9JF6 | pdb_00009jf6

Crystal Structure of human Pin1 in complex with a covalent inhibitor

• PDB DOI: https://doi.org/10.2210/pdb9JF6/pdb

• Classification: ISOMERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-09-04 Released: 2026-03-11 
• Deposition Author(s): Wang, X.Y., Tian, M.Z., Zhou, J., Xu, B.L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.96 Å
• R-Value Free: 
  0.278 (Depositor), 0.282 (DCC) 
• R-Value Work: 
  0.239 (Depositor), 0.239 (DCC) 
• R-Value Observed: 
  0.241 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of human Pin1 in complex with a covalent inhibitor

Wang, X.Y., Tian, M.Z., Zhou, J., Xu, B.L.

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: 18.34 kDa 
• Atom Count: 1,220 
• Modeled Residue Count: 150 
• Deposited Residue Count: 158 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1	A	158	Homo sapiens	Mutation(s): 0  Gene Names: PIN1 EC: 5.2.1.8
UniProt & NIH Common Fund Data Resources
Find proteins for Q13526 (Homo sapiens) Explore Q13526  Go to UniProtKB:  Q13526
PHAROS:  Q13526 GTEx:  ENSG00000127445

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1EBR (Subject of Investigation/LOI)	B [auth A]	methyl (~{Z})-4-[1-benzothiophen-2-ylmethyl-[(3~{S})-1,1-bis(oxidanylidene)thiolan-3-yl]amino]-4-oxidanylidene-but-2-enoate C18 H19 N O5 S2 RLOKDNWQTNKEOK-CQSZACIVSA-N
1PG (Subject of Investigation/LOI)	C [auth A]	2-(2-{2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHANOL C11 H24 O6 SLNYBUIEAMRFSZ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.96 Å
• R-Value Free:  0.278 (Depositor), 0.282 (DCC) 
• R-Value Work:  0.239 (Depositor), 0.239 (DCC) 
• R-Value Observed: 0.241 (Depositor) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.156	α = 90
b = 69.156	β = 90
c = 79.505	γ = 120

Software Package:

Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHENIX	refinement
MOLREP	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-03-11 
Deposition Author(s): Wang, X.Y., Tian, M.Z., Zhou, J., Xu, B.L.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82104009

Revision History  

• Version 1.0: 2026-03-11
  Type: Initial release