22RX | pdb_000022rx

Oligomer Nitrilase ACN

• PDB DOI: https://doi.org/10.2210/pdb22RX/pdb
• EM Map EMD-68636: EMDB EMDataResource

• Classification: HYDROLASE
• Organism(s): Acidovorax facilis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2026-01-21 Released: 2026-07-29 
• Deposition Author(s): Xue, Y.P., Xue, Y.P.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 17.0 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Literature

Structure of Oligomer Nitrilase ACN

Xue, Y.P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 40-mer - A40 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 1,525.36 kDa 
• Atom Count: 105,040 
• Modeled Residue Count: 13,360 
• Deposited Residue Count: 13,640 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Regioselective nitrilase	A, AA [auth a], B, BA [auth b], C, CA [auth c], D, DA [auth d], E, EA [auth e], F, FA [auth f], G, GA [auth g], H, HA [auth h], I, IA [auth i], J, JA [auth j], K, KA [auth k], L, LA [auth l], M, MA [auth m], N, NA [auth n], O, P, Q, R, S, T, U, V, W, X, Y, Z	341	Acidovorax facilis	Mutation(s): 0  EC: 3.5.5.1

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 17.0 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-07-29 
Deposition Author(s): Xue, Y.P., Xue, Y.P.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2026-07-29
  Type: Initial release