10AF | pdb_000010af

Crystal Structure of cyclophilin B, from Brugia malayi (K5H/S166A mutant)

• PDB DOI: https://doi.org/10.2210/pdb10AF/pdb

• Classification: TRANSFERASE
• Organism(s): Brugia malayi
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2026-01-08 Released: 2026-01-21 
• Deposition Author(s): 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: 1.25 Å
• R-Value Free: 
  0.135 (Depositor), 0.150 (DCC) 
• R-Value Work: 
  0.115 (Depositor), 0.130 (DCC) 
• R-Value Observed: 
  0.116 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of cyclophilin B, from Brugia malayi (K5H/S166A mutant)

Dunham, J., Lyons, R., Xidas, P., Meagher, L., Meagher, A., Seibold, S., Lovell, S., Battaile, K.P., Bolen, R., Mackey, K., Stojanoff, V., Pepenella, S., Pinto, M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 19.93 kDa 
• Atom Count: 1,606 
• Modeled Residue Count: 170 
• Deposited Residue Count: 179 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptidyl-prolyl cis-trans isomerase	A	179	Brugia malayi	Mutation(s): 2  Gene Names: Bm1_55850, Bm7143, BM_BM7143 EC: 5.2.1.8
UniProt
Find proteins for A0A0J9XUF2 (Brugia malayi) Explore A0A0J9XUF2  Go to UniProtKB:  A0A0J9XUF2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	E [auth A], F [auth A], G [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free:  0.135 (Depositor), 0.150 (DCC) 
• R-Value Work:  0.115 (Depositor), 0.130 (DCC) 
• R-Value Observed: 0.116 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M310AF

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.614	α = 90
b = 57.614	β = 90
c = 97.26	γ = 120

Software Package:

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

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-01-21 
Deposition Author(s): 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: 2026-01-21
  Type: Initial release