SAXSdb — 1rzm

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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	CADMIUM ION × 6 PHOSPHOENOLPYRUVATE × 4 ERYTHOSE-4-PHOSPHATE × 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 1–338； UniProt 1–338 Author chain B； PDBConstruct 1–338； 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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1rzm
Deposition date deposition_date	2003-12-24
Structure title title	Crystal structure of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHPS) from Thermotoga maritima complexed with Cd2+, PEP and E4P
Keywords keywords	(BETA/ALPHA) BARREL, TIM BARREL, TRANSFERASE; TRANSFERASE
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.

1rzm__assembly_1__model_1

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

Download this curve (.dat)

1rzm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1rzm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	33.66 Å
Rg (electron density)	32.84 Å
Total Rg	33.50 Å
Atom count	10610
Residues	1352
Excluded volume	190570 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1rzm__assembly_1__model_1`	tetrameric （4）	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 (5)

Entity 1 Entity 1 polymer

Description description	Phospho-2-dehydro-3-deoxyheptonate aldolase
Molecular weight formula_weight	37430.1 kDa
EC 编号 ec_number	2.5.1.54
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	5464

MIVVLKPGSTEEDIRKVVKLAESYNLKCHISKGQERTVIGIIGDDRYVVADKFESLDCVESVVRVLKPYKLVSREFHPEDTVIDLGDVKIGNGYFTIIAGPCSVEGREMLMETAHFLSELGVKVLRGGAYKPRTSPYSFQGLGEKGLEYLREAADKYGMYVVTEALGEDDLPKVAEYADIIQIGARNAQNFRLLSKAGSYNKPVLLKRGFMNTIEEFLLSAEYIANSGNTKIILCERGIRTFEKATRNTLDISAVPIIRKESHLPILVDPSHSGGRRDLVIPLSRAAIAVGAHGIIVEVHPEPEKALSDGKQSLDFELFKELVQEMKKLADALGVKVN

Source Source

Source organism organism	Thermotoga maritima
NCBI taxonomy ID ncbi_taxonomy_id	2336
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	CADMIUM ION
Molecular weight formula_weight	112.4 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	PHOSPHOENOLPYRUVATE
Molecular weight formula_weight	168.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	ERYTHOSE-4-PHOSPHATE
Molecular weight formula_weight	200.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	159

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1rzma_
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	d1rzmb_
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

CATH v4.4 (4 domains)

Domain ID domain_id	1rzmA01
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	1rzmA02
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	1rzmB01
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	1rzmB02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

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Unit-cell length a length_a	71.581 Å
Unit-cell length b length_b	144.215 Å
Unit-cell length c length_c	141.057 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	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2190
R_free r_free	0.2510

Crystal structure of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHPS) from Thermotoga maritima complexed with Cd2+, PEP and E4P

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

1rzm__assembly_1__model_1

1rzm__assembly_1__model_1 | I(q)

1rzm__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 (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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHPS) from Thermotoga maritima complexed with Cd2+, PEP and E4P

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

1rzm__assembly_1__model_1

1rzm__assembly_1__model_1 | I(q)

1rzm__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 (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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)