2l1y

NMR Structure of human insulin mutant GLY-B20-D-ALA, GLY-B23-D-ALA PRO-B28-LYS, LYS-B29-PRO, 20 Structures

Method: SOLUTION NMR Dmax: 33.4 Å Quality: GOOD

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

Insulin A chain

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 90–110 Chain B; UniProt 25–54 Fragment:UNP rsidues 90-110 Mutation:P28K, K29P Fragment:UNP rsidues 25-54 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7;298 K NMR sample composition:0.5 mM entity_1-1, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–21; UniProt 90–110 Author chain B; 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 2l1y

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2l1y
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2l1y
Deposition date deposition_date2010-08-09
Structure title titleNMR Structure of human insulin mutant GLY-B20-D-ALA, GLY-B23-D-ALA PRO-B28-LYS, LYS-B29-PRO, 20 Structures
Keywords keywordsHORMONE, HUMAN INSULIN, MUTANT; HORMONE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier10.44
Radius of gyration Rg (electron density) rg_electron10.29
Forward intensity I(0) i0194673000.00
Molecular weight molecular_weight116830.0 kDa
Excluded volume excluded_volume145480 ų
Envelope volume envelope_volume12327 ų
Hydration-shell volume shell_volume9155 ų
Envelope diameter envelope_diameter38.7
Shell Rg shell_rg17.21
Envelope Rg envelope_rg12.05
Shape Rg shape_rg10.28
Total Rg total_rg10.48
Total atoms total_atoms15840
Residues n_residues980
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 dmax33.4
Rg (real space) rg_real10.40
Rg uncertainty (real space) rg_real_error0.22
I(0) (real space) i0_real1.9470e+08
I(0) uncertainty (real space) i0_real_error1.8290e+06
Rg (reciprocal space) rg_reciprocal10.40
I(0) (reciprocal space) i0_reciprocal194700000.0000
Solution quality estimate total_estimate0.8962
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary13.5
Skewness Skewness skewness0.131
Kurtosis Kurtosis kurtosis-0.363
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha29030.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.948

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)