6A7J

Testerone bound CYP154C4 from Streptomyces sp. ATCC 11861


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.71 Å
  • R-Value Free: 0.266 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.219 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Characterization of two steroid hydroxylases from different Streptomyces spp. and their ligand-bound and -unbound crystal structures.

Dangi, B.Lee, C.W.Kim, K.H.Park, S.H.Yu, E.J.Jeong, C.S.Park, H.Lee, J.H.Oh, T.J.

(2019) FEBS J 286: 1683-1699

  • DOI: 10.1111/febs.14729
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Bacterial cytochrome P450 (CYP) enzymes are involved in the hydroxylation of various endogenous substrates while using a heme molecule as a cofactor. CYPs have gained biotechnological interest as useful biocatalysts capable of altering chemical struc ...

    Bacterial cytochrome P450 (CYP) enzymes are involved in the hydroxylation of various endogenous substrates while using a heme molecule as a cofactor. CYPs have gained biotechnological interest as useful biocatalysts capable of altering chemical structures by adding a hydroxyl group in a regiospecific manner. Here, we identified, purified, and characterized two CYP154C4 proteins from Streptomyces sp. W2061 (StCYP154C4-1) and Streptomyces sp. ATCC 11861 (StCYP154C4-2). Activity assays showed that both StCYP154C4-1 and StCYP154C4-2 can produce 2'-hydroxylated testosterone, which differs from the activity of a previously described NfCYP154C5 from Nocardia farcinica in terms of its 16α-hydroxylation of testosterone. To better understand the molecular basis of the regioselectivity of these two CYP154C4 proteins, crystal structures of the ligand-unbound form of StCYP154C4-1 and the testosterone-bound form of StCYP154C4-2 were determined. Comparison with the previously determined NfCYP154C5 structure revealed differences in the substrate-binding residues, suggesting a likely explanation for the different patterns of testosterone hydroxylation, despite the high sequence similarities between the enzymes (54% identity). These findings provide valuable insights that will enable protein engineering for the development of artificial steroid-related CYPs exhibiting different regiospecificity.


    Organizational Affiliation

    Department of Pharmaceutical Engineering and Biotechnology, Sunmoon University, Asansi, Korea.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Cytochrome P450
A
411Streptomyces violaceoruberMutation(s): 0 
Gene Names: B1H20_20375
Find proteins for A0A1V0UEC8 (Streptomyces violaceoruber)
Go to UniProtKB:  A0A1V0UEC8
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
HEM
Query on HEM

Download CCD File 
A
PROTOPORPHYRIN IX CONTAINING FE
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
 Ligand Interaction
TES
Query on TES

Download CCD File 
A
TESTOSTERONE
C19 H28 O2
MUMGGOZAMZWBJJ-DYKIIFRCSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.71 Å
  • R-Value Free: 0.266 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.219 
  • Space Group: I 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 90.381α = 90
b = 113.94β = 90
c = 128.361γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
MxDCdata collection
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 2018-07-03 
  • Released Date: 2019-01-16 
  • Deposition Author(s): Lee, C.W., Lee, J.H.

Revision History 

  • Version 1.0: 2019-01-16
    Type: Initial release
  • Version 1.1: 2019-05-22
    Changes: Data collection, Database references