length b length_b	73.960 Å
Unit-cell length c length_c	192.107 Å
Unit-cell angle α angle_alpha	94.64 °
Unit-cell angle β angle_beta	94.16 °
Unit-cell angle γ angle_gamma	91.81 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.350 Å
Low-resolution limit resolution_low	28.400 Å
R factor r_factor	0.2140
R_work r_work	0.2140
R_free r_free	0.2650

Description description	Shikimate dehydrogenase
Molecular weight formula_weight	30113.1 kDa
EC 编号 ec_number	1.1.1.25
Source method src_method	man
Copy count entity_count	8

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	17423

Crystal structure of shikimate dehydrogenase from aquifex aeolicus at 2.35 angstrom resolution

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

Shikimate 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

2hk8__assembly_3__model_1

2hk8__assembly_3__model_1 | I(q)

2hk8__assembly_3__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) 32 domains

SCOP 2.08 (16 domains)

CATH v4.4 (16 domains)

7. Citations (1)

Source organism organism	Aquifex aeolicus
NCBI taxonomy ID ncbi_taxonomy_id	63363
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	626

Crystal structure of shikimate dehydrogenase from aquifex aeolicus at 2.35 angstrom resolution

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

Shikimate 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

2hk8__assembly_3__model_1

2hk8__assembly_3__model_1 | I(q)

2hk8__assembly_3__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) 32 domains

SCOP 2.08 (16 domains)

CATH v4.4 (16 domains)

7. Citations (1)