SAXSdb — 1vr4

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

hypothetical protein APC22750

Bacillus cereus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 5	water × 5	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q81H14_BACCR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–103； UniProt 1–103 Author chain B； PDBConstruct 1–103； UniProt 1–103 Author chain C； PDBConstruct 1–103； UniProt 1–103 Author chain D； PDBConstruct 1–103； UniProt 1–103 Author chain E； PDBConstruct 1–103； UniProt 1–103

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	1vr4
Deposition date deposition_date	2005-01-31
Structure title title	Crystal Structure of MCSG TArget APC22750 from Bacillus cereus
Keywords keywords	;Structural Genomics, Pentamer, Hypothetical Protein, PSI, Protein Structure Initiative, The Midwest Center for Structural Genomics, MCSG, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, 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.

1vr4__assembly_1__model_1

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

Download this curve (.dat)

1vr4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1vr4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.51 Å
Rg (electron density)	21.41 Å
Total Rg	22.35 Å
Atom count	3575
Residues	480
Excluded volume	64248 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1vr4__assembly_1__model_1`	pentameric （5）	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 (2)

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d1vr4a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.230 — Dodecin subunit-like
Superfamily Superfamily superfamily	d.230.5 — YbjQ-like
Family Family family	d.230.5.1 — YbjQ-like

Domain ID domain_id	d1vr4b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.230 — Dodecin subunit-like
Superfamily Superfamily superfamily	d.230.5 — YbjQ-like
Family Family family	d.230.5.0 — automated matches

Domain ID domain_id	d1vr4c_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.230 — Dodecin subunit-like
Superfamily Superfamily superfamily	d.230.5 — YbjQ-like
Family Family family	d.230.5.0 — automated matches

Domain ID domain_id	d1vr4d_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.230 — Dodecin subunit-like
Superfamily Superfamily superfamily	d.230.5 — YbjQ-like
Family Family family	d.230.5.0 — automated matches

Domain ID domain_id	d1vr4e_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.230 — Dodecin subunit-like
Superfamily Superfamily superfamily	d.230.5 — YbjQ-like
Family Family family	d.230.5.0 — automated matches

CATH v4.4 (5 domains)

Domain ID domain_id	1vr4A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	70 — Hypothetical protein apc22750. Chain B

Domain ID domain_id	1vr4B00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	70 — Hypothetical protein apc22750. Chain B

Domain ID domain_id	1vr4C00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	70 — Hypothetical protein apc22750. Chain B

Domain ID domain_id	1vr4D00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	70 — Hypothetical protein apc22750. Chain B

Domain ID domain_id	1vr4E00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	70 — Hypothetical protein apc22750. Chain B

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Unit-cell length a length_a	51.940 Å
Unit-cell length b length_b	53.560 Å
Unit-cell length c length_c	53.480 Å
Unit-cell angle α angle_alpha	65.88 °
Unit-cell angle β angle_beta	70.37 °
Unit-cell angle γ angle_gamma	70.88 °
Molecules per unit cell Z z_pdb	5

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

Resolution resolution	2.090 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.2161
R_work r_work	0.2102
R_free r_free	0.2766

Description description	hypothetical protein APC22750
Molecular weight formula_weight	11046.7 kDa
Source method src_method	man
Copy count entity_count	5

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E
Atom count atom_count	3756

Crystal Structure of MCSG TArget APC22750 from Bacillus cereus

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

hypothetical protein APC22750

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

1vr4__assembly_1__model_1

1vr4__assembly_1__model_1 | I(q)

1vr4__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (1)

Source organism organism	Bacillus cereus
NCBI taxonomy ID ncbi_taxonomy_id	226900
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	151

Crystal Structure of MCSG TArget APC22750 from Bacillus cereus

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

hypothetical protein APC22750

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

1vr4__assembly_1__model_1

1vr4__assembly_1__model_1 | I(q)

1vr4__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (1)