4une

Human insulin B26Phe mutant crystal structure

Method: X-RAY DIFFRACTION Dmax: 52.9 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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 90–110 Chain B; UniProt 25–54 Mutation:YES SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;0.15 M NA2SO4, PH 4.0, CP 5 MG/ML Resolution 1.59 Å R-free 0.180
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 90–110 Chain D; UniProt 25–54 Mutation:YES SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;0.15 M NA2SO4, PH 4.0, CP 5 MG/ML Resolution 1.59 Å R-free 0.180
3 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 90–110 Chain B; UniProt 25–54 Chain C; UniProt 90–110 Chain D; UniProt 25–54 Mutation:YES SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;0.15 M NA2SO4, PH 4.0, CP 5 MG/ML Resolution 1.59 Å R-free 0.180

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 581 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 90–110 Author chain C; PDBConstruct 1–21; UniProt 90–110 Author chain B; PDBConstruct 1–30; UniProt 25–54 Author chain D; 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 4une

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4une
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4une
Deposition date deposition_date2014-05-28
Structure title titleHuman insulin B26Phe mutant crystal structure
Keywords keywordsHORMONE, B26 SITE; HORMONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier14.80
Radius of gyration Rg (electron density) rg_electron13.61
Forward intensity I(0) i02916210.00
Molecular weight molecular_weight11501.0 kDa
Excluded volume excluded_volume14226 ų
Envelope volume envelope_volume17156 ų
Hydration-shell volume shell_volume10917 ų
Envelope diameter envelope_diameter52.4
Shell Rg shell_rg19.05
Envelope Rg envelope_rg14.09
Shape Rg shape_rg13.62
Total Rg total_rg14.82
Total atoms total_atoms799
Residues n_residues101
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 dmax52.9
Rg (real space) rg_real14.72
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real2.9160e+06
I(0) uncertainty (real space) i0_real_error3.5800e+04
Rg (reciprocal space) rg_reciprocal14.73
I(0) (reciprocal space) i0_reciprocal2916000.0000
Solution quality estimate total_estimate0.8420
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.2
Skewness Skewness skewness0.186
Kurtosis Kurtosis kurtosis-0.215
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha420100.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.654; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)