4BHK

Crystal Structure of Moss Leafy bound to DNA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.32 Å
  • R-Value Free: 0.240 
  • R-Value Work: 0.196 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

A Promiscuous Intermediate Underlies the Evolution of Leafy DNA Binding Specificity.

Sayou, C.Monniaux, M.Nanao, M.H.Moyroud, E.Brockington, S.F.Thevenon, E.Chahtane, H.Warthmann, N.Melkonian, M.Zhang, Y.Wong, G.K.Weigel, D.Parcy, F.Dumas, R.

(2014) Science 343: 645

  • DOI: 10.1126/science.1248229

  • PubMed Abstract: 
  • Transcription factors (TFs) are key players in evolution. Changes affecting their function can yield novel life forms but may also have deleterious effects. Consequently, gene duplication events that release one gene copy from selective pressure are ...

    Transcription factors (TFs) are key players in evolution. Changes affecting their function can yield novel life forms but may also have deleterious effects. Consequently, gene duplication events that release one gene copy from selective pressure are thought to be the common mechanism by which TFs acquire new activities. Here, we show that LEAFY, a major regulator of flower development and cell division in land plants, underwent changes to its DNA binding specificity, even though plant genomes generally contain a single copy of the LEAFY gene. We examined how these changes occurred at the structural level and identify an intermediate LEAFY form in hornworts that appears to adopt all different specificities. This promiscuous intermediate could have smoothed the evolutionary transitions, thereby allowing LEAFY to evolve new binding specificities while remaining a single-copy gene.


    Organizational Affiliation

    CNRS, Laboratoire de Physiologie Cellulaire et Végétale (LPCV), UMR 5168, 38054 Grenoble, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
FLORICAULA/LEAFY HOMOLOG 1
A, B
171Physcomitrella patens subsp. patensMutation(s): 0 
Gene Names: PPLFY1 (PpLFY1)
Find proteins for Q94IF5 (Physcomitrella patens subsp. patens)
Go to UniProtKB:  Q94IF5
Entity ID: 2
MoleculeChainsLengthOrganism
MOSS-CR54 DNAW29Physcomitrella patens
Entity ID: 3
MoleculeChainsLengthOrganism
MOSS-CR54 DNAX29Physcomitrella patens
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.32 Å
  • R-Value Free: 0.240 
  • R-Value Work: 0.196 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 42.722α = 90.00
b = 84.523β = 90.00
c = 152.424γ = 90.00
Software Package:
Software NamePurpose
XDSdata reduction
PHASERphasing
BUSTERrefinement
XSCALEdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2014-01-22
    Type: Initial release
  • Version 1.1: 2014-01-29
    Type: Database references
  • Version 1.2: 2014-02-19
    Type: Database references