SAXSdb — 1ztd

▼

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

Hypothetical Protein Pfu-631545-001

Pyrococcus furiosus

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8U363_PYRFU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 10–133； UniProt 2–125 Author chain B； PDBConstruct 10–133； UniProt 2–125

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1ztd
Deposition date deposition_date	2005-05-26
Structure title title	Hypothetical Protein Pfu-631545-001 From Pyrococcus furiosus
Keywords keywords	;STRUCTURAL GENOMICS, SOUTHEAST COLLABORATORY FOR STRUCTURAL GENOMICS, SECSG, PROTEIN STRUCTURE INITIATIVE, PSI, CONSERVED HYPOTHETICAL PROTEIN, PYROCOCCUS FURIOSUS, HYPERTHERMOPHILE, Pfu-631545-001, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1ztd__assembly_1__model_1

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

Download this curve (.dat)

1ztd__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ztd__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.03 Å
Rg (electron density)	18.88 Å
Total Rg	19.96 Å
Atom count	1942
Residues	250
Excluded volume	35355 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ztd__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1ztda1
Class class	a — All alpha proteins
Fold Fold fold	a.149 — RNase III domain-like
Superfamily Superfamily superfamily	a.149.1 — RNase III domain-like
Family Family family	a.149.1.2 — PF0609-like

Domain ID domain_id	d1ztda2
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

Domain ID domain_id	d1ztdb2
Class class	a — All alpha proteins
Fold Fold fold	a.149 — RNase III domain-like
Superfamily Superfamily superfamily	a.149.1 — RNase III domain-like
Family Family family	a.149.1.2 — PF0609-like

Domain ID domain_id	d1ztdb3
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	1ztdA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1520 — Ribonuclease iii, N-terminal Endonuclease Domain; Chain A
Homologous superfamily homologous superfamily	20 — Ribonuclease III

Domain ID domain_id	1ztdB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1520 — Ribonuclease iii, N-terminal Endonuclease Domain; Chain A
Homologous superfamily homologous superfamily	20 — Ribonuclease III

▶

Unit-cell length a length_a	36.352 Å
Unit-cell length b length_b	61.093 Å
Unit-cell length c length_c	51.582 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	97.62 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	35.970 Å
R factor r_factor	0.2340
R_work r_work	0.2340
R_free r_free	0.2720

Description description	Hypothetical Protein Pfu-631545-001
Molecular weight formula_weight	14735.1 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	2005

Hypothetical Protein Pfu-631545-001 From Pyrococcus furiosus

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

Hypothetical Protein Pfu-631545-001

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

1ztd__assembly_1__model_1

1ztd__assembly_1__model_1 | I(q)

1ztd__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) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Pyrococcus furiosus
NCBI taxonomy ID ncbi_taxonomy_id	2261
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	63

Hypothetical Protein Pfu-631545-001 From Pyrococcus furiosus

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

Hypothetical Protein Pfu-631545-001

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

1ztd__assembly_1__model_1

1ztd__assembly_1__model_1 | I(q)

1ztd__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) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)