6he7

20S proteasome from Archaeoglobus fulgidus

Method: ELECTRON MICROSCOPY

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

Proteasome subunit alpha

Archaeoglobus fulgidus DSM 4304

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 14	Proteasome subunit beta × 7 （Q9P996）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSA_ARCFU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–235； UniProt 12–246 Author chain B； PDBConstruct 1–235； UniProt 12–246 Author chain C； PDBConstruct 1–235； UniProt 12–246 Author chain D； PDBConstruct 1–235； UniProt 12–246 Author chain E； PDBConstruct 1–235； UniProt 12–246 Author chain F； PDBConstruct 1–235； UniProt 12–246 Author chain G； PDBConstruct 1–235； UniProt 12–246

Proteasome subunit beta

Archaeoglobus fulgidus DSM 4304

UniProt Q9P996

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 14	Proteasome subunit alpha × 7 （O29760）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSB_ARCFU
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain 1； PDBConstruct 1–202； UniProt 12–213 Author chain 2； PDBConstruct 1–202； UniProt 12–213 Author chain 3； PDBConstruct 1–202； UniProt 12–213 Author chain 4； PDBConstruct 1–202； UniProt 12–213 Author chain 5； PDBConstruct 1–202； UniProt 12–213 Author chain 6； PDBConstruct 1–202； UniProt 12–213 Author chain 7； PDBConstruct 1–202； UniProt 12–213

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	6he7
Deposition date deposition_date	2018-08-20
Structure title title	20S proteasome from Archaeoglobus fulgidus
Keywords keywords	PAN, Proteasome, AAA-ATPase, Archaea, hydrolase; HYDROLASE
Experimental Method method	ELECTRON MICROSCOPY

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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.

6he7__assembly_1__model_1

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

Download this curve (.dat)

6he7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6he7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	46.12 Å
Rg (electron density)	45.16 Å
Total Rg	45.61 Å
Atom count	23821
Residues	3059
Excluded volume	427990 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6he7__assembly_1__model_1`	tetradecameric （14）	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)

Entity 1 Entity 1 polymer

Description description	Proteasome subunit alpha
Molecular weight formula_weight	26333.2 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	man
Copy count entity_count	7

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G
Atom count atom_count	23821

ITVFSPDGRLFQVEYAREAVKRGATAIGIKCKEGVILIADKRVGSKLLEADTIEKIYKIDEHICAATSGLVADARVLIDRARIEAQINRLTYDEPITVKELAKKICDFKQQYTQYGGVRPFGVSLLIAGVDEVPKLYETDPSGALLEYKATAIGMGRNAVTEFFEKEYRDDLSFDDAMVLGLVAMGLSIESELVPENIEVGYVKVDDRTFKEVSPEELKPYVERANERIRELLKK

Source Source

Source organism organism	Archaeoglobus fulgidus DSM 4304
NCBI taxonomy ID ncbi_taxonomy_id	224325
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Proteasome subunit beta
Molecular weight formula_weight	22132.3 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	man
Copy count entity_count	7

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1,2,3,4,5,6,7

TTTVGLVCKDGVVMATEKRATMGNFIASKAAKKIYQIADRMAMTTAGSVGDAQFLARIIKIEANLYEIRRERKPTVRAIATLTSNLLNSYRYFPYLVQLLIGGIDSEGKSIYSIDPIGGAIEEKDIVATGSGSLTAYGVLEDRFTPEIGVDEAVELAVRAIYSAMKRDSASGDGIDVVKITEDEFYQYSPEEVEQILAKFRK

Source Source

Source organism organism	Archaeoglobus fulgidus DSM 4304
NCBI taxonomy ID ncbi_taxonomy_id	224325
Host organism host_organism	Escherichia coli

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6. Fold Classification (SCOP + CATH) 14 domains

CATH v4.4 (14 domains)

Domain ID domain_id	6he7100
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7200
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7300
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7400
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7500
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7600
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7700
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7A00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7B00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7C00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7D00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7E00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7F00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	6he7G00
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	—

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

Resolution resolution	3.69 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	105384

20S proteasome from Archaeoglobus fulgidus

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

Proteasome subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

Proteasome subunit beta

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

6he7__assembly_1__model_1

6he7__assembly_1__model_1 | I(q)

6he7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 14 domains

CATH v4.4 (14 domains)

7. Citations (1)

20S proteasome from Archaeoglobus fulgidus

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

Proteasome subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Proteasome subunit beta

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

6he7__assembly_1__model_1

6he7__assembly_1__model_1 | I(q)

6he7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 14 domains

CATH v4.4 (14 domains)

7. Citations (1)