3EK4

Calcium-saturated GCaMP2 Monomer


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.280
  • R-Value Work: 0.222

Literature

Macromolecules
Sequence Display for 3EK4

Classification: FLUORESCENT PROTEIN

Total Structure Weight: 50824.82

Macromolecule Entities
Molecule Chains Length Organism Details
Myosin light chain kinase, Green fluorescent protein, Calmodulin chimera A 451 Aequorea victoria Rattus norvegicus Synthetic construct Mutation: V76A, S88G, D93Y, A119K, H144L, F222L, S224X, ΔY66, ΔG67, V251I
Gene Name(s): Calm1 Calm Cam Cam1 CaMI GFP
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CRO
Query on CRO
A L-PEPTIDE LINKING C15 H17 N3 O5 THR , TYR , GLY

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.280
  • R-Value Work: 0.222
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 60.50 α = 90.00
b = 117.26 β = 90.00
c = 68.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2008-09-18
  • Released Date: 2008-12-16
  • Deposition author(s): Akerboom, J., Velez Rivera, J.D., Looger, L.L., Schreiter, E.R.

Revision History

  • Version 1_0: 2008-12-16

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Version format compliance

  • Version 1_2: 2012-10-31

    Type: Database references

  • Version 1_3: 2013-10-16

    Type: Structure summary

  • Version 1_4: 2017-06-28

    Type: Database references, Source and taxonomy

  • Version 1_5: 2017-10-25

    Type: Refinement description