3KVS

The high resolution structure of C-Phycocyanin from Galdieria Sulphuraria

• PDB DOI: https://doi.org/10.2210/pdb3KVS/pdb

• Classification: PHOTOSYNTHESIS
• Organism(s): Galdieria sulphuraria
• Mutation(s): No 


• Deposited: 2009-11-30 Released: 2011-04-13 
• Deposition Author(s): Fromme, R., Thangaraj, B., Vanselow, C., Fromme, P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.175 
• R-Value Work: 0.131 
• R-Value Observed: 0.133 

Literature

High resolution structure of C-Phycocyanin from Galdieria sulphuraria reveals new insights of the Phycobilisome

Fromme, R., Thangaraj, B., Vanselow, C., Fromme, P.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Hetero 12-mer - A6B6 Pseudo Symmetry: Dihedral - D3  (Explore in 3D)
Pseudo Stoichiometry: Homo 12-mer - A12 

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

Macromolecule Content

• Total Structure Weight: 37.52 kDa 
• Atom Count: 3,241 
• Modelled Residue Count: 331 
• Deposited Residue Count: 334 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
C-phycocyanin alpha chain	A	162	Galdieria sulphuraria	Mutation(s): 0
UniProt
Find proteins for P00306 (Galdieria sulphuraria) Explore P00306  Go to UniProtKB:  P00306

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
C-phycocyanin beta chain	B	172	Galdieria sulphuraria	Mutation(s): 0
UniProt
Find proteins for P00311 (Galdieria sulphuraria) Explore P00311  Go to UniProtKB:  P00311

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BLA	C [auth A], D [auth B], E [auth B]	BILIVERDINE IX ALPHA C33 H34 N4 O6 GWZYPXHJIZCRAJ-SRVCBVSDSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MEN	B	L-PEPTIDE LINKING	C5 H10 N2 O3		ASN

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.175 
• R-Value Work: 0.131 
• R-Value Observed: 0.133 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.3	α = 90
b = 105.3	β = 90
c = 174.021	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-13 
Deposition Author(s): Fromme, R., Thangaraj, B., Vanselow, C., Fromme, P.

Revision History  

• Version 1.0: 2011-04-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description