SAXSdb — 3fws

▼

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

YqzB protein

Bacillus subtilis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 2 MAGNESIUM ION × 3 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O34994_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–151； UniProt 63–212 Author chain B； PDBConstruct 2–151； UniProt 63–212

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3fws
Deposition date deposition_date	2009-01-19
Structure title title	Crystal Structure of the CBS domains from the Bacillus subtilis CcpN repressor complexed with AppNp, phosphate and magnesium ions
Keywords keywords	CBS DOMAIN DIMER, Metabolism regulator, Central glycolytic gene regulator, TRANSCRIPTION; TRANSCRIPTION
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3fws__assembly_1__model_1

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

Download this curve (.dat)

3fws__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3fws__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.83 Å
Rg (electron density)	20.17 Å
Total Rg	20.91 Å
Atom count	2360
Residues	291
Excluded volume	42519 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3fws__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	YqzB protein
Molecular weight formula_weight	18016.1 kDa
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	2446

MTGKTGTQLLADKLKKLQVKDFQSIPVVIHENVSVYDAICTMFLEDVGTLFVVDRDAVLVGVLSRKDLLRASIGQQELTSVPVHIIMTRMPNITVCRREDYVMDIAKHLIEKQIDALPVIKDTDKGFEVIGRVTKTNMTKILVSLSENEILLQHHHHHH

Source Source

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

Entity 2 Entity 2 non-polymer

Description description	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
Molecular weight formula_weight	506.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	86

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3fwsa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.37 — CBS-domain pair
Superfamily Superfamily superfamily	d.37.1 — CBS-domain pair
Family Family family	d.37.1.0 — automated matches

Domain ID domain_id	d3fwsb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.37 — CBS-domain pair
Superfamily Superfamily superfamily	d.37.1 — CBS-domain pair
Family Family family	d.37.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	3fwsA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	580 — CBS-domain
Homologous superfamily homologous superfamily	10 — CBS-domain

Domain ID domain_id	3fwsB00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	580 — CBS-domain
Homologous superfamily homologous superfamily	10 — CBS-domain

▶

Unit-cell length a length_a	54.025 Å
Unit-cell length b length_b	103.969 Å
Unit-cell length c length_c	98.387 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	2.030 Å
Low-resolution limit resolution_low	29.170 Å
R factor r_factor	0.1923
R_work r_work	0.1888
R_free r_free	0.2620

Crystal Structure of the CBS domains from the Bacillus subtilis CcpN repressor complexed with AppNp, phosphate and magnesium ions

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

YqzB protein

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

3fws__assembly_1__model_1

3fws__assembly_1__model_1 | I(q)

3fws__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal Structure of the CBS domains from the Bacillus subtilis CcpN repressor complexed with AppNp, phosphate and magnesium ions

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

YqzB protein

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

3fws__assembly_1__model_1

3fws__assembly_1__model_1 | I(q)

3fws__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)