1vr6

Crystal structure of Phospho-2-dehydro-3-deoxyheptonate aldolase (DAHP synthase) (TM0343) from Thermotoga Maritima at 1.92 A resolution

Method: X-RAY DIFFRACTION

▼

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

Phospho-2-dehydro-3-deoxyheptonate aldolase

Thermotoga maritima

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AROF_THEMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–350； UniProt 1–338 Author chain B； PDBConstruct 13–350； UniProt 1–338 Author chain C； PDBConstruct 13–350； UniProt 1–338 Author chain D； PDBConstruct 13–350； UniProt 1–338

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	1vr6
Deposition date deposition_date	2005-02-14
Structure title title	Crystal structure of Phospho-2-dehydro-3-deoxyheptonate aldolase (DAHP synthase) (TM0343) from Thermotoga Maritima at 1.92 A resolution
Keywords keywords	;TM0343, PHOSPHO-2-DEHYDRO-3-DEOXYHEPTONATE ALDOLASE (EC 2.5.1.54) (DAHP SYNTHASE), Structural Genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI, TRANSFERASE ;; TRANSFERASE
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.

1vr6__assembly_1__model_1

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

Download this curve (.dat)

1vr6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1vr6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.30 Å
Rg (electron density)	31.09 Å
Total Rg	31.85 Å
Atom count	10375
Residues	1360
Excluded volume	185740 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1vr6__assembly_1__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 (2)

▼

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d1vr6a2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.4 — Class I DAHP synthetase

Domain ID domain_id	d1vr6a3
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	d1vr6b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.4 — Class I DAHP synthetase

Domain ID domain_id	d1vr6b3
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	d1vr6c2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.4 — Class I DAHP synthetase

Domain ID domain_id	d1vr6c3
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	d1vr6d2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.10 — Aldolase
Family Family family	c.1.10.4 — Class I DAHP synthetase

Domain ID domain_id	d1vr6d3
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 (8 domains)

Domain ID domain_id	1vr6A01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1140 — Phospho-2-dehydro-3-deoxyheptonate aldolase; domain 1

Domain ID domain_id	1vr6A02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	1vr6B01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1140 — Phospho-2-dehydro-3-deoxyheptonate aldolase; domain 1

Domain ID domain_id	1vr6B02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	1vr6C01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1140 — Phospho-2-dehydro-3-deoxyheptonate aldolase; domain 1

Domain ID domain_id	1vr6C02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	1vr6D01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1140 — Phospho-2-dehydro-3-deoxyheptonate aldolase; domain 1

Domain ID domain_id	1vr6D02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

▶

Unit-cell length a length_a	73.151 Å
Unit-cell length b length_b	74.226 Å
Unit-cell length c length_c	249.540 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	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.920 Å
Low-resolution limit resolution_low	47.760 Å
R factor r_factor	0.1732
R_work r_work	0.1709
R_free r_free	0.2152

Description description	Phospho-2-dehydro-3-deoxyheptonate aldolase
Molecular weight formula_weight	38891.8 kDa
EC 编号 ec_number	2.5.1.54
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	11010

Crystal structure of Phospho-2-dehydro-3-deoxyheptonate aldolase (DAHP synthase) (TM0343) from Thermotoga Maritima at 1.92 A resolution

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

Phospho-2-dehydro-3-deoxyheptonate aldolase

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

1vr6__assembly_1__model_1

1vr6__assembly_1__model_1 | I(q)

1vr6__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Source organism organism	Thermotoga maritima
NCBI taxonomy ID ncbi_taxonomy_id	2336
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	615

Crystal structure of Phospho-2-dehydro-3-deoxyheptonate aldolase (DAHP synthase) (TM0343) from Thermotoga Maritima at 1.92 A resolution

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

Phospho-2-dehydro-3-deoxyheptonate aldolase

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

1vr6__assembly_1__model_1

1vr6__assembly_1__model_1 | I(q)

1vr6__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)