7stk

Full-length insulin receptor bound with unsaturated insulin WT (2 insulins bound) asymmetric conformation (Conformation 2)

Method: ELECTRON MICROSCOPY Dmax: 176.5 Å Quality: GOOD

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

Insulin receptor

Mus musculus

UniProt P15208

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 1–1372 Chain B; UniProt 1–1372 Not recorded Insulin × 2 (P01308) ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.00 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.

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

View Construct and Data Evidence
UniProt name INSR_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1372; UniProt 1–1372 Author chain B; PDBConstruct 1–1372; UniProt 1–1372

Insulin

Homo sapiens

UniProt P01308

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 1–110 Chain D; UniProt 1–110 Not recorded Insulin receptor × 2 (P15208) ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.00 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.

369 other PDB entries and 583 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name INS_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–110; UniProt 1–110 Author chain D; PDBConstruct 1–110; UniProt 1–110

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 7stk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7stk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7stk
Deposition date deposition_date2021-11-14
Structure title titleFull-length insulin receptor bound with unsaturated insulin WT (2 insulins bound) asymmetric conformation (Conformation 2)
Keywords keywordsinsulin receptor, site 1 binding deficient mutant insulin, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier51.92
Radius of gyration Rg (electron density) rg_electron51.67
Forward intensity I(0) i0585013000.00
Molecular weight molecular_weight198140.0 kDa
Excluded volume excluded_volume246960 ų
Envelope volume envelope_volume390770 ų
Hydration-shell volume shell_volume66749 ų
Envelope diameter envelope_diameter175.1
Shell Rg shell_rg51.81
Envelope Rg envelope_rg49.37
Shape Rg shape_rg51.65
Total Rg total_rg51.73
Total atoms total_atoms13911
Residues n_residues1726
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 dmax176.5
Rg (real space) rg_real51.96
Rg uncertainty (real space) rg_real_error1.84
I(0) (real space) i0_real5.8500e+08
I(0) uncertainty (real space) i0_real_error1.1030e+07
Rg (reciprocal space) rg_reciprocal51.88
I(0) (reciprocal space) i0_reciprocal584900000.0000
Solution quality estimate total_estimate0.8935
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary64.7
Skewness Skewness skewness0.250
Kurtosis Kurtosis kurtosis-0.586
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha29150000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.909; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.888

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id7stkB01
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology20 — 24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a'; Chain A
Homologous superfamily homologous superfamily20 — Receptor L-domain

8. Citations (1)

9. Files and Curves (10)