1HR7

Yeast Mitochondrial Processing Peptidase beta-E73Q Mutant


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.55 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.243 
  • R-Value Observed: 0.243 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structures of mitochondrial processing peptidase reveal the mode for specific cleavage of import signal sequences.

Taylor, A.B.Smith, B.S.Kitada, S.Kojima, K.Miyaura, H.Otwinowski, Z.Ito, A.Deisenhofer, J.

(2001) Structure 9: 615-625

  • DOI: 10.1016/s0969-2126(01)00621-9
  • Primary Citation of Related Structures:  
    1HR9, 1HR8, 1HR7, 1HR6

  • PubMed Abstract: 
  • Mitochondrial processing peptidase (MPP) is a metalloendopeptidase that cleaves the N-terminal signal sequences of nuclear-encoded proteins targeted for transport from the cytosol to the mitochondria. Mitochondrial signal sequences vary in length and ...

    Mitochondrial processing peptidase (MPP) is a metalloendopeptidase that cleaves the N-terminal signal sequences of nuclear-encoded proteins targeted for transport from the cytosol to the mitochondria. Mitochondrial signal sequences vary in length and sequence, but each is cleaved at a single specific site by MPP. The cleavage sites typically contain an arginine at position -2 (in the N-terminal portion) from the scissile peptide bond in addition to other distal basic residues, and an aromatic residue at position +1. Mitochondrial import machinery recognizes amphiphilic helical conformations in signal sequences. However, it is unclear how MPP specifically recognizes diverse presequence substrates.


    Organizational Affiliation

    Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
MITOCHONDRIAL PROCESSING PEPTIDASE ALPHA SUBUNITACEG475Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.24.64
Find proteins for P11914 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P11914 
Go to UniProtKB:  P11914
Protein Feature View
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
MITOCHONDRIAL PROCESSING PEPTIDASE BETA SUBUNITBDFH443Saccharomyces cerevisiaeMutation(s): 1 
EC: 3.4.24.64
Find proteins for P10507 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P10507 
Go to UniProtKB:  P10507
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.55 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.243 
  • R-Value Observed: 0.243 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 134.2α = 90
b = 178.62β = 90
c = 201.97γ = 90
Software Package:
Software NamePurpose
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2001-07-11
    Type: Initial release
  • Version 1.1: 2008-04-28
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance