Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

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

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

Macromolecule Content

• Total Structure Weight: 29376.66 
• Atom Count: 1909 
• Residue Count: 258 
• Unique protein chains: 1

3SSH

Engineered high-affinity halide-binding protein derived from YFP: chloride complex

• DOI: 10.2210/pdb3SSH/pdb

• Classification: HALIDE BINDING PROTEIN
• Organism(s): Aequorea victoria
• Expression System: Escherichia coli
• Mutation(s): 5 


• Deposited: 2011-07-08 Released: 2012-07-11 
• Deposition Author(s): Wang, W., Grimley, J.S., Beese, L.S., Hellinga, H.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.277 Å
• R-Value Free: 0.160 
• R-Value Work: 0.130 

Literature

Determination of engineered chloride-binding site structures in fluorescent proteins reveals principles of halide recognition

Wang, W., Grimley, J.S., Augustine, G.J., Beese, L.S., Hellinga, H.W.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Green fluorescent protein	A	260	Aequorea victoria	Mutation(s): 5  Gene Names: GFP
Find proteins for P42212 (Aequorea victoria) Go to UniProtKB:  P42212

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
CL	A	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CR2	A	L-PEPTIDE LINKING	C13 H13 N3 O4		GLY, TYR, GLY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.277 Å
• R-Value Free: 0.160 
• R-Value Work: 0.130 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 51.266	α = 90.00
b = 62.405	β = 90.00
c = 69.325	γ = 90.00

Software Package:

Software Name	Purpose
HKL-2000	data scaling
DENZO	data reduction
PHENIX	refinement
SCALEPACK	data scaling
SERGUI	data collection
REFMAC	phasing
HKL-2000	data reduction
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2011-07-08 
• Released Date: 2012-07-11 
• Deposition Author(s): Wang, W., Grimley, J.S., Beese, L.S., Hellinga, H.W.

Revision History 

• Version 1.0: 2012-07-11
  Type: Initial release
• Version 1.1: 2017-11-08
  Type: Refinement description