SAXSdb — 5tmx

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

Protein SinI

Bacillus subtilis (strain 168)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SINI_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 7–63； UniProt 1–57 Author chain B； PDBConstruct 7–63； UniProt 1–57

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	5tmx
Deposition date deposition_date	2016-10-13
Structure title title	Solution Structure of SinI, antagonist to the master biofilm-regulator SinR in Bacillus subtilis
Keywords keywords	sporulation, repressor, biofilm, TRANSCRIPTION REGULATOR; TRANSCRIPTION REGULATOR
Experimental Method method	SOLUTION NMR

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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.

5tmx__assembly_1__model_9

Assembly 1 · Model 9 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5tmx__assembly_1__model_9 | I(q)

100 plotted points; both axes use logarithmic scales.

5tmx__assembly_1__model_9 | P(r) · Pending

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

Rg（Guinier）	24.33 Å
Rg (electron density)	24.49 Å
Total Rg	24.45 Å
Atom count	1998
Residues	126
Excluded volume	17796 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5tmx__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`5tmx__assembly_1__model_2`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`5tmx__assembly_1__model_3`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`5tmx__assembly_1__model_4`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`5tmx__assembly_1__model_5`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`5tmx__assembly_1__model_6`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`5tmx__assembly_1__model_7`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`5tmx__assembly_1__model_8`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`5tmx__assembly_1__model_9`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`5tmx__assembly_1__model_10`	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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d5tmxa1
Class class	a — All alpha proteins
Fold Fold fold	a.34 — Dimerisation interlock
Superfamily Superfamily superfamily	a.34.1 — SinR repressor dimerisation domain-like
Family Family family	a.34.1.1 — SinR repressor dimerisation domain-like

Domain ID domain_id	d5tmxa2
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	d5tmxb1
Class class	a — All alpha proteins
Fold Fold fold	a.34 — Dimerisation interlock
Superfamily Superfamily superfamily	a.34.1 — SinR repressor dimerisation domain-like
Family Family family	a.34.1.1 — SinR repressor dimerisation domain-like

Domain ID domain_id	d5tmxb2
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

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Description description	Protein SinI
Molecular weight formula_weight	7184.1 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	19980

Source organism organism	Bacillus subtilis (strain 168)
NCBI taxonomy ID ncbi_taxonomy_id	224308
Host organism host_organism	Escherichia coli

Solution Structure of SinI, antagonist to the master biofilm-regulator SinR in Bacillus subtilis

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

Protein SinI

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

5tmx__assembly_1__model_9

5tmx__assembly_1__model_9 | I(q)

5tmx__assembly_1__model_9 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

7. Citations (1)

Solution Structure of SinI, antagonist to the master biofilm-regulator SinR in Bacillus subtilis

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

Protein SinI

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

5tmx__assembly_1__model_9

5tmx__assembly_1__model_9 | I(q)

5tmx__assembly_1__model_9 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

7. Citations (1)