SAXSdb — 9ulc

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

Enoyl-CoA hydratase/isomerase

Nitrosopumilus maritimus SCM1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A9A2G5_NITMS
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–246； UniProt 1–245 Author chain B； PDBConstruct 2–246； UniProt 1–245 Author chain C； PDBConstruct 2–246； UniProt 1–245

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	9ulc
Deposition date deposition_date	2025-04-19
Last revision last_revision	2025-07-09
Structure title title	Ambient temperature crystal structure of Nmar_1308 protein at 3.33 angstrom resolution
Keywords keywords	bifunctional enzyme, carbon fixation, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
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.

9ulc__assembly_1__model_1

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

Download this curve (.dat)

9ulc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9ulc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.56 Å
Rg (electron density)	26.33 Å
Total Rg	27.21 Å
Atom count	5471
Residues	732
Excluded volume	97932 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9ulc__assembly_1__model_1`	trimeric （3）	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 (1)

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Unit-cell length a length_a	81.130 Å
Unit-cell length b length_b	81.130 Å
Unit-cell length c length_c	216.350 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	18

Space group space_group	P 31 1 2
Space-group number int_tables_number	151
Crystal system crystal_system	—

Resolution resolution	3.330 Å
Low-resolution limit resolution_low	24.040 Å
R factor r_factor	0.3238
R_work r_work	0.3230
R_free r_free	0.3726

Description description	Enoyl-CoA hydratase/isomerase
Molecular weight formula_weight	26416.4 kDa
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	5471

Ambient temperature crystal structure of Nmar_1308 protein at 3.33 angstrom resolution

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

Enoyl-CoA hydratase/isomerase

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

9ulc__assembly_1__model_1

9ulc__assembly_1__model_1 | I(q)

9ulc__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)

Source organism organism	Nitrosopumilus maritimus SCM1
NCBI taxonomy ID ncbi_taxonomy_id	436308
Host organism host_organism	Escherichia coli

Ambient temperature crystal structure of Nmar_1308 protein at 3.33 angstrom resolution

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

Enoyl-CoA hydratase/isomerase

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

9ulc__assembly_1__model_1

9ulc__assembly_1__model_1 | I(q)

9ulc__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)