SAXSdb — 1uan

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

hypothetical protein TT1542

Thermus thermophilus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q84BR2_THETH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–227； UniProt 1–227 Author chain B； PDBConstruct 1–227； UniProt 1–227

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	1uan
Deposition date deposition_date	2003-03-12
Structure title title	Crystal structure of the conserved protein TT1542 from Thermus thermophilus HB8
Keywords keywords	Rossmann-like, structural genomics, RIKEN Structural Genomics/Proteomics Initiative, RSGI, unknown function; structural genomics, unknown function
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.

1uan__assembly_1__model_1

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

Download this curve (.dat)

1uan__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1uan__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.54 Å
Rg (electron density)	31.00 Å
Total Rg	31.97 Å
Atom count	10227
Residues	1317
Excluded volume	182120 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1uan__assembly_1__model_1`	hexameric （6）	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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1uana_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.134 — LmbE-like
Superfamily Superfamily superfamily	c.134.1 — LmbE-like
Family Family family	c.134.1.1 — LmbE-like

Domain ID domain_id	d1uanb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.134 — LmbE-like
Superfamily Superfamily superfamily	c.134.1 — LmbE-like
Family Family family	c.134.1.1 — LmbE-like

CATH v4.4 (2 domains)

Domain ID domain_id	1uanA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10320 — LmbE-like

Domain ID domain_id	1uanB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10320 — LmbE-like

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Unit-cell length a length_a	107.134 Å
Unit-cell length b length_b	107.134 Å
Unit-cell length c length_c	98.617 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 3 2 1
Space-group number int_tables_number	150
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	19.840 Å
R factor r_factor	0.2030
R_work r_work	0.2009
R_free r_free	0.2426

Description description	hypothetical protein TT1542
Molecular weight formula_weight	24820.3 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	3565

Crystal structure of the conserved protein TT1542 from Thermus thermophilus HB8

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

hypothetical protein TT1542

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

1uan__assembly_1__model_1

1uan__assembly_1__model_1 | I(q)

1uan__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Thermus thermophilus
NCBI taxonomy ID ncbi_taxonomy_id	274
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	156

Crystal structure of the conserved protein TT1542 from Thermus thermophilus HB8

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

hypothetical protein TT1542

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

1uan__assembly_1__model_1

1uan__assembly_1__model_1 | I(q)

1uan__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)