1PCV

Crystal structure of osmotin, a plant antifungal protein

• PDB DOI: https://doi.org/10.2210/pdb1PCV/pdb

• Classification: ANTIFUNGAL PROTEIN
• Organism(s): Nicotiana tabacum
• Mutation(s): No 
• Membrane Protein: Yes  OPM


• Deposited: 2003-05-16 Released: 2004-02-17 
• Deposition Author(s): Min, K., Ha, S.C., Yun, D.-J., Bressan, R.A., Kim, K.K.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.257 
• R-Value Work: 0.211 

Starting Model: experimental

Literature

Crystal structure of osmotin, a plant antifungal protein

Min, K., Ha, S.C., Hasegawa, P.M., Bressan, R.A., Yun, D.-J., Kim, K.K.

(2004) Proteins 54: 170-173

• PubMed: 14705035 
• DOI: https://doi.org/10.1002/prot.10571
• Primary Citation of Related Structures:  
  1PCV

---

Organizational Affiliation: 

Department of Molecular Cell Biology, Center for Molecular Medicine, SBRI, Sungkyunkwan University School of Medicine, Suwon, Korea.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 44.37 kDa 
• Atom Count: 3,242 
• Modelled Residue Count: 410 
• Deposited Residue Count: 410 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
osmotin	A, B	205	Nicotiana tabacum	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P14170 (Nicotiana tabacum) Explore P14170  Go to UniProtKB:  P14170

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.257 
• R-Value Work: 0.211 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.778	α = 100.84
b = 41.787	β = 92.41
c = 59.559	γ = 96.57

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-02-17 
Deposition Author(s): Min, K., Ha, S.C., Yun, D.-J., Bressan, R.A., Kim, K.K.

Revision History  

• Version 1.0: 2004-02-17
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-10-25
  Changes: Data collection, Database references, Refinement description
• Version 1.4: 2024-10-16
  Changes: Structure summary