1lqb

Crystal structure of a hydroxylated HIF-1 alpha peptide bound to the pVHL/elongin-C/elongin-B complex

Method: X-RAY DIFFRACTION Dmax: 90.7 Å Quality: REASONABLE

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

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–118 Not recorded Elongin C × 1 (Q15369) von hippel-lindau disease tumor supressor × 1 (P40337) Hypoxia-inducible factor 1 ALPHA × 1 (Q16665) SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 1–118 Not recorded Elongin C × 2 (Q15369) von hippel-lindau disease tumor supressor × 2 (P40337) Hypoxia-inducible factor 1 ALPHA × 2 (Q16665) SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277

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 477 assemblies. Open the comparison page and filter oligomeric states

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

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 17–112 Fragment:residues 17-112 Elongin B × 1 (Q15370) von hippel-lindau disease tumor supressor × 1 (P40337) Hypoxia-inducible factor 1 ALPHA × 1 (Q16665) SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain B; UniProt 17–112 Fragment:residues 17-112 Elongin B × 2 (Q15370) von hippel-lindau disease tumor supressor × 2 (P40337) Hypoxia-inducible factor 1 ALPHA × 2 (Q16665) SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277

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 466 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ELOC_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–96; UniProt 17–112

von hippel-lindau disease tumor supressor

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 52–213 Fragment:residues 52-213 Elongin B × 1 (Q15370) Elongin C × 1 (Q15369) Hypoxia-inducible factor 1 ALPHA × 1 (Q16665) SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain C; UniProt 52–213 Fragment:residues 52-213 Elongin B × 2 (Q15370) Elongin C × 2 (Q15369) Hypoxia-inducible factor 1 ALPHA × 2 (Q16665) SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277

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 362 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VHL_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–162; UniProt 52–213

Hypoxia-inducible factor 1 ALPHA

OrganismNot specified

UniProt Q16665

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain D; UniProt 549–582 Fragment:residues 549-582 Non-standard monomer:Yes (specific site not provided by mmCIF) Elongin B × 1 (Q15370) Elongin C × 1 (Q15369) von hippel-lindau disease tumor supressor × 1 (P40337) SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain D; UniProt 549–582 Fragment:residues 549-582 Non-standard monomer:Yes (specific site not provided by mmCIF) Elongin B × 2 (Q15370) Elongin C × 2 (Q15369) von hippel-lindau disease tumor supressor × 2 (P40337) SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.4;298 K;HEPES, PEG2000 monomethylester, ammonium sulfate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.277

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.

21 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HIF1A_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 1–34; UniProt 549–582

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 1lqb

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1lqb
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1lqb
Deposition date deposition_date2002-05-09
Structure title titleCrystal structure of a hydroxylated HIF-1 alpha peptide bound to the pVHL/elongin-C/elongin-B complex
Keywords keywordsprotein-peptide complex, tumor suppressor, cancer, proteosomal degradation, ubiquitin, prolyl hydroxylation, GENE REGULATION; GENE REGULATION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.35
Radius of gyration Rg (electron density) rg_electron24.37
Forward intensity I(0) i028767700.00
Molecular weight molecular_weight41363.0 kDa
Excluded volume excluded_volume51915 ų
Envelope volume envelope_volume63865 ų
Hydration-shell volume shell_volume22732 ų
Envelope diameter envelope_diameter94.0
Shell Rg shell_rg30.44
Envelope Rg envelope_rg24.56
Shape Rg shape_rg24.38
Total Rg total_rg25.08
Total atoms total_atoms2910
Residues n_residues359
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 dmax90.7
Rg (real space) rg_real25.41
Rg uncertainty (real space) rg_real_error0.92
I(0) (real space) i0_real2.8770e+07
I(0) uncertainty (real space) i0_real_error4.5870e+05
Rg (reciprocal space) rg_reciprocal25.40
I(0) (reciprocal space) i0_reciprocal28770000.0000
Solution quality estimate total_estimate0.6451
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.9
Skewness Skewness skewness0.392
Kurtosis Kurtosis kurtosis-0.334
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4603000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.761; Stabil: 1.000; Sysdev: 0.120; Positv: 1.000; Valcen: 0.778; Smooth: 0.959

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1lqba_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related
Domain ID domain_idd1lqbb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.42 — POZ domain
Superfamily Superfamily superfamilyd.42.1 — POZ domain
Family Family familyd.42.1.1 — BTB/POZ domain
Domain ID domain_idd1lqbc_
Class classb — All beta proteins
Fold Fold foldb.3 — Prealbumin-like
Superfamily Superfamily superfamilyb.3.3 — VHL
Family Family familyb.3.3.1 — VHL

CATH v4.4 (4 domains)

Domain ID domain_id1lqbA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id1lqbB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology710 — Potassium Channel Kv1.1; Chain A
Homologous superfamily homologous superfamily10 — Potassium Channel Kv1.1; Chain A
Domain ID domain_id1lqbC01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology750 — Elongin C; Chain C, domain 1
Homologous superfamily homologous superfamily10 — von Hippel-Lindau disease tumour suppressor, alpha domain
Domain ID domain_id1lqbC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily780 — von Hippel-Lindau disease tumour suppressor, beta domain

8. Citations (1)

9. Files and Curves (10)