9CIC | pdb_00009cic

Solution NMR structure of calcium-bound I89, a dynamic engineered protein


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 1.2 of the entry. See complete history


Literature

Deep learning-guided design of dynamic proteins.

Guo, A.B.Akpinaroglu, D.Stephens, C.A.Grabe, M.Smith, C.A.Kelly, M.J.S.Kortemme, T.

(2025) Science 388: eadr7094-eadr7094

  • DOI: https://doi.org/10.1126/science.adr7094
  • Primary Citation of Related Structures:  
    9CIC, 9CID, 9CIE, 9CIF, 9CIG

  • PubMed Abstract: 

    Deep learning has advanced the design of static protein structures, but the controlled conformational changes that are hallmarks of natural signaling proteins have remained inaccessible to de novo design. Here, we describe a general deep learning-guided approach for de novo design of dynamic changes between intradomain geometries of proteins, similar to switch mechanisms prevalent in nature, with atomic-level precision. We solve four structures that validate the designed conformations, demonstrate modulation of the conformational landscape by orthosteric ligands and allosteric mutations, and show that physics-based simulations are in agreement with deep-learning predictions and experimental data. Our approach demonstrates that new modes of motion can now be realized through de novo design and provides a framework for constructing biology-inspired, tunable, and controllable protein signaling behavior de novo.


  • Organizational Affiliation
    • The UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, CA, USA.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Dynamic engineered calcium-binding protein I8994synthetic constructMutation(s): 0 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
CA (Subject of Investigation/LOI)
Query on CA

Download Ideal Coordinates CCD File 
B [auth A]CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
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



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United States--
National Science Foundation (NSF, United States)United States--
Chan Zuckerberg InitiativeUnited States--

Revision History  (Full details and data files)

  • Version 1.0: 2025-05-21
    Type: Initial release
  • Version 1.1: 2025-06-04
    Changes: Database references
  • Version 1.2: 2025-06-18
    Changes: Database references