Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 17871.58 
• Atom Count: 1255 
• Residue Count: 164 
• Unique protein chains: 1

2ALF

crystal structure of human CypA mutant K131A

• DOI: 10.2210/pdb2ALF/pdb

• Classification: ISOMERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): 1 


• Deposited: 2005-08-05 Released: 2005-08-23 
• Deposition Author(s): Hu, H., Huang, C.-Q., Liu, H.-L., Han, Y., Chen, M.-E., Yu, L., Bi, R.-C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.9 Å
• R-Value Free: 0.226 
• R-Value Work: 0.193 

Literature

Nuclease activity of Cyclophilin A and its structural basis

Hu, H., Huang, C.-Q., Liu, H.-L., Han, Y., Chen, M.-E., Yu, L., Bi, R.-C.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Peptidyl-prolyl cis-trans isomerase A	A	164	Homo sapiens	Mutation(s): 1  Gene Names: PPIA (CYPA) EC: 5.2.1.8
Find proteins for P62937 (Homo sapiens) Go to Gene View: PPIA Go to UniProtKB:  P62937

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
MG	A	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.9 Å
• R-Value Free: 0.226 
• R-Value Work: 0.193 
• Space Group: C 2 2 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 33.585	α = 90.00
b = 68.264	β = 90.00
c = 137.794	γ = 90.00

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2005-08-05 
• Released Date: 2005-08-23 
• Deposition Author(s): Hu, H., Huang, C.-Q., Liu, H.-L., Han, Y., Chen, M.-E., Yu, L., Bi, R.-C.

Revision History 

• Version 1.0: 2005-08-23
  Type: Initial release
• Version 1.1: 2008-04-30
  Type: Version format compliance
• Version 1.2: 2011-07-13
  Type: Version format compliance
• Version 1.3: 2017-10-11
  Type: Refinement description