2h4k

Crystal structure of PTP1B with a monocyclic thiophene inhibitor

Method: X-RAY DIFFRACTION Dmax: 68.9 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–299 Fragment:catalytic domain of PTP1b 509 4-BROMO-3-(CARBOXYMETHOXY)-5-PHENYLTHIOPHENE-2-CARBOXYLIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;15% PEG 4000, 0.1M Hepes, 0.2M MgCl2, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.30 Å R-free 0.260

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

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 2h4k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2h4k
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2h4k
Deposition date deposition_date2006-05-24
Structure title titleCrystal structure of PTP1B with a monocyclic thiophene inhibitor
Keywords keywordsprotein-drug complex structure, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.06
Radius of gyration Rg (electron density) rg_electron18.92
Forward intensity I(0) i021546500.00
Molecular weight molecular_weight34876.0 kDa
Excluded volume excluded_volume43412 ų
Envelope volume envelope_volume49179 ų
Hydration-shell volume shell_volume21250 ų
Envelope diameter envelope_diameter69.3
Shell Rg shell_rg25.86
Envelope Rg envelope_rg19.38
Shape Rg shape_rg18.91
Total Rg total_rg19.86
Total atoms total_atoms2446
Residues n_residues297
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 dmax68.9
Rg (real space) rg_real19.97
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real2.1550e+07
I(0) uncertainty (real space) i0_real_error2.7930e+05
Rg (reciprocal space) rg_reciprocal19.99
I(0) (reciprocal space) i0_reciprocal21550000.0000
Solution quality estimate total_estimate0.8642
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.228
Kurtosis Kurtosis kurtosis-0.300
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5350000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.743; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 1.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2h4ka_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.45 — (Phosphotyrosine protein) phosphatases II
Superfamily Superfamily superfamilyc.45.1 — (Phosphotyrosine protein) phosphatases II
Family Family familyc.45.1.2 — Higher-molecular-weight phosphotyrosine protein phosphatases

CATH v4.4 (1 domains)

Domain ID domain_id2h4kA00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology190 — Protein-Tyrosine Phosphatase; Chain A
Homologous superfamily homologous superfamily10 — Protein tyrosine phosphatase superfamily

8. Citations (2)

9. Files and Curves (10)