SAXSdb — 1e3t

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

NICOTINAMIDE NUCLEOTIDE TRANSHYDROGENASE (SUBUNIT BETA)

RHODOSPIRILLUM RUBRUM

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q59765
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–203； UniProt 262–464

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	1e3t
Deposition date deposition_date	2000-06-22
Structure title title	Solution Structure of the NADP(H) binding Component (dIII) of Proton-Translocating Transhydrogenase from Rhodospirillum rubrum
Keywords keywords	TRANSHYDROGENASE, MEMBRANE PROTEIN, PROTON TRANSLOCATION, NUCLEOTIDE BINDING; TRANSHYDROGENASE
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.

1e3t__assembly_1__model_1

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

Download this curve (.dat)

1e3t__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1e3t__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.60 Å
Rg (electron density)	14.31 Å
Total Rg	15.39 Å
Atom count	2710
Residues	175
Excluded volume	24326 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1e3t__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1e3ta_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.31 — DHS-like NAD/FAD-binding domain
Superfamily Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
Family Family family	c.31.1.4 — Transhydrogenase domain III (dIII)

CATH v4.4 (1 domains)

Domain ID domain_id	1e3tA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1220 — TPP-binding domain

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	1

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

Description description	NICOTINAMIDE NUCLEOTIDE TRANSHYDROGENASE (SUBUNIT BETA)
Molecular weight formula_weight	21485.5 kDa
EC 编号 ec_number	1.6.1.1
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2710

Source organism organism	RHODOSPIRILLUM RUBRUM
NCBI taxonomy ID ncbi_taxonomy_id	1085
Host organism host_organism	ESCHERICHIA COLI

Solution Structure of the NADP(H) binding Component (dIII) of Proton-Translocating Transhydrogenase from Rhodospirillum rubrum

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

NICOTINAMIDE NUCLEOTIDE TRANSHYDROGENASE (SUBUNIT BETA)

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

1e3t__assembly_1__model_1

1e3t__assembly_1__model_1 | I(q)

1e3t__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Solution Structure of the NADP(H) binding Component (dIII) of Proton-Translocating Transhydrogenase from Rhodospirillum rubrum

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

NICOTINAMIDE NUCLEOTIDE TRANSHYDROGENASE (SUBUNIT BETA)

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

1e3t__assembly_1__model_1

1e3t__assembly_1__model_1 | I(q)

1e3t__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)