2lb3

Structure of the WW domain of PIN1 in complex with a human phosphorylated Smad3 derived peptide

Method: SOLUTION NMR Dmax: 38.2 Å Quality: GOOD

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

Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1

Homo sapiens

UniProt Q13526

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 6–41 Fragment:residues 6-41 Mothers against decapentaplegic homolog 2 × 1 (Q15796) SOLUTION NMR NMR measurement conditions:pH 7;285 K;Ionic strength (raw mmCIF value) 0.420;Pressure ambient NMR sample composition:1 mM NEDD4LWW3, 3 mM SMAD3, 20 mM sodium phosphate, 100 mM sodium chloride, 2 mM sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:1 mM [U-100% 15N] NEDD4LWW3, 3 mM SMAD3, 20 mM sodium phosphate, 100 mM sodium chloride, 2 mM sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] NEDD4LWW3, 3 mM SMAD3, 20 mM sodium phosphate, 100 mM sodium chloride, 2 mM sodium azide, 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.

189 other PDB entries and 218 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PIN1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–36; UniProt 6–41

Mothers against decapentaplegic homolog 2

OrganismNot specified

UniProt Q15796

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 217–224 Fragment:residues 176-183 Non-standard monomer:Yes (specific site not provided by mmCIF) Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 × 1 (Q13526) SOLUTION NMR NMR measurement conditions:pH 7;285 K;Ionic strength (raw mmCIF value) 0.420;Pressure ambient NMR sample composition:1 mM NEDD4LWW3, 3 mM SMAD3, 20 mM sodium phosphate, 100 mM sodium chloride, 2 mM sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:1 mM [U-100% 15N] NEDD4LWW3, 3 mM SMAD3, 20 mM sodium phosphate, 100 mM sodium chloride, 2 mM sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] NEDD4LWW3, 3 mM SMAD3, 20 mM sodium phosphate, 100 mM sodium chloride, 2 mM sodium azide, 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.

8 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMAD2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–8; UniProt 217–224

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 2lb3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2lb3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2lb3
Deposition date deposition_date2011-03-22
Structure title titleStructure of the WW domain of PIN1 in complex with a human phosphorylated Smad3 derived peptide
Keywords keywordsPIN1, SMAD, CDK, signal transduction, SIGNALING PROTEIN-TRANSCRIPTION complex; SIGNALING PROTEIN/TRANSCRIPTION
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier10.22
Radius of gyration Rg (electron density) rg_electron10.20
Forward intensity I(0) i0169733000.00
Molecular weight molecular_weight102310.0 kDa
Excluded volume excluded_volume125020 ų
Envelope volume envelope_volume12672 ų
Hydration-shell volume shell_volume9120 ų
Envelope diameter envelope_diameter41.8
Shell Rg shell_rg17.51
Envelope Rg envelope_rg12.66
Shape Rg shape_rg10.13
Total Rg total_rg10.63
Total atoms total_atoms14020
Residues n_residues860
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 dmax38.2
Rg (real space) rg_real10.20
Rg uncertainty (real space) rg_real_error0.39
I(0) (real space) i0_real1.6970e+08
I(0) uncertainty (real space) i0_real_error1.7290e+06
Rg (reciprocal space) rg_reciprocal10.20
I(0) (reciprocal space) i0_reciprocal169700000.0000
Solution quality estimate total_estimate0.8372
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary12.1
Skewness Skewness skewness0.191
Kurtosis Kurtosis kurtosis-0.432
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha38040.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.682; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.847; Smooth: 0.986

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)