Crystal structure of a Cytochrome P450 (CYP102L1)

Experimental Data Snapshot

  • Resolution: 2.50 Å
  • R-Value Free: 0.289 
  • R-Value Work: 0.230 
  • R-Value Observed: 0.233 

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On the occurrence of cytochrome P450 in viruses.

Lamb, D.C.Follmer, A.H.Goldstone, J.V.Nelson, D.R.Warrilow, A.G.Price, C.L.True, M.Y.Kelly, S.L.Poulos, T.L.Stegeman, J.J.

(2019) Proc Natl Acad Sci U S A 116: 12343-12352

  • DOI: https://doi.org/10.1073/pnas.1901080116
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Genes encoding cytochrome P450 (CYP; P450) enzymes occur widely in the Archaea, Bacteria, and Eukarya, where they play important roles in metabolism of endogenous regulatory molecules and exogenous chemicals. We now report that genes for multiple and unique P450s occur commonly in giant viruses in the Mimiviridae , Pandoraviridae , and other families in the proposed order Megavirales. P450 genes were also identified in a herpesvirus ( Ranid herpesvirus 3 ) and a phage ( Mycobacterium phage Adler). The Adler phage P450 was classified as CYP102L1, and the crystal structure of the open form was solved at 2.5 Å. Genes encoding known redox partners for P450s (cytochrome P450 reductase, ferredoxin and ferredoxin reductase, and flavodoxin and flavodoxin reductase) were not found in any viral genome so far described, implying that host redox partners may drive viral P450 activities. Giant virus P450 proteins share no more than 25% identity with the P450 gene products we identified in Acanthamoeba castellanii , an amoeba host for many giant viruses. Thus, the origin of the unique P450 genes in giant viruses remains unknown. If giant virus P450 genes were acquired from a host, we suggest it could have been from an as yet unknown and possibly ancient host. These studies expand the horizon in the evolution and diversity of the enormously important P450 superfamily. Determining the origin and function of P450s in giant viruses may help to discern the origin of the giant viruses themselves.

  • Organizational Affiliation

    Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Cytochrome P450 (CYP102L1)
A, B, C, D
471Mycobacterium phage AdlerMutation(s): 0 
Gene Names: MaF1660_ph0012
Find proteins for V5UQK0 (Mycobacterium phage Adler)
Explore V5UQK0 
Go to UniProtKB:  V5UQK0
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupV5UQK0
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 2.50 Å
  • R-Value Free: 0.289 
  • R-Value Work: 0.230 
  • R-Value Observed: 0.233 
  • Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 119.899α = 90
b = 174.09β = 90
c = 203.469γ = 90
Software Package:
Software NamePurpose
MOSFLMdata reduction
Aimlessdata scaling

Structure Validation

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Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesGM57353

Revision History  (Full details and data files)

  • Version 1.0: 2019-06-05
    Type: Initial release
  • Version 1.1: 2019-06-19
    Changes: Data collection, Database references
  • Version 1.2: 2019-07-03
    Changes: Data collection, Database references
  • Version 1.3: 2020-01-01
    Changes: Author supporting evidence
  • Version 1.4: 2024-03-13
    Changes: Data collection, Database references