citronellol catabolism dehydrogenase (AtuB) [Pseudomonas aeruginosa PAO1]

Experimental Data Snapshot

  • Resolution: 1.80 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.196 

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This is version 1.2 of the entry. See complete history


Structural characterization of the Pseudomonas aeruginosa dehydrogenase AtuB involved in citronellol and geraniol catabolism.

Chen, Y.Jia, H.Liang, Y.Zhang, H.Che, S.Liu, R.Zhang, Q.Bartlam, M.

(2020) Biochem Biophys Res Commun 523: 954-960

  • DOI: https://doi.org/10.1016/j.bbrc.2020.01.052
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Pseudomonas aeruginosa can metabolize acyclic monoterpenoids (such as citronellol and geraniol) as the only carbon and energy sources. A total of seven proteins (AtuA, AtuB, AtuCF, AtuD, AtuE, AtuG, AtuH) have been identified in Pseudomonas aeruginosa as participating in the acyclic terpene utilization pathway. AtuB is a dehydrogenase enzyme responsible for citronellol and geraniol catabolism in the acyclic terpene utilization (Atu) pathway, although its structure and function have not been characterized to date. Here we report the crystal structure of AtuB from Pseudomonas aeruginosa PAO1 (PaAtuB) to 1.8 Å resolution. PaAtuB crystallizes in the space group F222 with a single monomer in the asymmetric unit. Analytical ultracentrifugation data shows that PaAtuB forms a stable tetramer in solution, which is consistent with the structure. Structural analysis confirms that AtuB belongs to the short-chain dehydrogenase/reductase (SDR) family. AtuB is predicted to bind NADP(H) from the crystal structure, which is confirmed by MicroScale Thermophoresis analysis that shows PaAtuB binds NADP(H) with a Kd value of 258 μM. This work provides a starting point to explore potential biotechnology and pharmaceutical applications of AtuB.

  • Organizational Affiliation

    College of Life Sciences, Nankai University, Tianjin, 300071, China.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Putative dehydrogenase involved in catabolism of citronellol292Pseudomonas aeruginosa PAO1Mutation(s): 0 
Gene Names: atuBPA2887
Find proteins for Q9HZW0 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Explore Q9HZW0 
Go to UniProtKB:  Q9HZW0
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9HZW0
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 1.80 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.196 
  • Space Group: F 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 72.838α = 90
b = 98.152β = 90
c = 142.907γ = 90
Software Package:
Software NamePurpose
HKL-3000data reduction
HKL-3000data scaling

Structure Validation

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Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Natural Science Foundation of China (NSFC)China31800627

Revision History  (Full details and data files)

  • Version 1.0: 2020-02-05
    Type: Initial release
  • Version 1.1: 2020-03-11
    Changes: Database references
  • Version 1.2: 2023-11-22
    Changes: Data collection, Database references, Refinement description