SAXSdb — 1uux

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

MOLYBDOPTERIN BIOSYNTHESIS CNX1

ARABIDOPSIS THALIANA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	PHOSPHONIC ACIDMONO-(2-AMINO-5,6-DIMERCAPTO-4-OXO-3,7,8A,9,10,10A-HEXAHYDRO-4H-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-7-YLMETHYL)ESTER × 3 PROPANOIC ACID × 3 IMIDAZOLE × 3 FORMIC ACID × 3 COPPER (I) ION × 3 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CNX1_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–163； UniProt 462–624

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	1uux
Deposition date deposition_date	2004-01-12
Structure title title	Structure of a molybdopterin-bound cnx1g domain links molybdenum and copper metabolism
Keywords keywords	CHELATASE, MOLYBDENUM COFACTOR BIOSYNTHESIS; CHELATASE
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.

1uux__assembly_1__model_1

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

Download this curve (.dat)

1uux__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1uux__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.49 Å
Rg (electron density)	22.43 Å
Total Rg	23.20 Å
Atom count	3675
Residues	483
Excluded volume	66075 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1uux__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 (7)

Entity 1 Entity 1 polymer

Description description	MOLYBDOPTERIN BIOSYNTHESIS CNX1
Molecular weight formula_weight	17198.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1409

VPGPEYKVAILTVSDTVSAGAGPDRSGPRAVSVVDSSSEKLGGAKVVATAVVPDEVERIKDILQKWSDVDEMDLILTLGGTGFTPRDVTPEATKKVIERETPGLLFVMMQESLKITPFAMLSRSAAGIRGSTLIINMPGNPNAVAECMEALLPALKHALKQIA

Source Source

Source organism organism	ARABIDOPSIS THALIANA
Common name common_name	MOUSE-EAR CRESS
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	PHOSPHONIC ACIDMONO-(2-AMINO-5,6-DIMERCAPTO-4-OXO-3,7,8A,9,10,10A-HEXAHYDRO-4H-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-7-YLMETHYL)ESTER
Molecular weight formula_weight	395.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	PROPANOIC ACID
Molecular weight formula_weight	74.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	IMIDAZOLE
Molecular weight formula_weight	69.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	FORMIC ACID
Molecular weight formula_weight	46.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	COPPER (I) ION
Molecular weight formula_weight	63.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	155

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1uuxa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.57 — Molybdenum cofactor biosynthesis proteins
Superfamily Superfamily superfamily	c.57.1 — Molybdenum cofactor biosynthesis proteins
Family Family family	c.57.1.1 — MogA-like

CATH v4.4 (1 domains)

Domain ID domain_id	1uuxA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	980 — Molybdenum Cofactor Biosythetic Enzyme; Chain A
Homologous superfamily homologous superfamily	10 — MoaB/Mog-like domain

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Unit-cell length a length_a	171.034 Å
Unit-cell length b length_b	171.034 Å
Unit-cell length c length_c	171.034 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	96

Space group space_group	F 41 3 2
Space-group number int_tables_number	210
Crystal system crystal_system	—

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.1650
R_work r_work	0.1640
R_free r_free	0.1910

Structure of a molybdopterin-bound cnx1g domain links molybdenum and copper metabolism

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

MOLYBDOPTERIN BIOSYNTHESIS CNX1

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

1uux__assembly_1__model_1

1uux__assembly_1__model_1 | I(q)

1uux__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 (7)

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 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Structure of a molybdopterin-bound cnx1g domain links molybdenum and copper metabolism

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

MOLYBDOPTERIN BIOSYNTHESIS CNX1

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

1uux__assembly_1__model_1

1uux__assembly_1__model_1 | I(q)

1uux__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 (7)

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 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)