1GRW

C. elegans major sperm protein


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.228 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

2.6 A Resolution Crystal Structure of Helices of the Motile Major Sperm Protein (Msp) of Caenorhabditis Elegans

Baker, A.M.E.Roberts, T.M.Stewart, M.

(2002) J.Mol.Biol. 319: 491

  • DOI: 10.1016/S0022-2836(02)00294-2

  • PubMed Abstract: 
  • The amoeboid locomotion of nematode sperm is mediated by the assembly dynamics of the major sperm protein (MSP). MSP forms fibrous networks based on a hierarchy of macromolecular assemblies: helical subfilaments are built from MSP dimers; filaments a ...

    The amoeboid locomotion of nematode sperm is mediated by the assembly dynamics of the major sperm protein (MSP). MSP forms fibrous networks based on a hierarchy of macromolecular assemblies: helical subfilaments are built from MSP dimers; filaments are formed from two subfilaments coiling round one another; and filaments themselves supercoil to produce bundles. To provide a structural context for understanding the role of these macromolecular assemblies in cell locomotion, we have determined the 2.6 A resolution structure of crystals of Caenorhabditis elegans MSP that are constructed from helices of MSP chains that are analogous to the subfilaments from which filaments are constructed. Comparison with the crystal structures of dimers and helical assemblies of Ascaris suum MSP has identified five conserved interaction interfaces that suggest how subfilaments interact in filaments and how filaments can form bundles. The interfaces frequently involve the loop containing residues 78-85, which is divergent between MSP homologues, and the loop containing residues 98-103, which is highly conserved.


    Organizational Affiliation

    MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
MAJOR SPERM PROTEIN 31/40/142
A, B, C, D
126Caenorhabditis elegansGene Names: msp-19, msp-31, msp-40, msp-45, msp-50, msp-51, msp-53, msp-59, msp-64, msp-65, msp-81, msp-113, msp-142
Find proteins for P53017 (Caenorhabditis elegans)
Go to UniProtKB:  P53017
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.228 
  • Space Group: P 41 21 2
Unit Cell:
Length (Å)Angle (°)
a = 53.478α = 90.00
b = 53.478β = 90.00
c = 457.203γ = 90.00
Software Package:
Software NamePurpose
MOSFLMdata reduction
AMoREphasing
REFMACrefinement
SCALAdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2002-06-13
    Type: Initial release
  • Version 1.1: 2011-05-08
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance