9LC9 | pdb_00009lc9

Crystal structure of mycothione reductase from Mycobacterium abscessus

• PDB DOI: https://doi.org/10.2210/pdb9LC9/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mycobacteroides abscessus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2025-01-03 Released: 2026-01-07 
• Deposition Author(s): Lin, W., Feng, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.213 (Depositor), 0.201 (DCC) 
• R-Value Work: 
  0.185 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.186 (Depositor) 

Starting Model: in silico

Literature

Crystal structure of mycothione reductase from Mycobacterium abscessus

Wei, L., Yu, F.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 101.43 kDa 
• Atom Count: 7,880 
• Modeled Residue Count: 931 
• Deposited Residue Count: 934 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mycothione reductase	A, B	467	Mycobacteroides abscessus	Mutation(s): 0  Gene Names: mtr, D2E76_26510, ERS075604_04573 EC: 1.8.1.15
UniProt
Find proteins for A0A0U0YVA4 (Mycobacteroides abscessus) Explore A0A0U0YVA4  Go to UniProtKB:  A0A0U0YVA4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD (Subject of Investigation/LOI)	C [auth A], D [auth B]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.213 (Depositor), 0.201 (DCC) 
• R-Value Work:  0.185 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.186 (Depositor) 

Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 153.461	α = 90
b = 153.461	β = 90
c = 99.854	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data scaling
XDS	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-01-07 
Deposition Author(s): Lin, W., Feng, Y.

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

Revision History  

• Version 1.0: 2026-01-07
  Type: Initial release