1g7b

1.3 A STRUCTURE OF T3R3 HUMAN INSULIN AT 100 K

Method: X-RAY DIFFRACTION Dmax: 79.2 Å Quality: GOOD

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

INSULIN A-CHAIN

OrganismNot specified

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 homooligomer Homooligomer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain A; UniProt 87–107 Chain B; UniProt 25–54 Chain C; UniProt 87–107 Chain D; UniProt 25–54 Fragment:A-CHAIN Fragment:B-CHAIN ZN ZINC ION × 15 CL CHLORIDE ION × 12 X-RAY DIFFRACTION X-ray crystallization conditions:SLOW COOLING;pH 6.3;298 K;5 mg/ml human insulin, 0.01 M HCl, 0.007 M zinc acetate, 0.05 M sodium citrate, 17% acetone, 1.0 M NaCl. pH 6.3, SLOW COOLING at 298K Resolution 1.30 Å R-free 0.204
2 Protein homooligomer Homooligomer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain E; UniProt 87–107 Chain F; UniProt 25–54 Chain G; UniProt 87–107 Chain H; UniProt 25–54 Fragment:A-CHAIN Fragment:B-CHAIN ZN ZINC ION × 6 CL CHLORIDE ION × 9 GOL GLYCEROL × 3 ACN ACETONE × 3 X-RAY DIFFRACTION X-ray crystallization conditions:SLOW COOLING;pH 6.3;298 K;5 mg/ml human insulin, 0.01 M HCl, 0.007 M zinc acetate, 0.05 M sodium citrate, 17% acetone, 1.0 M NaCl. pH 6.3, SLOW COOLING at 298K Resolution 1.30 Å R-free 0.204

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 582 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name INS_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–21; UniProt 87–107 Author chain C; PDBConstruct 1–21; UniProt 87–107 Author chain E; PDBConstruct 1–21; UniProt 87–107 Author chain G; PDBConstruct 1–21; UniProt 87–107 Author chain B; PDBConstruct 1–30; UniProt 25–54 Author chain D; PDBConstruct 1–30; UniProt 25–54 Author chain F; PDBConstruct 1–30; UniProt 25–54 Author chain H; PDBConstruct 1–30; UniProt 25–54

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 1g7b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1g7b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1g7b
Deposition date deposition_date2000-11-09
Structure title title1.3 A STRUCTURE OF T3R3 HUMAN INSULIN AT 100 K
Keywords keywordsT3R3 Human Insulin Hexamer, hormone-growth factor COMPLEX; hormone/growth factor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.98
Radius of gyration Rg (electron density) rg_electron22.48
Forward intensity I(0) i011150100.00
Molecular weight molecular_weight23422.0 kDa
Excluded volume excluded_volume28491 ų
Envelope volume envelope_volume35859 ų
Hydration-shell volume shell_volume14885 ų
Envelope diameter envelope_diameter78.1
Shell Rg shell_rg26.71
Envelope Rg envelope_rg22.42
Shape Rg shape_rg22.40
Total Rg total_rg23.28
Total atoms total_atoms3058
Residues n_residues201
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 dmax79.2
Rg (real space) rg_real23.24
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real1.1150e+07
I(0) uncertainty (real space) i0_real_error1.8770e+05
Rg (reciprocal space) rg_reciprocal23.18
I(0) (reciprocal space) i0_reciprocal11150000.0000
Solution quality estimate total_estimate0.8037
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.5
Skewness Skewness skewness0.536
Kurtosis Kurtosis kurtosis-0.402
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2003000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.656; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.536; Smooth: 0.939

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1g7b.1
Class classg — Small proteins
Fold Fold foldg.1 — Insulin-like
Superfamily Superfamily superfamilyg.1.1 — Insulin-like
Family Family familyg.1.1.1 — Insulin-like
Domain ID domain_idd1g7b.2
Class classg — Small proteins
Fold Fold foldg.1 — Insulin-like
Superfamily Superfamily superfamilyg.1.1 — Insulin-like
Family Family familyg.1.1.1 — Insulin-like
Domain ID domain_idd1g7b.3
Class classg — Small proteins
Fold Fold foldg.1 — Insulin-like
Superfamily Superfamily superfamilyg.1.1 — Insulin-like
Family Family familyg.1.1.1 — Insulin-like
Domain ID domain_idd1g7b.4
Class classg — Small proteins
Fold Fold foldg.1 — Insulin-like
Superfamily Superfamily superfamilyg.1.1 — Insulin-like
Family Family familyg.1.1.1 — Insulin-like

8. Citations (6)

9. Files and Curves (10)