SAXSdb — 6s55

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

ATPase family AAA domain-containing protein 2

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	1,2-ETHANEDIOL × 2 SULFATE ION × 2 2-[2,5-bis(oxidanylidene)imidazolidin-1-yl]-~{N}-[4-bromanyl-3-[(3~{S})-3-methylpiperidin-1-yl]sulfonyl-phenyl]ethanamide × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ATAD2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–130； UniProt 981–1108

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	6s55
Deposition date deposition_date	2019-06-30
Structure title title	Crystal structure of human ATAD2 bromodomain in complex with N-(4-bromo-3-((3-methylpiperidin-1-yl)sulfonyl)phenyl)-2-(2,5-dioxoimidazolidin-1-yl)acetamide
Keywords keywords	INHIBITOR, ATAD2, BROMODOMAIN, EPIGENETICS, ATPase family AAA domain-containing protein 2, transcription; TRANSCRIPTION
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.

6s55__assembly_1__model_1

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

Download this curve (.dat)

6s55__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6s55__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.40 Å
Rg (electron density)	16.27 Å
Total Rg	17.21 Å
Atom count	1130
Residues	130
Excluded volume	19973 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6s55__assembly_1__model_1`	monomeric （1）	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 (5)

Entity 1 Entity 1 polymer

Description description	ATPase family AAA domain-containing protein 2
Molecular weight formula_weight	15453.5 kDa
EC 编号 ec_number	3.6.1.3
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1360

SMQEEDTFRELRIFLRNVTHRLAIDKRFRVFTKPVDPDEVPDYVTVIKQPMDLSSVISKIDLHKYLTVKDYLRDIDLICSNALEYNPDRDPGDRLIRHRACALRDTAYAIIKEELDEDFEQLCEEIQESR

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	2-[2,5-bis(oxidanylidene)imidazolidin-1-yl]-~{N}-[4-bromanyl-3-[(3~{S})-3-methylpiperidin-1-yl]sulfonyl-phenyl]ethanamide
Molecular weight formula_weight	473.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	220

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	6s55A00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily	10 — Bromodomain-like

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Unit-cell length a length_a	79.664 Å
Unit-cell length b length_b	79.664 Å
Unit-cell length c length_c	137.341 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 65 2 2
Space-group number int_tables_number	179
Crystal system crystal_system	—

Resolution resolution	2.090 Å
Low-resolution limit resolution_low	48.670 Å
R factor r_factor	0.1864
R_work r_work	0.1835
R_free r_free	0.2433

Crystal structure of human ATAD2 bromodomain in complex with N-(4-bromo-3-((3-methylpiperidin-1-yl)sulfonyl)phenyl)-2-(2,5-dioxoimidazolidin-1-yl)acetamide

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

ATPase family AAA domain-containing protein 2

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

6s55__assembly_1__model_1

6s55__assembly_1__model_1 | I(q)

6s55__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

Crystal structure of human ATAD2 bromodomain in complex with N-(4-bromo-3-((3-methylpiperidin-1-yl)sulfonyl)phenyl)-2-(2,5-dioxoimidazolidin-1-yl)acetamide

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

ATPase family AAA domain-containing protein 2

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

6s55__assembly_1__model_1

6s55__assembly_1__model_1 | I(q)

6s55__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)