3bt1

Structure of urokinase receptor, urokinase and vitronectin complex

Method: X-RAY DIFFRACTION Dmax: 86.8 Å Quality: GOOD

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

Urokinase-type plasminogen activator

Homo sapiens

UniProt P00749

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 21–153 Fragment:urokinase amino terminal fragment, Urokinase-type plasminogen activator long chain A, UNP residues 21-153 Vitronectin × 1 (P04004) Urokinase plasminogen activator surface receptor × 1 (Q03405) alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.5;295 K;12% PEG 3350, 50mM HEPES pH 7.5, MICRODIALYSIS, temperature 295K Resolution 2.80 Å R-free 0.308

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.

147 other PDB entries and 165 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UROK_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–135; UniProt 21–153

Vitronectin

Homo sapiens

UniProt P04004

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 21–60 Fragment:sometomedin-B domain Urokinase-type plasminogen activator × 1 (P00749) Urokinase plasminogen activator surface receptor × 1 (Q03405) alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.5;295 K;12% PEG 3350, 50mM HEPES pH 7.5, MICRODIALYSIS, temperature 295K Resolution 2.80 Å R-free 0.308

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.

8 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VTNC_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–40; UniProt 21–60

Urokinase plasminogen activator surface receptor

Homo sapiens

UniProt Q03405

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain U; UniProt 23–303 Not recorded Urokinase-type plasminogen activator × 1 (P00749) Vitronectin × 1 (P04004) alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.5;295 K;12% PEG 3350, 50mM HEPES pH 7.5, MICRODIALYSIS, temperature 295K Resolution 2.80 Å R-free 0.308

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.

11 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UPAR_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain U; PDBConstruct 3–283; UniProt 23–303

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 3bt1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3bt1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3bt1
Deposition date deposition_date2007-12-27
Structure title titleStructure of urokinase receptor, urokinase and vitronectin complex
Keywords keywords;protein-protein complex, Glycoprotein, GPI-anchor, Lipoprotein, Membrane, Receptor, Secreted, Blood coagulation, EGF-like domain, Fibrinolysis, Hydrolase, Kringle, Phosphoprotein, Plasminogen activation, Protease, Serine protease, Zymogen, Cell adhesion, Heparin-binding, Sulfation, Immunoglobulin domain, IMMUNE SYSTEM ;; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.60
Radius of gyration Rg (electron density) rg_electron24.87
Forward intensity I(0) i052076600.00
Molecular weight molecular_weight49993.0 kDa
Excluded volume excluded_volume60058 ų
Envelope volume envelope_volume77292 ų
Hydration-shell volume shell_volume26788 ų
Envelope diameter envelope_diameter91.7
Shell Rg shell_rg31.28
Envelope Rg envelope_rg24.86
Shape Rg shape_rg24.84
Total Rg total_rg25.63
Total atoms total_atoms3461
Residues n_residues438
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 dmax86.8
Rg (real space) rg_real25.59
Rg uncertainty (real space) rg_real_error0.67
I(0) (real space) i0_real5.2080e+07
I(0) uncertainty (real space) i0_real_error7.3850e+05
Rg (reciprocal space) rg_reciprocal25.60
I(0) (reciprocal space) i0_reciprocal52080000.0000
Solution quality estimate total_estimate0.8865
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary85.4
Skewness Skewness skewness0.328
Kurtosis Kurtosis kurtosis-0.311
Angular range angular_range— – 0.3100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4445000.0000
Real-space data points n_real_points63
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.849; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 11 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd3bt1a1
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.11 — EGF/Laminin
Family Family familyg.3.11.1 — EGF-type module
Domain ID domain_idd3bt1a2
Class classg — Small proteins
Fold Fold foldg.14 — Kringle-like
Superfamily Superfamily superfamilyg.14.1 — Kringle-like
Family Family familyg.14.1.1 — Kringle modules
Domain ID domain_idd3bt1b_
Class classg — Small proteins
Fold Fold foldg.64 — Somatomedin B domain
Superfamily Superfamily superfamilyg.64.1 — Somatomedin B domain
Family Family familyg.64.1.1 — Somatomedin B domain
Domain ID domain_idd3bt1u1
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.3 — Extracellular domain of cell surface receptors
Domain ID domain_idd3bt1u2
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.3 — Extracellular domain of cell surface receptors
Domain ID domain_idd3bt1u3
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.3 — Extracellular domain of cell surface receptors

CATH v4.4 (5 domains)

Domain ID domain_id3bt1A01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3bt1A02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology20 — Plasminogen Kringle 4
Homologous superfamily homologous superfamily10 — Plasminogen Kringle 4
Domain ID domain_id3bt1U01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59
Domain ID domain_id3bt1U02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59
Domain ID domain_id3bt1U03
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59

8. Citations (1)

9. Files and Curves (10)