2XSS

Crystal structure of GAFb from the human phosphodiesterase 5

• PDB DOI: https://doi.org/10.2210/pdb2XSS/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-09-30 Released: 2011-05-18 
• Deposition Author(s): Schlicker, C., Russwurm, M., Steegborn, C.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.317 
• R-Value Work: 0.248 
• R-Value Observed: 0.252 

Literature

Crystal Structure of the Gaf-B Domain from Human Phosphodiesterase 5.

Russwurm, M., Schlicker, C., Weyand, M., Koesling, D., Steegborn, C.

(2011) Proteins 79: 1682

• PubMed: 21425347 
• DOI: https://doi.org/10.1002/prot.22989
• Primary Citation of Related Structures:  
  2XSS

---

Organizational Affiliation: 

Department of Pharmacology and Toxicology, Ruhr-University Bochum, Germany.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 41.35 kDa 
• Atom Count: 2,377 
• Modelled Residue Count: 306 
• Deposited Residue Count: 362 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CGMP-SPECIFIC 3', 5'-CYCLIC PHOSPHODIESTERASE	A, B	181	Homo sapiens	Mutation(s): 0  EC: 3.1.4.35
UniProt & NIH Common Fund Data Resources
Find proteins for O76074 (Homo sapiens) Explore O76074  Go to UniProtKB:  O76074
PHAROS:  O76074 GTEx:  ENSG00000138735

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.317 
• R-Value Work: 0.248 
• R-Value Observed: 0.252 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.75	α = 90
b = 64.75	β = 90
c = 145.31	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-05-18 
Deposition Author(s): Schlicker, C., Russwurm, M., Steegborn, C.

Revision History  

• Version 1.0: 2011-05-18
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-05-08
  Changes: Data collection, Database references, Other