SAXSdb — 1pvm

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

conserved hypothetical protein Ta0289

Thermoplasma acidophilum DSM 1728

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	MERCURY (II) ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9HLD9_THEAC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 7–184； UniProt 1–178 Author chain B； PDBConstruct 7–184； UniProt 1–178

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	1pvm
Deposition date deposition_date	2003-06-27
Structure title title	Crystal Structure of a Conserved CBS Domain Protein TA0289 of Unknown Function from Thermoplasma acidophilum
Keywords keywords	STRUCTURAL GENOMICS, CBS domain, PSI, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, 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.

1pvm__assembly_1__model_1

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

Download this curve (.dat)

1pvm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1pvm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.14 Å
Rg (electron density)	20.79 Å
Total Rg	21.93 Å
Atom count	2889
Residues	362
Excluded volume	51738 Å³
Maximum q	0.500 Å⁻¹

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

Entity 1 Entity 1 polymer

Description description	conserved hypothetical protein Ta0289
Molecular weight formula_weight	20930.2 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	3391

VPRGGHMFMRVEKIMNSNFKTVNWNTTVFDAVKIMNENHLYGLVVKDDNGNDVGLLSERSIIKRFIPRNKKPDEVPIRLVMRKPIPKVKSDYDVKDVAAYLSENGLERCAVVDDPGRVVGIVTLTDLSRYLSRASITDILLSHRTKDYQHLCPKCGVGVLEPVYNEKGEIKVFRCSNPACDYEE

Source Source

Source organism organism	Thermoplasma acidophilum DSM 1728
NCBI taxonomy ID ncbi_taxonomy_id	273075
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MERCURY (II) ION
Molecular weight formula_weight	200.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	502

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d1pvma3
Class class	g — Small proteins
Fold Fold fold	g.41 — Rubredoxin-like
Superfamily Superfamily superfamily	g.41.13 — Hypothetical protein Ta0289 C-terminal domain
Family Family family	g.41.13.1 — Hypothetical protein Ta0289 C-terminal domain

Domain ID domain_id	d1pvma4
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.37 — CBS-domain pair
Superfamily Superfamily superfamily	d.37.1 — CBS-domain pair
Family Family family	d.37.1.1 — CBS-domain pair

Domain ID domain_id	d1pvmb3
Class class	g — Small proteins
Fold Fold fold	g.41 — Rubredoxin-like
Superfamily Superfamily superfamily	g.41.13 — Hypothetical protein Ta0289 C-terminal domain
Family Family family	g.41.13.1 — Hypothetical protein Ta0289 C-terminal domain

Domain ID domain_id	d1pvmb4
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.37 — CBS-domain pair
Superfamily Superfamily superfamily	d.37.1 — CBS-domain pair
Family Family family	d.37.1.1 — CBS-domain pair

Domain ID domain_id	d1pvmb5
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	1pvmA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	580 — CBS-domain
Homologous superfamily homologous superfamily	10 — CBS-domain

Domain ID domain_id	1pvmB00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	580 — CBS-domain
Homologous superfamily homologous superfamily	10 — CBS-domain

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Unit-cell length a length_a	58.735 Å
Unit-cell length b length_b	62.838 Å
Unit-cell length c length_c	97.278 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	37.460 Å
R factor r_factor	0.1940
R_work r_work	0.1940
R_free r_free	0.2280

Crystal Structure of a Conserved CBS Domain Protein TA0289 of Unknown Function from Thermoplasma acidophilum

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

conserved hypothetical protein Ta0289

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

1pvm__assembly_1__model_1

1pvm__assembly_1__model_1 | I(q)

1pvm__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) 7 domains

SCOP 2.08 (5 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal Structure of a Conserved CBS Domain Protein TA0289 of Unknown Function from Thermoplasma acidophilum

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

conserved hypothetical protein Ta0289

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

1pvm__assembly_1__model_1

1pvm__assembly_1__model_1 | I(q)

1pvm__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) 7 domains

SCOP 2.08 (5 domains)

CATH v4.4 (2 domains)

7. Citations (1)