8qu8

PROTAC-mediated complex of KRAS with VHL/Elongin-B/Elongin-C/Cullin-2/Rbx1

Method: ELECTRON MICROSCOPY Dmax: 156.3 Å Quality: GOOD

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

von Hippel-Lindau disease tumor suppressor

Homo sapiens

UniProt P40337

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 2–213 Not recorded Elongin-B × 1 (Q15370) Elongin-C × 1 (Q15369) Cullin-2 × 1 (Q13617) E3 ubiquitin-protein ligase RBX1, N-terminally processed × 1 (P62877) GTPase KRas × 1 (P01116) ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 WYL (2S,4R)-1-[(2S)-2-[4-[4-[(3S)-4-[4-[5-[(4S)-2-azanyl-3-cyano-4-methyl-6,7-dihydro-5H-1-benzothiophen-4-yl]-1,2,4-oxadiazol-3-yl]pyrimidin-2-yl]-3-methyl-1,4-diazepan-1-yl]butoxy]-1,2,3-triazol-1-yl]-3-methyl-butanoyl]-N-[(1R)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]-2-oxidanyl-ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

141 other PDB entries and 363 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VHL_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–212; UniProt 2–213

Elongin-B

Homo sapiens

UniProt Q15370

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain B; UniProt 2–118 Not recorded von Hippel-Lindau disease tumor suppressor × 1 (P40337) Elongin-C × 1 (Q15369) Cullin-2 × 1 (Q13617) E3 ubiquitin-protein ligase RBX1, N-terminally processed × 1 (P62877) GTPase KRas × 1 (P01116) ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 WYL (2S,4R)-1-[(2S)-2-[4-[4-[(3S)-4-[4-[5-[(4S)-2-azanyl-3-cyano-4-methyl-6,7-dihydro-5H-1-benzothiophen-4-yl]-1,2,4-oxadiazol-3-yl]pyrimidin-2-yl]-3-methyl-1,4-diazepan-1-yl]butoxy]-1,2,3-triazol-1-yl]-3-methyl-butanoyl]-N-[(1R)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]-2-oxidanyl-ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

228 other PDB entries and 478 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ELOB_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–117; UniProt 2–118

Elongin-C

Homo sapiens

UniProt Q15369

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain C; UniProt 2–112 Not recorded von Hippel-Lindau disease tumor suppressor × 1 (P40337) Elongin-B × 1 (Q15370) Cullin-2 × 1 (Q13617) E3 ubiquitin-protein ligase RBX1, N-terminally processed × 1 (P62877) GTPase KRas × 1 (P01116) ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 WYL (2S,4R)-1-[(2S)-2-[4-[4-[(3S)-4-[4-[5-[(4S)-2-azanyl-3-cyano-4-methyl-6,7-dihydro-5H-1-benzothiophen-4-yl]-1,2,4-oxadiazol-3-yl]pyrimidin-2-yl]-3-methyl-1,4-diazepan-1-yl]butoxy]-1,2,3-triazol-1-yl]-3-methyl-butanoyl]-N-[(1R)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]-2-oxidanyl-ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

220 other PDB entries and 467 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ELOC_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–111; UniProt 2–112

Cullin-2

Homo sapiens

UniProt Q13617

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain D; UniProt 2–745 Not recorded von Hippel-Lindau disease tumor suppressor × 1 (P40337) Elongin-B × 1 (Q15370) Elongin-C × 1 (Q15369) E3 ubiquitin-protein ligase RBX1, N-terminally processed × 1 (P62877) GTPase KRas × 1 (P01116) ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 WYL (2S,4R)-1-[(2S)-2-[4-[4-[(3S)-4-[4-[5-[(4S)-2-azanyl-3-cyano-4-methyl-6,7-dihydro-5H-1-benzothiophen-4-yl]-1,2,4-oxadiazol-3-yl]pyrimidin-2-yl]-3-methyl-1,4-diazepan-1-yl]butoxy]-1,2,3-triazol-1-yl]-3-methyl-butanoyl]-N-[(1R)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]-2-oxidanyl-ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

41 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CUL2_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 1–744; UniProt 2–745

E3 ubiquitin-protein ligase RBX1, N-terminally processed

Homo sapiens

UniProt P62877

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain E; UniProt 2–108 Not recorded von Hippel-Lindau disease tumor suppressor × 1 (P40337) Elongin-B × 1 (Q15370) Elongin-C × 1 (Q15369) Cullin-2 × 1 (Q13617) GTPase KRas × 1 (P01116) ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 WYL (2S,4R)-1-[(2S)-2-[4-[4-[(3S)-4-[4-[5-[(4S)-2-azanyl-3-cyano-4-methyl-6,7-dihydro-5H-1-benzothiophen-4-yl]-1,2,4-oxadiazol-3-yl]pyrimidin-2-yl]-3-methyl-1,4-diazepan-1-yl]butoxy]-1,2,3-triazol-1-yl]-3-methyl-butanoyl]-N-[(1R)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]-2-oxidanyl-ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

99 other PDB entries and 107 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RBX1_HUMAN
Isoform
PDB entities 5
Chains and sequence ranges Author chain E; PDBConstruct 1–107; UniProt 2–108

GTPase KRas

Homo sapiens

UniProt P01116

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain F; UniProt 1–164 Not recorded von Hippel-Lindau disease tumor suppressor × 1 (P40337) Elongin-B × 1 (Q15370) Elongin-C × 1 (Q15369) Cullin-2 × 1 (Q13617) E3 ubiquitin-protein ligase RBX1, N-terminally processed × 1 (P62877) ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 WYL (2S,4R)-1-[(2S)-2-[4-[4-[(3S)-4-[4-[5-[(4S)-2-azanyl-3-cyano-4-methyl-6,7-dihydro-5H-1-benzothiophen-4-yl]-1,2,4-oxadiazol-3-yl]pyrimidin-2-yl]-3-methyl-1,4-diazepan-1-yl]butoxy]-1,2,3-triazol-1-yl]-3-methyl-butanoyl]-N-[(1R)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]-2-oxidanyl-ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

445 other PDB entries and 804 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RASK_HUMAN
Isoform
PDB entities 6
Chains and sequence ranges Author chain F; PDBConstruct 2–165; UniProt 1–164

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.

SAXS scattering curve SAXS Profile

SAXS profile for 8qu8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qu8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qu8
Deposition date deposition_date2023-10-14
Structure title titlePROTAC-mediated complex of KRAS with VHL/Elongin-B/Elongin-C/Cullin-2/Rbx1
Keywords keywordsTARGETED PROTEIN DEGRADATION, PROTAC, GTPASE, TRANSFERASE; TRANSFERASE
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier53.47
Radius of gyration Rg (electron density) rg_electron53.19
Forward intensity I(0) i0348619000.00
Molecular weight molecular_weight154440.0 kDa
Excluded volume excluded_volume192980 ų
Envelope volume envelope_volume345230 ų
Hydration-shell volume shell_volume54722 ų
Envelope diameter envelope_diameter166.4
Shell Rg shell_rg58.29
Envelope Rg envelope_rg49.74
Shape Rg shape_rg53.18
Total Rg total_rg53.40
Total atoms total_atoms10838
Residues n_residues1325
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax156.3
Rg (real space) rg_real53.44
Rg uncertainty (real space) rg_real_error1.43
I(0) (real space) i0_real3.4860e+08
I(0) uncertainty (real space) i0_real_error6.9240e+06
Rg (reciprocal space) rg_reciprocal53.47
I(0) (reciprocal space) i0_reciprocal348600000.0000
Solution quality estimate total_estimate0.8312
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary80.8
Skewness Skewness skewness0.072
Kurtosis Kurtosis kurtosis-0.744
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13490000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.937; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.973; Smooth: 0.019

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

8. Citations (2)

9. Files and Curves (10)