SAXSdb — 2nn4

▼

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

Hypothetical protein yqgQ

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	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	YQGQ_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–72； UniProt 2–71 Author chain B； PDBConstruct 3–72； UniProt 2–71 Author chain C； PDBConstruct 3–72； UniProt 2–71

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	2nn4
Deposition date deposition_date	2006-10-23
Structure title title	Crystal structure of Bacillus subtilis yqgQ, Pfam DUF910
Keywords keywords	;Novel fold, pfam:DUF910, 10278a, Structural Genomics, PSI-2, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

2nn4__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2nn4__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2nn4__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	12.65 Å
Rg (electron density)	11.10 Å
Total Rg	12.55 Å
Atom count	530
Residues	62
Excluded volume	9505 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2nn4__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2nn4__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2nn4__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d2nn4a1
Class class	a — All alpha proteins
Fold Fold fold	a.272 — YqgQ-like
Superfamily Superfamily superfamily	a.272.1 — YqgQ-like
Family Family family	a.272.1.1 — YqgQ-like

Domain ID domain_id	d2nn4a2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2nn4b2
Class class	a — All alpha proteins
Fold Fold fold	a.272 — YqgQ-like
Superfamily Superfamily superfamily	a.272.1 — YqgQ-like
Family Family family	a.272.1.1 — YqgQ-like

Domain ID domain_id	d2nn4b3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2nn4c2
Class class	a — All alpha proteins
Fold Fold fold	a.272 — YqgQ-like
Superfamily Superfamily superfamily	a.272.1 — YqgQ-like
Family Family family	a.272.1.1 — YqgQ-like

Domain ID domain_id	d2nn4c3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id	2nn4A00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	760 — YqgQ-like

Domain ID domain_id	2nn4B00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	760 — YqgQ-like

Domain ID domain_id	2nn4C00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	760 — YqgQ-like

▶

Unit-cell length a length_a	51.850 Å
Unit-cell length b length_b	41.250 Å
Unit-cell length c length_c	55.180 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	113.39 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	47.590 Å
R factor r_factor	0.2470
R_work r_work	0.2470
R_free r_free	0.2800

Description description	Hypothetical protein yqgQ
Molecular weight formula_weight	8701.9 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	1637

Crystal structure of Bacillus subtilis yqgQ, Pfam DUF910

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

Hypothetical protein yqgQ

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

2nn4__assembly_3__model_1

2nn4__assembly_3__model_1 | I(q)

2nn4__assembly_3__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

CATH v4.4 (3 domains)

7. Citations (1)

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

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	47

Crystal structure of Bacillus subtilis yqgQ, Pfam DUF910

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

Hypothetical protein yqgQ

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

2nn4__assembly_3__model_1

2nn4__assembly_3__model_1 | I(q)

2nn4__assembly_3__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

CATH v4.4 (3 domains)

7. Citations (1)