1bzh

Cyclic peptide inhibitor of human PTP1B

Method: X-RAY DIFFRACTION Dmax: 68.8 Å Quality: GOOD

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

PROTEIN (PROTEIN-TYROSINE-PHOSPHATASE 1B)

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 1–298 Fragment:CATALYTIC DOMAIN PROTEIN (PROTEIN-TYROSINE-PHOSPHATASE 1B INHIBITOR) × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;pH 8.0 Resolution 2.10 Å R-free 0.262

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 1–298; UniProt 1–298

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 1bzh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1bzh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1bzh
Deposition date deposition_date1998-10-28
Structure title titleCyclic peptide inhibitor of human PTP1B
Keywords keywordsPHOSPHORYLATION-INHIBITOR COMPLEX, TYROSINE PHOSPHATASE, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
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_electron18.91
Forward intensity I(0) i022343200.00
Molecular weight molecular_weight35522.0 kDa
Excluded volume excluded_volume44206 ų
Envelope volume envelope_volume49392 ų
Hydration-shell volume shell_volume21329 ų
Envelope diameter envelope_diameter70.0
Shell Rg shell_rg25.86
Envelope Rg envelope_rg19.37
Shape Rg shape_rg18.90
Total Rg total_rg19.85
Total atoms total_atoms2495
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 dmax68.8
Rg (real space) rg_real19.96
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real2.2340e+07
I(0) uncertainty (real space) i0_real_error2.8580e+05
Rg (reciprocal space) rg_reciprocal19.98
I(0) (reciprocal space) i0_reciprocal22340000.0000
Solution quality estimate total_estimate0.7870
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.220
Kurtosis Kurtosis kurtosis-0.325
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5833000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.742; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

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_idd1bzha_
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_id1bzhA00
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)