SAXSdb — 1a80

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

2,5-DIKETO-D-GLUCONIC ACID REDUCTASE A

Corynebacterium sp.

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DKGA_CORSC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–277； UniProt 2–278

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	1a80
Deposition date deposition_date	1998-03-31
Structure title title	Native 2,5-DIKETO-D-GLUCONIC acid reductase a from CORYNBACTERIUM SP. complexed with nadph
Keywords keywords	OXIDOREDUCTASE, ALPHA8/BETA8 BARREL, 2, 5-DIKETO-D-GLUCONIC ACID, COMMERCIAL VITAMIN C SYNTHESIS; 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.

1a80__assembly_1__model_1

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

Download this curve (.dat)

1a80__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1a80__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.00 Å
Rg (electron density)	17.73 Å
Total Rg	18.63 Å
Atom count	2170
Residues	277
Excluded volume	38053 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1a80__assembly_1__model_1`	monomeric （1）	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 (3)

Entity 1 Entity 1 polymer

Description description	2,5-DIKETO-D-GLUCONIC ACID REDUCTASE A
Molecular weight formula_weight	30020.5 kDa
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	2275

TVPSIVLNDGNSIPQLGYGVFKVPPADTQRAVEEALEVGYRHIDTAAIYGNEEGVGAAIAASGIARDDLFITTKLWNDRHDGDEPAAAIAESLAKLALDQVDLYLVHWPTPAADNYVHAWEKMIELRAAGLTRSIGVSNHLVPHLERIVAATGVVPAVNQIELHPAYQQREITDWAAAHDVKIESWGPLGQGKYDLFGAEPVTAAAAAHGKTPAQAVLRWHLQKGFVVFPKSVRRERLEENLDVFDFDLTDTEIAAIDAMDPGDGSGRVSAHPDEVD

Source Source

Source organism organism	Corynebacterium sp.
NCBI taxonomy ID ncbi_taxonomy_id	1720
Host organism host_organism	Pantoea citrea

Entity 2 Entity 2 non-polymer

Description description	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Molecular weight formula_weight	745.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	105

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1a80a_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.7 — NAD(P)-linked oxidoreductase
Family Family family	c.1.7.1 — Aldo-keto reductases (NADP)

CATH v4.4 (1 domains)

Domain ID domain_id	1a80A00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	100 — NADP-dependent oxidoreductase domain

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Unit-cell length a length_a	35.700 Å
Unit-cell length b length_b	55.800 Å
Unit-cell length c length_c	74.700 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	92.20 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	60.000 Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Native 2,5-DIKETO-D-GLUCONIC acid reductase a from CORYNBACTERIUM SP. complexed with nadph

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

2,5-DIKETO-D-GLUCONIC ACID REDUCTASE A

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

1a80__assembly_1__model_1

1a80__assembly_1__model_1 | I(q)

1a80__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)

Native 2,5-DIKETO-D-GLUCONIC acid reductase a from CORYNBACTERIUM SP. complexed with nadph

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

2,5-DIKETO-D-GLUCONIC ACID REDUCTASE A

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

1a80__assembly_1__model_1

1a80__assembly_1__model_1 | I(q)

1a80__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)