6A8D

Crystal Structure of Chlamydomonas reinhardtii ARF

• PDB DOI:  https://doi.org/10.2210/pdb6A8D/pdb

• Classification: PROTEIN TRANSPORT
• Organism(s): Chlamydomonas reinhardtii
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-07-06 Released: 2019-07-10 
• Deposition Author(s): Kumari, S., Goel, M., Kateriya, S., Sharma, P.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.266 
• R-Value Work: 0.220 
• R-Value Observed: 0.223 

Literature

Crystal structure of Chlamydomonas reinhardtii Arf

Kumari, S., Sharma, P., Kateriya, S., Goel, M.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 22.38 kDa 
• Atom Count: 1,501 
• Modelled Residue Count: 181 
• Deposited Residue Count: 192 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ARF/SAR superfamily small monomeric GTP binding protein	A	192	Chlamydomonas reinhardtii	Mutation(s): 0  Gene Names: CGL49, CHLRE_12g487850v5, CHLREDRAFT_78189
UniProt
Find proteins for A8ILA3 (Chlamydomonas reinhardtii) Explore A8ILA3  Go to UniProtKB:  A8ILA3

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP (Subject of Investigation/LOI)	B [auth A]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
SO4	D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.266 
• R-Value Work: 0.220 
• R-Value Observed: 0.223 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.818	α = 90
b = 44.244	β = 90
c = 113.481	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-07-10 
Deposition Author(s): Kumari, S., Goel, M., Kateriya, S., Sharma, P.

---

Funding Organization	Location	Grant Number
	India	--

Revision History  

• Version 1.0: 2019-07-10
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Derived calculations, Refinement description