2K3G

NMR structure analysis of a BMP receptor


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 21 
  • Selection Criteria: structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

The solution structure of BMPR-IA reveals a local disorder-to-order transition upon BMP-2 binding.

Klages, J.Kotzsch, A.Coles, M.Sebald, W.Nickel, J.Muller, T.Kessler, H.

(2008) Biochemistry 47: 11930-11939

  • DOI: 10.1021/bi801059j

  • PubMed Abstract: 
  • The structure of the extracellular domain of BMP receptor IA was determined in solution by NMR spectroscopy and compared to its structure when bound to its ligand BMP-2. While most parts of the secondary structure are highly conserved between the bou ...

    The structure of the extracellular domain of BMP receptor IA was determined in solution by NMR spectroscopy and compared to its structure when bound to its ligand BMP-2. While most parts of the secondary structure are highly conserved between the bound and unbound forms, large conformational rearrangements can be observed in the beta4beta5 loop of BMPR-IA, which is in contact with BMP-2 and harbors the main binding determinants for the BMPR-IA-BMP-2 interaction. In its unbound form, helix alpha1 in BMPR-IA, which is in the center of the binding epitope for BMP-2, is missing. Since BMP-2 also shows conformational changes in the type I receptor epitope upon binding to BMPR-IA, both binding partners pass through an induced fit mechanism to adapt their binding interfaces to a given interaction surface. The inherent flexibility of both partners possibly explains the promiscuous ligand-receptor interaction observed in the BMP protein superfamily.


    Organizational Affiliation

    Center of Integrated Protein Science (CIPSM) at the Technische Universitat Munchen, Lichtenbergstrasse 4, D-85747 Garching, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Bone morphogenetic protein receptor type-1A
A
102Homo sapiensMutation(s): 1 
Gene Names: BMPR1A (ACVRLK3, ALK3)
EC: 2.7.11.30
Find proteins for P36894 (Homo sapiens)
Go to Gene View: BMPR1A
Go to UniProtKB:  P36894
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 21 
  • Selection Criteria: structures with the lowest energy 
  • Olderado: 2K3G Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-12-16
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance