4R6D | pdb_00004r6d

Modified mTFP* for enhanced metal binding: co-crystallization with CuCl2

• PDB DOI: https://doi.org/10.2210/pdb4R6D/pdb

• Classification: FLUORESCENT PROTEIN
• Organism(s): Clavularia sp.
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-08-25 Released: 2014-11-12 
• Deposition Author(s): Fischer, J., Quitterer, F., Groll, M., Eppinger, J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.194 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.151 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.153 (Depositor) 

Starting Model: experimental

Literature

Modified mTFP* for enhanced metal binding: co-crystallization with CuCl2

Fischer, J., Quitterer, F., Groll, M., Eppinger, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 24.95 kDa 
• Atom Count: 2,080 
• Modeled Residue Count: 214 
• Deposited Residue Count: 215 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GFP-like fluorescent chromoprotein cFP484	A	215	Clavularia sp.	Mutation(s): 32
UniProt
Find proteins for Q9U6Y3 (Clavularia sp.) Explore Q9U6Y3  Go to UniProtKB:  Q9U6Y3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CU	B [auth A], C [auth A]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
PIA	A	L-PEPTIDE LINKING	C14 H15 N3 O4		ALA, TYR, GLY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.194 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.151 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.153 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.198	α = 90
b = 67.656	β = 90
c = 84.271	γ = 90

Software Package:

Software Name	Purpose
PROTEUM PLUS	data collection
PHASER	phasing
REFMAC	refinement
PROTEUM PLUS	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-11-12 
Deposition Author(s): Fischer, J., Quitterer, F., Groll, M., Eppinger, J.

Revision History  

• Version 1.0: 2014-11-12
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2023-12-06
  Changes: Data collection