8qjr

BRG1 bromodomain in complex with VBC via compound 17

Method: X-RAY DIFFRACTION

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

Elongin-B

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Elongin-C × 1 （Q15369） von Hippel-Lindau disease tumor suppressor × 1 （P40337） Transcription activator BRG1 × 1 （P51532） PHOSPHATE ION × 5 GLYCEROL × 1 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 water × 4	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 4	Elongin-C × 1 （Q15369） von Hippel-Lindau disease tumor suppressor × 1 （P40337） Transcription activator BRG1 × 1 （P51532） PHOSPHATE ION × 2 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 CHLORIDE ION × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ELOB_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–104； UniProt 1–104 Author chain D； PDBConstruct 1–104； UniProt 1–104

Elongin-C

Homo sapiens

UniProt Q15369

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Elongin-B × 1 （Q15370） von Hippel-Lindau disease tumor suppressor × 1 （P40337） Transcription activator BRG1 × 1 （P51532） PHOSPHATE ION × 5 GLYCEROL × 1 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 water × 4	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 4	Elongin-B × 1 （Q15370） von Hippel-Lindau disease tumor suppressor × 1 （P40337） Transcription activator BRG1 × 1 （P51532） PHOSPHATE ION × 2 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 CHLORIDE ION × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ELOC_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 2–97； UniProt 17–112 Author chain E； PDBConstruct 2–97； UniProt 17–112

von Hippel-Lindau disease tumor suppressor

Homo sapiens

UniProt P40337

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Elongin-B × 1 （Q15370） Elongin-C × 1 （Q15369） Transcription activator BRG1 × 1 （P51532） PHOSPHATE ION × 5 GLYCEROL × 1 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 water × 4	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 4	Elongin-B × 1 （Q15370） Elongin-C × 1 （Q15369） Transcription activator BRG1 × 1 （P51532） PHOSPHATE ION × 2 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 CHLORIDE ION × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VHL_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 3–162； UniProt 54–213 Author chain F； PDBConstruct 3–162； UniProt 54–213

Transcription activator BRG1

Homo sapiens

UniProt P51532

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Elongin-B × 1 （Q15370） Elongin-C × 1 （Q15369） von Hippel-Lindau disease tumor suppressor × 1 （P40337） PHOSPHATE ION × 5 GLYCEROL × 1 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 water × 4	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 4	Elongin-B × 1 （Q15370） Elongin-C × 1 （Q15369） von Hippel-Lindau disease tumor suppressor × 1 （P40337） PHOSPHATE ION × 2 ;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ; × 1 CHLORIDE ION × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SMCA4_HUMAN
Isoform	P51532-2
PDB entities	4
Chains and sequence ranges	Author chain G； PDBConstruct 3–121； UniProt 1418–1536 Author chain H； PDBConstruct 3–121； UniProt 1418–1536

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	8qjr
Deposition date deposition_date	2023-09-13
Structure title title	BRG1 bromodomain in complex with VBC via compound 17
Keywords keywords	BRG1, BROMODOMAIN, VHL, ELONGIN, VBC, E3 LIGASE, VON HIPPEL-LINDAU, UBIQUITINASE, GENE REGULATION; GENE REGULATION
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.

8qjr__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8qjr__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8qjr__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	33.78 Å
Rg (electron density)	34.06 Å
Total Rg	34.33 Å
Atom count	3703
Residues	445
Excluded volume	66261 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8qjr__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`8qjr__assembly_2__model_1`	tetrameric （4）	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 (9)

Entity 1 Entity 1 polymer

Description description	Elongin-B
Molecular weight formula_weight	11748.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D
Atom count atom_count	7553

MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGECGFTSQTARPQAPATVGLAFRADDTFEALCIEPFSSPPELPDVMK

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 polymer

Description description	Elongin-C
Molecular weight formula_weight	10974.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,E

MMYVKLISSDGHEFIVKREHALTSGTIKAMLSGPGQFAENETNEVNFREIPSHVLSKVCMYFTYKVRYTNSSTEIPEFPIAPEIALELLMAANFLDC

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 3 Entity 3 polymer

Description description	von Hippel-Lindau disease tumor suppressor
Molecular weight formula_weight	18702.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,F

GSMEAGRPRPVLRSVNSREPSQVIFCNRSPRVVLPVWLNFDGEPQPYPTLPPGTGRRIHSYRGHLWLFRDAGTHDGLLVNQTELFVPSLNVDGQPIFANITLPVYTLKERCLQVVRSLVKPENYRRLDIVRSLYEDLEDHPNVQKDLERLTQERIAHQRMGD

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 4 Entity 4 polymer

Description description	Transcription activator BRG1
Molecular weight formula_weight	14230.4 kDa
EC 编号 ec_number	3.6.4.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,H

SMLSPNPPNLTKKMKKIVDAVIKYKDSSSGRQLSEVFIQLPSRKELPEYYELIRKPVDFKKIKERIRNHKYRSLNDLEKDVMLLCQNAQTFNLEGSLIYEDSIVLQSVFTSVRQKIEKEDD

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 5 Entity 5 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 6 Entity 6 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 non-polymer

Description description	;(2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide ;
Molecular weight formula_weight	1068.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 8 Entity 8 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 9 Entity 9 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	57

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Unit-cell length a length_a	167.680 Å
Unit-cell length b length_b	88.044 Å
Unit-cell length c length_c	84.978 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	105.89 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	3.170 Å
Low-resolution limit resolution_low	80.640 Å
R factor r_factor	0.2628
R_work r_work	0.2620
R_free r_free	0.2784

BRG1 bromodomain in complex with VBC via compound 17

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

Elongin-B

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Elongin-C

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

von Hippel-Lindau disease tumor suppressor

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Transcription activator BRG1

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

8qjr__assembly_2__model_1

8qjr__assembly_2__model_1 | I(q)

8qjr__assembly_2__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 (9)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 water

7. Citations (1)