SAXSdb — 1di6

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

MOLYBDENUM COFACTOR BIOSYNTHETIC ENZYME

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	SULFATE ION × 9 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MOG_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–195； UniProt 1–195

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	1di6
Deposition date deposition_date	1999-11-29
Structure title title	1.45 A CRYSTAL STRUCTURE OF THE MOLYBDENUMM COFACTOR BIOSYNTHESIS PROTEIN MOGA FROM ESCHERICHIA COLI
Keywords keywords	MOLYBDENUM COFACTOR, MOCO, MOCO BIOSYNTHESIS, MOGA, GEPHYRIN, UNKNOWN FUNCTION; UNKNOWN FUNCTION
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.

1di6__assembly_1__model_1

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

Download this curve (.dat)

1di6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1di6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.98 Å
Rg (electron density)	23.68 Å
Total Rg	24.58 Å
Atom count	4176
Residues	549
Excluded volume	74644 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1di6__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 (3)

Entity 1 Entity 1 polymer

Description description	MOLYBDENUM COFACTOR BIOSYNTHETIC ENZYME
Molecular weight formula_weight	21200.3 kDa
Mutation mutation	N2A
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	1554

MATLRIGLVSISDRASSGVYQDKGIPALEEWLTSALTTPFELETRLIPDEQAIIEQTLCELVDEMSCHLVLTTGGTGPARRDVTPDATLAVADREMPGFGEQMRQISLHFVPTAILSRQVGVIRKQALILNLPGQPKSIKETLEGVKDAEGNVVVHGIFASVPYCIQLLEGPYVETAPEVVAAFRPKSARRDVSE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	128

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1di6a_
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	1di6A00
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	65.300 Å
Unit-cell length b length_b	65.300 Å
Unit-cell length c length_c	65.300 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	6

Space group space_group	P 63
Space-group number int_tables_number	173
Crystal system crystal_system	—

Resolution resolution	1.450 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.1870
R_free r_free	0.2130

1.45 A CRYSTAL STRUCTURE OF THE MOLYBDENUMM COFACTOR BIOSYNTHESIS PROTEIN MOGA FROM ESCHERICHIA COLI

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

MOLYBDENUM COFACTOR BIOSYNTHETIC ENZYME

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

1di6__assembly_1__model_1

1di6__assembly_1__model_1 | I(q)

1di6__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

1.45 A CRYSTAL STRUCTURE OF THE MOLYBDENUMM COFACTOR BIOSYNTHESIS PROTEIN MOGA FROM ESCHERICHIA COLI

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

MOLYBDENUM COFACTOR BIOSYNTHETIC ENZYME

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

1di6__assembly_1__model_1

1di6__assembly_1__model_1 | I(q)

1di6__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)