8exk

Crystal structure of PTP1B D181A/Q262A phosphatase domain with JAK2 activation loop phosphopeptide

Method: X-RAY DIFFRACTION Dmax: 64.7 Å Quality: GOOD

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

Tyrosine-protein phosphatase non-receptor type 1

Homo sapiens

UniProt P18031

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 3–299 Mutation:D181A/Q262A Tyrosine-protein kinase JAK2 activation loop peptide × 1 (O60674) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;281.15 K;14% PEG 8K, 0.10 M Mg Acetate, 0.1 M MES (pH 6.5) Resolution 2.10 Å R-free 0.250

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.

440 other PDB entries and 469 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PTN1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–297; UniProt 3–299

Tyrosine-protein kinase JAK2 activation loop peptide

OrganismNot specified

UniProt O60674

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 1000–1015 Fragment:residues 1000-1015 of JAK2 Tyrosine-protein phosphatase non-receptor type 1 × 1 (P18031) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;281.15 K;14% PEG 8K, 0.10 M Mg Acetate, 0.1 M MES (pH 6.5) Resolution 2.10 Å R-free 0.250

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.

161 other PDB entries and 251 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name JAK2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–16; UniProt 1000–1015

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 8exk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8exk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8exk
Deposition date deposition_date2022-10-25
Structure title titleCrystal structure of PTP1B D181A/Q262A phosphatase domain with JAK2 activation loop phosphopeptide
Keywords keywordsPTP1B, JAK/STAT, IRK, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.05
Radius of gyration Rg (electron density) rg_electron18.84
Forward intensity I(0) i020938700.00
Molecular weight molecular_weight34307.0 kDa
Excluded volume excluded_volume42681 ų
Envelope volume envelope_volume48603 ų
Hydration-shell volume shell_volume21121 ų
Envelope diameter envelope_diameter66.7
Shell Rg shell_rg25.63
Envelope Rg envelope_rg19.21
Shape Rg shape_rg18.85
Total Rg total_rg19.75
Total atoms total_atoms2414
Residues n_residues302
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 dmax64.7
Rg (real space) rg_real19.95
Rg uncertainty (real space) rg_real_error0.29
I(0) (real space) i0_real2.0940e+07
I(0) uncertainty (real space) i0_real_error2.6120e+05
Rg (reciprocal space) rg_reciprocal19.97
I(0) (reciprocal space) i0_reciprocal20940000.0000
Solution quality estimate total_estimate0.8889
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.207
Kurtosis Kurtosis kurtosis-0.349
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha4608000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.854; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)