SAXSdb — 1inn

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

AUTOINDUCER-2 PRODUCTION PROTEIN LUXS

Deinococcus radiodurans

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LUXS_DEIRA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–158； UniProt 1–158 Author chain B； PDBConstruct 1–158； UniProt 1–158

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	1inn
Deposition date deposition_date	2001-05-14
Structure title title	CRYSTAL STRUCTURE OF D. RADIODURANS LUXS, P21
Keywords keywords	alpha-beta fold, SIGNALING PROTEIN; SIGNALING PROTEIN
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.

1inn__assembly_1__model_1

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

Download this curve (.dat)

1inn__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1inn__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	18.88 Å
Rg (electron density)	18.00 Å
Total Rg	18.70 Å
Atom count	2325
Residues	291
Excluded volume	41289 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1inn__assembly_1__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 (4)

Entity 1 Entity 1 polymer

Description description	AUTOINDUCER-2 PRODUCTION PROTEIN LUXS
Molecular weight formula_weight	18719.0 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	2445

MPDMANVESFDLDHTKVKAPYVRLAGVKTTPKGDQISKYDLRFLQPNQGAIDPAAIHTLEHLLAGYMRDHLEGVVDVSPMGCRTGMYMAVIGEPDEQGVMKAFEAALKDTAGHDQPIPGVSELECGNYRDHDLAAARQHARDVLDQGLKVQETILLERGSHHHHHH

Source Source

Source organism organism	Deinococcus radiodurans
NCBI taxonomy ID ncbi_taxonomy_id	1299
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	METHIONINE
Molecular weight formula_weight	149.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	120

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1inna_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.185 — LuxS/MPP-like metallohydrolase
Superfamily Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
Family Family family	d.185.1.2 — Autoinducer-2 production protein LuxS

Domain ID domain_id	d1innb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.185 — LuxS/MPP-like metallohydrolase
Superfamily Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
Family Family family	d.185.1.2 — Autoinducer-2 production protein LuxS

CATH v4.4 (2 domains)

Domain ID domain_id	1innA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1360 — Gyrase A; domain 2
Homologous superfamily homologous superfamily	80 — S-ribosylhomocysteinase (LuxS)

Domain ID domain_id	1innB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1360 — Gyrase A; domain 2
Homologous superfamily homologous superfamily	80 — S-ribosylhomocysteinase (LuxS)

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Unit-cell length a length_a	43.780 Å
Unit-cell length b length_b	82.260 Å
Unit-cell length c length_c	49.520 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	102.79 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2090
R_work r_work	0.2060
R_free r_free	0.2400

CRYSTAL STRUCTURE OF D. RADIODURANS LUXS, P21

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

AUTOINDUCER-2 PRODUCTION PROTEIN LUXS

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

1inn__assembly_1__model_1

1inn__assembly_1__model_1 | I(q)

1inn__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)

CRYSTAL STRUCTURE OF D. RADIODURANS LUXS, P21

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

AUTOINDUCER-2 PRODUCTION PROTEIN LUXS

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

1inn__assembly_1__model_1

1inn__assembly_1__model_1 | I(q)

1inn__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)