SAXSdb — 1m3s

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

Hypothetical protein yckf

Bacillus subtilis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HXLB_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–186； UniProt 1–185 Author chain B； PDBConstruct 2–186； UniProt 1–185

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	1m3s
Deposition date deposition_date	2002-06-28
Structure title title	Crystal structure of YckF from Bacillus subtilis
Keywords keywords	STRUCTURAL GENOMICS, PSI, Protein Structure Initiative, 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.

1m3s__assembly_1__model_1

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

Download this curve (.dat)

1m3s__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1m3s__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.84 Å
Rg (electron density)	25.49 Å
Total Rg	26.30 Å
Atom count	5448
Residues	728
Excluded volume	97491 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1m3s__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1m3s__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 (2)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1m3sa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.80 — SIS domain
Superfamily Superfamily superfamily	c.80.1 — SIS domain
Family Family family	c.80.1.3 — mono-SIS domain

Domain ID domain_id	d1m3sa2
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	d1m3sb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.80 — SIS domain
Superfamily Superfamily superfamily	c.80.1 — SIS domain
Family Family family	c.80.1.3 — mono-SIS domain

Domain ID domain_id	d1m3sb2
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 (2 domains)

Domain ID domain_id	1m3sA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10490 — Glucose-6-phosphate isomerase like protein; domain 1

Domain ID domain_id	1m3sB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10490 — Glucose-6-phosphate isomerase like protein; domain 1

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Unit-cell length a length_a	72.080 Å
Unit-cell length b length_b	72.080 Å
Unit-cell length c length_c	245.560 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	24

Space group space_group	P 65 2 2
Space-group number int_tables_number	179
Crystal system crystal_system	—

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	62.020 Å
R factor r_factor	0.1890
R_work r_work	0.1871
R_free r_free	0.2249

Description description	Hypothetical protein yckf
Molecular weight formula_weight	20042.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3012

Crystal structure of YckF from Bacillus subtilis

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

Hypothetical protein yckf

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

1m3s__assembly_1__model_1

1m3s__assembly_1__model_1 | I(q)

1m3s__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 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	203

Crystal structure of YckF from Bacillus subtilis

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

Hypothetical protein yckf

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

1m3s__assembly_1__model_1

1m3s__assembly_1__model_1 | I(q)

1m3s__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)