2MTE

Solution structure of Doc48S


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.0 of the entry. See complete history

Literature

Revisiting the NMR solution structure of the Cel48S type-I dockerin module from Clostridium thermocellum reveals a cohesin-primed conformation.

Chen, C.Cui, Z.Xiao, Y.Cui, Q.Smith, S.P.Lamed, R.Bayer, E.A.Feng, Y.

(2014) J.Struct.Biol. --: --

  • DOI: 10.1016/j.jsb.2014.09.006

  • PubMed Abstract: 
  • Dockerin modules of the cellulosomal enzyme subunits play an important role in the assembly of the cellulosome by binding tenaciously to cohesin modules of the scaffoldin subunit. A previously reported NMR-derived solution structure of the type-I doc ...

    Dockerin modules of the cellulosomal enzyme subunits play an important role in the assembly of the cellulosome by binding tenaciously to cohesin modules of the scaffoldin subunit. A previously reported NMR-derived solution structure of the type-I dockerin module from Cel48S of Clostridium thermocellum, which utilized two-dimensional homonuclear (1)H-(1)H NOESY and three-dimensional (15)N-edited NOESY distance restraints, displayed substantial conformational differences from subsequent structures of dockerin modules in complex with their cognate cohesin modules, raising the question whether the source of the observed differences resulted from cohesin-induced structural rearrangements. Here, we determined the solution structure of the Cel48S type-I dockerin based on (15)N- and (13)C-edited NOESY-derived distance restraints. The structure adopted a fold similar to X-ray crystal structures of dockerin modules in complex with their cohesin partners. A unique cis-peptide bond between Leu-65 and Pro-66 in the Cel48S type-I dockerin module was also identified in the present structure. Our structural analysis of the Cel48S type-I dockerin module indicates that it does not undergo appreciable cohesin-induced structural alterations but rather assumes an inherent calcium-dependent cohesin-primed conformation.


    Organizational Affiliation

    Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, China; University of Chinese Academy of Sciences, Beijing 100049, China.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Cellulose 1,4-beta-cellobiosidase (reducing end) CelS
A
69Clostridium thermocellumGene Names: celS
EC: 3.2.1.176
Find proteins for P0C2S5 (Clostridium thermocellum)
Go to UniProtKB:  P0C2S5
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CA
Query on CA

Download SDF File 
Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2014-08-18 
  • Released Date: 2014-10-15 
  • Deposition Author(s): Chen, C., Feng, Y.

Revision History 

  • Version 1.0: 2014-10-15
    Type: Initial release