8exj

Crystal structure of PTP1B D181A/Q262A phosphatase domain in complex with a JAK1 activation loop phosphopeptide

Method: X-RAY DIFFRACTION Dmax: 64.3 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 1–299 Mutation:D181A/Q262A Tyrosine-protein kinase JAK1 activation loop peptide × 1 (P23458) PO4 PHOSPHATE ION × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;281.15 K;12% Peg 4K, 0.1 M Calcium acetate, 0.05 M MES (pH 6.5) Resolution 2.30 Å R-free 0.238

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 1–299; UniProt 1–299

Tyrosine-protein kinase JAK1 activation loop peptide

OrganismNot specified

UniProt P23458

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 D; UniProt 1027–1042 Fragment:residues 1027-1042 of JAK1 Tyrosine-protein phosphatase non-receptor type 1 × 1 (P18031) PO4 PHOSPHATE ION × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;281.15 K;12% Peg 4K, 0.1 M Calcium acetate, 0.05 M MES (pH 6.5) Resolution 2.30 Å R-free 0.238

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.

49 other PDB entries and 85 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name JAK1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 1–16; UniProt 1027–1042

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 8exj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8exj
Deposition date deposition_date2022-10-25
Structure title titleCrystal structure of PTP1B D181A/Q262A phosphatase domain in complex with a JAK1 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_guinier20.11
Radius of gyration Rg (electron density) rg_electron18.95
Forward intensity I(0) i021540400.00
Molecular weight molecular_weight34810.0 kDa
Excluded volume excluded_volume43306 ų
Envelope volume envelope_volume49559 ų
Hydration-shell volume shell_volume21395 ų
Envelope diameter envelope_diameter66.9
Shell Rg shell_rg25.75
Envelope Rg envelope_rg19.31
Shape Rg shape_rg18.95
Total Rg total_rg19.85
Total atoms total_atoms2471
Residues n_residues305
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 dmax64.3
Rg (real space) rg_real20.01
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real2.1540e+07
I(0) uncertainty (real space) i0_real_error2.7040e+05
Rg (reciprocal space) rg_reciprocal20.03
I(0) (reciprocal space) i0_reciprocal21540000.0000
Solution quality estimate total_estimate0.8920
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.7
Skewness Skewness skewness0.196
Kurtosis Kurtosis kurtosis-0.368
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4790000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.868; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)