SAXSdb — 1qr0

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

;4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP ;

Bacillus subtilis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 1 COENZYME A × 1 water × 1	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 2 COENZYME A × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SFP_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–224； UniProt 1–224

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	1qr0
Deposition date deposition_date	1999-06-17
Structure title title	CRYSTAL STRUCTURE OF THE 4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP-COENZYME A COMPLEX
Keywords keywords	PROTEIN-COENZYME A COMPLEX, 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.

1qr0__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1qr0__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1qr0__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	28.29 Å
Rg (electron density)	27.71 Å
Total Rg	28.34 Å
Atom count	3832
Residues	456
Excluded volume	67791 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1qr0__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1qr0__assembly_2__model_1`	dimeric （2）	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 (4)

Entity 1 Entity 1 polymer

Description description	;4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP ;
Molecular weight formula_weight	26543.1 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	2188

MKIYGIYMDRPLSQEENERFMTFISPEKREKCRRFYHKEDAHRTLLGDVLVRSVISRQYQLDKSDIRFSTQEYGKPCIPDLPDAHFNISHSGRWVIGAFDSQPIGIDIEKTKPISLEIAKRFFSKTEYSDLLAKDKDEQTDYFYHLWSMKESFIKQEGKGLSLPLDSFSVRLHQDGQVSIELPDSHSPCYIKTYEVDPGYKMAVCAAHPDFPEDITMVSYEELLRAAA

Source Source

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423
Host organism host_organism	Bacillus subtilis

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	COENZYME A
Molecular weight formula_weight	767.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	272

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1qr0a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.150 — 4'-phosphopantetheinyl transferase
Superfamily Superfamily superfamily	d.150.1 — 4'-phosphopantetheinyl transferase
Family Family family	d.150.1.1 — 4'-Phosphopantetheinyl transferase SFP

Domain ID domain_id	d1qr0a2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.150 — 4'-phosphopantetheinyl transferase
Superfamily Superfamily superfamily	d.150.1 — 4'-phosphopantetheinyl transferase
Family Family family	d.150.1.1 — 4'-Phosphopantetheinyl transferase SFP

CATH v4.4 (2 domains)

Domain ID domain_id	1qr0A01
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	470 — Ribosomal Protein L22; Chain A
Homologous superfamily homologous superfamily	20 — 4'-phosphopantetheinyl transferase domain

Domain ID domain_id	1qr0A02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	470 — Ribosomal Protein L22; Chain A
Homologous superfamily homologous superfamily	20 — 4'-phosphopantetheinyl transferase 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	150.300 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	8

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2160
R_work r_work	0.2160
R_free r_free	0.2780

CRYSTAL STRUCTURE OF THE 4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP-COENZYME A COMPLEX

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

;4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP ;

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

1qr0__assembly_2__model_1

1qr0__assembly_2__model_1 | I(q)

1qr0__assembly_2__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)

CRYSTAL STRUCTURE OF THE 4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP-COENZYME A COMPLEX

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

;4'-PHOSPHOPANTETHEINYL TRANSFERASE SFP ;

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

1qr0__assembly_2__model_1

1qr0__assembly_2__model_1 | I(q)

1qr0__assembly_2__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)