9LIC | pdb_00009lic

Crystal structure of apo form of protein tyrosine phosphatase 1B (PTP1B)

• PDB DOI: https://doi.org/10.2210/pdb9LIC/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2025-01-14 Released: 2026-01-28 
• Deposition Author(s): Do, H., Hwang, J., Lee, J.H.
• Funding Organization(s): National Research Foundation (NRF, Korea)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.208 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.186 (Depositor), 0.191 (DCC) 
• R-Value Observed: 
  0.187 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of apo form of protein tyrosine phosphatase 1B (PTP1B)

Do, H., Hwang, J., Lee, J.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 34.72 kDa 
• Atom Count: 2,388 
• Modeled Residue Count: 281 
• Deposited Residue Count: 298 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tyrosine-protein phosphatase non-receptor type 1	A	298	Homo sapiens	Mutation(s): 0  Gene Names: PTPN1, PTP1B EC: 3.1.3.48
UniProt & NIH Common Fund Data Resources
Find proteins for P18031 (Homo sapiens) Explore P18031  Go to UniProtKB:  P18031
PHAROS:  P18031 GTEx:  ENSG00000196396

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.208 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.186 (Depositor), 0.191 (DCC) 
• R-Value Observed: 0.187 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.51	α = 90
b = 61.1	β = 90
c = 88.31	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-01-28 
Deposition Author(s): Do, H., Hwang, J., Lee, J.H.

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Funding Organization	Location	Grant Number
National Research Foundation (NRF, Korea)	Korea, Republic Of	PN24170

Revision History  

• Version 1.0: 2026-01-28
  Type: Initial release