4POB | pdb_00004pob

Crystal structure of a thioredoxin Rv1471 ortholog from Mycobacterium abscessus

• PDB DOI: https://doi.org/10.2210/pdb4POB/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mycobacteroides abscessus ATCC 19977
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-02-25 Released: 2014-03-05 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.198 (Depositor), 0.201 (DCC) 
• R-Value Work: 
  0.165 (Depositor), 0.177 (DCC) 
• R-Value Observed: 
  0.167 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of a thioredoxin Rv1471 ortholog from Mycobacterium abscessus

Edwards, T.E., Abendroth, J., Sacchettini, J.C., Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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)

Macromolecule Content 

• Total Structure Weight: 25.71 kDa 
• Atom Count: 1,791 
• Modeled Residue Count: 212 
• Deposited Residue Count: 234 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thioredoxin	A, B	117	Mycobacteroides abscessus ATCC 19977	Mutation(s): 0  Gene Names: MAB_4941
UniProt
Find proteins for B1MMM4 (Mycobacteroides abscessus (strain ATCC 19977 / DSM 44196 / CCUG 20993 / CIP 104536 / JCM 13569 / NCTC 13031 / TMC 1543 / L948)) Explore B1MMM4  Go to UniProtKB:  B1MMM4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
NA	D [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.198 (Depositor), 0.201 (DCC) 
• R-Value Work:  0.165 (Depositor), 0.177 (DCC) 
• R-Value Observed: 0.167 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M34POB

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.5	α = 90
b = 47.49	β = 90
c = 108.75	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
BALBES	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-03-05 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2014-03-05
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2025-10-22
  Changes: Database references, Structure summary