8U0F

Bacterial fluorescent protein

• PDB DOI: https://doi.org/10.2210/pdb8U0F/pdb

• Classification: LUMINESCENT PROTEIN
• Organism(s): Ceramium secundatum
• Expression System: Ceramium secundatum
• Mutation(s): No 


• Deposited: 2023-08-29 Released: 2024-09-04 
• Deposition Author(s): Gully, B.S., Rossjohn, J.
• Funding Organization(s): Australian Research Council (ARC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.251 
• R-Value Work: 0.199 
• R-Value Observed: 0.202 

Starting Model: experimental

Literature

Bacterial fluorescent protein

Gully, B.S., Rossjohn, J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Homo 6-mer - A6 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Homo 6-mer - A6 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 78.15 kDa 
• Atom Count: 5,748 
• Modelled Residue Count: 680 
• Deposited Residue Count: 680 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bacterial fluorescent protein alpha	A [auth B], C [auth K]	164	Ceramium secundatum	Mutation(s): 0  Gene Names: cpeA
UniProt
Find proteins for Q1AH74 (Ceramium secundatum) Explore Q1AH74  Go to UniProtKB:  Q1AH74

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Bacterial fluorescent protein beta	B [auth C], D [auth L]	176	Ceramium secundatum	Mutation(s): 0  Gene Names: cpeB
UniProt
Find proteins for Q1AH60 (Ceramium secundatum) Explore Q1AH60  Go to UniProtKB:  Q1AH60

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PUB	G [auth C], L	PHYCOUROBILIN C33 H42 N4 O6 KDCCOOGTVSRCHX-YYVBKQGDSA-N
CYC	E [auth B], F [auth B], H [auth C], I [auth C], J [auth K], K, M [auth L], N [auth L]	PHYCOCYANOBILIN C33 H40 N4 O6 VXTXPYZGDQPMHK-GMXXPEQVSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.251 
• R-Value Work: 0.199 
• R-Value Observed: 0.202 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 186.61	α = 90
b = 186.61	β = 90
c = 59.42	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-04 
Deposition Author(s): Gully, B.S., Rossjohn, J.

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Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DP230102073

Revision History  

• Version 1.0: 2024-09-04
  Type: Initial release