SAXSdb — 1hv8

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

PUTATIVE ATP-DEPENDENT RNA HELICASE MJ0669

Methanocaldococcus jannaschii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	SULFATE ION × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	H669_METJA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–367； UniProt 1–367 Author chain B； PDBConstruct 1–367； UniProt 1–367

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	1hv8
Deposition date deposition_date	2001-01-08
Structure title title	CRYSTAL STRUCTURE OF A DEAD BOX PROTEIN FROM THE HYPERTHERMOPHILE METHANOCOCCUS JANNASCHII
Keywords keywords	Helicase, RNA-binding Protein, ATPase, RNA BINDING PROTEIN; RNA BINDING PROTEIN
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.

1hv8__assembly_1__model_1

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

Download this curve (.dat)

1hv8__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1hv8__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.27 Å
Rg (electron density)	31.88 Å
Total Rg	32.27 Å
Atom count	5852
Residues	706
Excluded volume	105910 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1hv8__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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1hv8a1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.19 — Tandem AAA-ATPase domain

Domain ID domain_id	d1hv8a2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.19 — Tandem AAA-ATPase domain

Domain ID domain_id	d1hv8b1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.19 — Tandem AAA-ATPase domain

Domain ID domain_id	d1hv8b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.19 — Tandem AAA-ATPase domain

CATH v4.4 (4 domains)

Domain ID domain_id	1hv8A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1hv8A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1hv8B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1hv8B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

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Unit-cell length a length_a	109.132 Å
Unit-cell length b length_b	131.450 Å
Unit-cell length c length_c	131.829 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	16

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2700
R_free r_free	0.3160

Description description	PUTATIVE ATP-DEPENDENT RNA HELICASE MJ0669
Molecular weight formula_weight	42503.0 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	5852

CRYSTAL STRUCTURE OF A DEAD BOX PROTEIN FROM THE HYPERTHERMOPHILE METHANOCOCCUS JANNASCHII

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

PUTATIVE ATP-DEPENDENT RNA HELICASE MJ0669

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

1hv8__assembly_1__model_1

1hv8__assembly_1__model_1 | I(q)

1hv8__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 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Methanocaldococcus jannaschii
NCBI taxonomy ID ncbi_taxonomy_id	2190
Host organism host_organism	Escherichia coli

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	6

CRYSTAL STRUCTURE OF A DEAD BOX PROTEIN FROM THE HYPERTHERMOPHILE METHANOCOCCUS JANNASCHII

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

PUTATIVE ATP-DEPENDENT RNA HELICASE MJ0669

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

1hv8__assembly_1__model_1

1hv8__assembly_1__model_1 | I(q)

1hv8__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 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)