SAXSdb — 9qbu

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

;Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN ;

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~{S})-2-(2-azaspiro[3.3]heptan-2-ylcarbonyl)-4-[2-[4-(trifluoromethyl)phenyl]ethanoyl]piperazin-1-yl]propan-1-one × 1 1,2-ETHANEDIOL × 1 ZINC ION × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	1-[(2~{S})-2-(2-azaspiro[3.3]heptan-2-ylcarbonyl)-4-[2-[4-(trifluoromethyl)phenyl]ethanoyl]piperazin-1-yl]propan-1-one × 1 1,2-ETHANEDIOL × 1 ZINC ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	WRN_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–443； UniProt 500–942 Author chain B； PDBConstruct 1–443； UniProt 500–942

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	9qbu
Deposition date deposition_date	2025-03-03
Last revision last_revision	2026-03-11
Structure title title	Crystal structure of WRN in complex with (S)-27 (GSK5819992)
Keywords keywords	helicase, WRN, TRANSFERASE; TRANSFERASE
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.

9qbu__assembly_1__model_1

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

Download this curve (.dat)

9qbu__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9qbu__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.70 Å
Rg (electron density)	23.92 Å
Total Rg	24.75 Å
Atom count	3434
Residues	426
Excluded volume	61174 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9qbu__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`9qbu__assembly_2__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	;Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN ;
Molecular weight formula_weight	50480.9 kDa
EC 编号 ec_number	3.1.-.-,5.6.2.4
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7063

NLGLPTKEEEEDDENEANEGEEDDDKDFLWPAPNEEQVTCLKMYFGHSSFKPVQWKVIHSVLEERRDNVAVMATGYGKSLCFQYPPVYVGKIGLVISPLISLMEDQVLQLKMSNIPACFLGSAQSENVLTDIKLGKYRIVYVTPEYCSGNMGLLQQLEADIGITLIAVDEAHCISEWGHDFRDSFRKLGSLKTALPMVPIVALTATASSSIREDIVRCLNLRNPQITCTGFDRPNLYLEVRRKTGNILQDLQPFLVKTSSHWEFEGPTIIYCPSRKMTQQVTGELRKLNLSCGTYHAGMSFSTRKDIHHRFVRDEIQCVIATIAFGMGINKADIRQVIHYGAPKDMESYYQEIGRAGRDGLQSSCHVLWAPADINLNRHLLTEIRNEKFRLYKLKMMAKMEKYLHSSRCRRQIILSHFEDKQVQKASLGIMGTEKCCDNCRSR

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 2 Entity 2 non-polymer

Description description	1-[(2~{S})-2-(2-azaspiro[3.3]heptan-2-ylcarbonyl)-4-[2-[4-(trifluoromethyl)phenyl]ethanoyl]piperazin-1-yl]propan-1-one
Molecular weight formula_weight	451.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 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 4 Entity 4 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	178

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Unit-cell length a length_a	58.410 Å
Unit-cell length b length_b	57.933 Å
Unit-cell length c length_c	133.241 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.31 °
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	2.100 Å
Low-resolution limit resolution_low	58.390 Å
R factor r_factor	0.1996
R_work r_work	0.1970
R_free r_free	0.2494

Crystal structure of WRN in complex with (S)-27 (GSK5819992)

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

;Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN ;

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

9qbu__assembly_1__model_1

9qbu__assembly_1__model_1 | I(q)

9qbu__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

7. Citations (1)

Crystal structure of WRN in complex with (S)-27 (GSK5819992)

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

;Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN ;

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

9qbu__assembly_1__model_1

9qbu__assembly_1__model_1 | I(q)

9qbu__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

7. Citations (1)