9D6Y | pdb_00009d6y

Crystal structure of Apo Human Prostaglandin reductase 1 (PTGR1) (Orthorhombic C form)

• PDB DOI: https://doi.org/10.2210/pdb9D6Y/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2024-08-16 Released: 2025-08-20 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease, Seattle Structural Genomics Center for Infectious Disease (SSGCID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), National Institutes of Health/Office of the Director

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 
  0.248 (Depositor), 0.243 (DCC) 
• R-Value Work: 
  0.199 (Depositor), 0.202 (DCC) 
• R-Value Observed: 
  0.202 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Apo Human Prostaglandin reductase 1 (PTGR1) (Orthorhombic C form)

Lovell, S., Enayati, P., Cooper, A., Liu, L., Battaile, K.P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 71.94 kDa 
• Atom Count: 5,165 
• Modeled Residue Count: 656 
• Deposited Residue Count: 662 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Prostaglandin reductase 1	A, B	331	Homo sapiens	Mutation(s): 1  Gene Names: PTGR1, LTB4DH EC: 1.3.1.48 (PDB Primary Data), 1.3.1.74 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for Q14914 (Homo sapiens) Explore Q14914  Go to UniProtKB:  Q14914
PHAROS:  Q14914 GTEx:  ENSG00000106853

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free:  0.248 (Depositor), 0.243 (DCC) 
• R-Value Work:  0.199 (Depositor), 0.202 (DCC) 
• R-Value Observed: 0.202 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M39D6Y

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.707	α = 90
b = 98.747	β = 90
c = 177.534	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-20 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease, Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93022C00036
National Institutes of Health/Office of the Director	United States	S10OD030394

Revision History  

• Version 1.0: 2025-08-20
  Type: Initial release