SAXSdb — 1n2s

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

dTDP-glucose oxidoreductase

Salmonella enterica subsp. enterica serovar Typhimurium

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 2 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 2 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RFBD_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–299； UniProt 1–299

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	1n2s
Deposition date deposition_date	2002-10-24
Structure title title	CRYSTAL STRUCTURE OF DTDP-6-DEOXY-L-LYXO-4-HEXULOSE REDUCTASE (RMLD) IN COMPLEX WITH NADH
Keywords keywords	ROSSMAN-FOLD, SUGAR-NUCLEOTIDE-BINDING DOMAIN, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1n2s__assembly_1__model_1

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

Download this curve (.dat)

1n2s__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1n2s__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.92 Å
Rg (electron density)	24.87 Å
Total Rg	25.71 Å
Atom count	4679
Residues	596
Excluded volume	83036 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1n2s__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 (5)

Entity 1 Entity 1 polymer

Description description	dTDP-glucose oxidoreductase
Molecular weight formula_weight	32589.9 kDa
EC 编号 ec_number	1.1.1.133
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2503

MNILLFGKTGQVGWELQRSLAPVGNLIALDVHSKEFCGDFSNPKGVAETVRKLRPDVIVNAAAHTAVDKAESEPELAQLLNATSVEAIAKAANETGAWVVHYSTDYVFPGTGDIPWQETDATSPLNVYGKTKLAGEKALQDNCPKHLIFRTSWVYAGKGNNFAKTMLRLAKERQTLSVINDQYGAPTGAELLADCTAHAIRVALNKPEVAGLYHLVAGGTTTWHDYAALVFDEARKAGITLALTELNAVPTSAYPTPASRPGNSRLNTEKFQRNFDLILPQWELGVKRMLTEMFTTTTI

Source Source

Source organism organism	Salmonella enterica subsp. enterica serovar Typhimurium
NCBI taxonomy ID ncbi_taxonomy_id	90371
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE
Molecular weight formula_weight	665.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	163

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1n2sa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.2 — Tyrosine-dependent oxidoreductases

CATH v4.4 (2 domains)

Domain ID domain_id	1n2sA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	1n2sA02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	25 — UDP-galactose 4-epimerase; domain 1
Homologous superfamily homologous superfamily	10 — UDP-galactose 4-epimerase, domain 1

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Unit-cell length a length_a	47.435 Å
Unit-cell length b length_b	71.572 Å
Unit-cell length c length_c	82.281 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	81.700 Å
R factor r_factor	0.2020
R_work r_work	0.1990
R_free r_free	0.2530

CRYSTAL STRUCTURE OF DTDP-6-DEOXY-L-LYXO-4-HEXULOSE REDUCTASE (RMLD) IN COMPLEX WITH NADH

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

dTDP-glucose oxidoreductase

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

1n2s__assembly_1__model_1

1n2s__assembly_1__model_1 | I(q)

1n2s__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (3)

CRYSTAL STRUCTURE OF DTDP-6-DEOXY-L-LYXO-4-HEXULOSE REDUCTASE (RMLD) IN COMPLEX WITH NADH

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

dTDP-glucose oxidoreductase

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

1n2s__assembly_1__model_1

1n2s__assembly_1__model_1 | I(q)

1n2s__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (3)