2x3d

Crystal Structure of SSo6206 from Sulfolobus solfataricus P2

Method: X-RAY DIFFRACTION

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

SSO6206

SULFOLOBUS SOLFATARICUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 16	water × 12	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q97ZR0_SULSO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–96； UniProt 1–95 Author chain B； PDBConstruct 2–96； UniProt 1–95 Author chain C； PDBConstruct 2–96； UniProt 1–95 Author chain D； PDBConstruct 2–96； UniProt 1–95 Author chain E； PDBConstruct 2–96； UniProt 1–95 Author chain F； PDBConstruct 2–96； UniProt 1–95 Author chain G； PDBConstruct 2–96； UniProt 1–95 Author chain H； PDBConstruct 2–96； UniProt 1–95

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	2x3d
Deposition date deposition_date	2010-01-24
Structure title title	Crystal Structure of SSo6206 from Sulfolobus solfataricus P2
Keywords keywords	UNKNOWN FUNCTION; 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.

2x3d__assembly_1__model_1

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

Download this curve (.dat)

2x3d__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2x3d__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	37.57 Å
Rg (electron density)	36.52 Å
Total Rg	37.14 Å
Atom count	10924
Residues	1440
Excluded volume	196510 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2x3d__assembly_1__model_1`	hexadecameric （16）	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) 23 domains

SCOP 2.08 (15 domains)

Domain ID domain_id	d2x3da1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3da2
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	d2x3db1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3db2
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	d2x3dc1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3dc2
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	d2x3dd1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3dd2
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	d2x3de1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3de2
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	d2x3df_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3dg1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3dg2
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	d2x3dh1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.61 — MTH889-like
Family Family family	d.58.61.0 — automated matches

Domain ID domain_id	d2x3dh2
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 (8 domains)

Domain ID domain_id	2x3dA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dC01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dD01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dE01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dF01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dG01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

Domain ID domain_id	2x3dH01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1340 — MTH889-like domain

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Unit-cell length a length_a	151.090 Å
Unit-cell length b length_b	82.980 Å
Unit-cell length c length_c	69.860 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	109.70 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	32

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	29.630 Å
R factor r_factor	0.2273
R_work r_work	0.2262
R_free r_free	0.2473

Description description	SSO6206
Molecular weight formula_weight	10552.2 kDa
Source method src_method	man
Copy count entity_count	8

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	5508

Crystal Structure of SSo6206 from Sulfolobus solfataricus P2

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

SSO6206

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

2x3d__assembly_1__model_1

2x3d__assembly_1__model_1 | I(q)

2x3d__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) 23 domains

SCOP 2.08 (15 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Source organism organism	SULFOLOBUS SOLFATARICUS
NCBI taxonomy ID ncbi_taxonomy_id	273057
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	11

Crystal Structure of SSo6206 from Sulfolobus solfataricus P2

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

SSO6206

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

2x3d__assembly_1__model_1

2x3d__assembly_1__model_1 | I(q)

2x3d__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) 23 domains

SCOP 2.08 (15 domains)

CATH v4.4 (8 domains)

7. Citations (1)