1CJF

PROFILIN BINDS PROLINE-RICH LIGANDS IN TWO DISTINCT AMIDE BACKBONE ORIENTATIONS


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.293 
  • R-Value Work: 0.195 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Profilin binds proline-rich ligands in two distinct amide backbone orientations.

Mahoney, N.M.Rozwarski, D.A.Fedorov, E.Fedorov, A.A.Almo, S.C.

(1999) Nat.Struct.Mol.Biol. 6: 666-671

  • DOI: 10.1038/10722
  • Primary Citation of Related Structures:  1CF0

  • PubMed Abstract: 
  • The actin regulatory protein profilin is targeted to specific cellular regions through interactions with highly proline-rich motifs embedded within its binding partners. New X-ray crystallographic results demonstrate that profilin, like SH3 domains, ...

    The actin regulatory protein profilin is targeted to specific cellular regions through interactions with highly proline-rich motifs embedded within its binding partners. New X-ray crystallographic results demonstrate that profilin, like SH3 domains, can bind proline-rich ligands in two distinct amide backbone orientations. By further analogy with SH3 domains, these data suggest that non-proline residues in profilin ligands may dictate the polarity and register of binding, and the detailed organization of the assemblies involving profilin. This degeneracy may be a general feature of modules that bind proline-rich ligands, including WW and EVH1 domains, and has implications for the assembly and activity of macromolecular complexes involved in signaling and the regulation of the actin cytoskeleton.


    Organizational Affiliation

    Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York 10461, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (HUMAN PLATELET PROFILIN)
A, B
139Homo sapiensGene Names: PFN1
Find proteins for P07737 (Homo sapiens)
Go to Gene View: PFN1
Go to UniProtKB:  P07737
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (PROLINE PEPTIDE)
C, D
15N/AN/A
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
HOM
Query on HOM

Download SDF File 
Download CCD File 
C, D
7-HYDROXY-4-METHYL-3-(2-HYDROXY-ETHYL)COUMARIN
C12 H12 O4
VCGFYFKJZGIZMX-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.293 
  • R-Value Work: 0.195 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 105.400α = 90.00
b = 51.800β = 131.10
c = 77.500γ = 90.00
Software Package:
Software NamePurpose
XDSdata reduction
X-PLORrefinement
X-PLORphasing
X-PLORmodel building
XSCALEdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-07-07
    Type: Initial release
  • Version 1.1: 2008-04-26
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance