SAXSdb — 2p62

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

Hypothetical protein PH0156

Pyrococcus horikoshii

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	O57895_PYRHO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–241； UniProt 1–241 Author chain B； PDBConstruct 1–241； UniProt 1–241

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	2p62
Deposition date deposition_date	2007-03-16
Structure title title	Crystal structure of hypothetical protein PH0156 from Pyrococcus horikoshii OT3
Keywords keywords	;hypothetical protein, PH0156, STRUCTURAL GENOMICS, Pyrococcus horikoshii OT3, PSI, Protein Structure Initiative, Southeast Collaboratory for Structural Genomics, SECSG, NPPSFA, National Project on Protein Structural and Functional Analyses, 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.

2p62__assembly_1__model_1

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

Download this curve (.dat)

2p62__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2p62__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.38 Å
Rg (electron density)	25.27 Å
Total Rg	26.14 Å
Atom count	3888
Residues	482
Excluded volume	70689 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2p62__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) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2p62a1
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.67 — PH0156-like
Superfamily Superfamily superfamily	e.67.1 — PH0156-like
Family Family family	e.67.1.1 — PH0156-like

Domain ID domain_id	d2p62b_
Class class	e — Multi-domain proteins (alpha and beta)
Fold Fold fold	e.67 — PH0156-like
Superfamily Superfamily superfamily	e.67.1 — PH0156-like
Family Family family	e.67.1.1 — PH0156-like

CATH v4.4 (4 domains)

Domain ID domain_id	2p62A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10620 — PH0156-like domains

Domain ID domain_id	2p62A02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3490 — PH0156-like
Homologous superfamily homologous superfamily	10 — PH0156-like

Domain ID domain_id	2p62B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10620 — PH0156-like domains

Domain ID domain_id	2p62B02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3490 — PH0156-like
Homologous superfamily homologous superfamily	10 — PH0156-like

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Unit-cell length a length_a	122.071 Å
Unit-cell length b length_b	122.071 Å
Unit-cell length c length_c	109.067 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 61
Space-group number int_tables_number	169
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	40.670 Å
R factor r_factor	—
R_work r_work	0.2130
R_free r_free	0.2440

Description description	Hypothetical protein PH0156
Molecular weight formula_weight	27632.4 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	4019

Crystal structure of hypothetical protein PH0156 from Pyrococcus horikoshii OT3

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

Hypothetical protein PH0156

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

2p62__assembly_1__model_1

2p62__assembly_1__model_1 | I(q)

2p62__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 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Pyrococcus horikoshii
NCBI taxonomy ID ncbi_taxonomy_id	70601
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	131

Crystal structure of hypothetical protein PH0156 from Pyrococcus horikoshii OT3

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

Hypothetical protein PH0156

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

2p62__assembly_1__model_1

2p62__assembly_1__model_1 | I(q)

2p62__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 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)