7AKT | pdb_00007akt

CrPetF variant - A39G_A41V

• PDB DOI: https://doi.org/10.2210/pdb7AKT/pdb

• Classification: ELECTRON TRANSPORT
• Organism(s): Chlamydomonas reinhardtii
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2020-10-02 Released: 2021-10-13 
• Deposition Author(s): Kurisu, G., Ohnishi, Y., Engelbrecht, V., Happe, T.
• Funding Organization(s): German Research Foundation (DFG), Volkswagen Foundation

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.11 Å
• R-Value Free: 
  0.191 (Depositor), 0.193 (DCC) 
• R-Value Work: 
  0.175 (Depositor), 0.176 (DCC) 
• R-Value Observed: 
  0.177 (Depositor) 

Starting Model: experimental

Literature

Ferredoxin 2.0: an electron transfer protein designed into a photosystem I-driven hydrogenase

Engelbrecht, V., Hemschemeier, A., Heghmanns, M., Thomsen, J., Rutz, A., Yadav, S., Ohnishi, Y., Apfel, U.-P., Kasanmascheff, M., Kurisu, G., Happe, T.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 12.19 kDa 
• Atom Count: 944 
• Modeled Residue Count: 107 
• Deposited Residue Count: 109 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferredoxin, chloroplastic	A	109	Chlamydomonas reinhardtii	Mutation(s): 2  Gene Names: PETF
UniProt
Find proteins for P07839 (Chlamydomonas reinhardtii) Explore P07839  Go to UniProtKB:  P07839

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FES (Subject of Investigation/LOI)	B [auth A]	FE2/S2 (INORGANIC) CLUSTER Fe2 S2 NIXDOXVAJZFRNF-UHFFFAOYSA-N
BEN	C [auth A], D [auth A]	BENZAMIDINE C7 H8 N2 PXXJHWLDUBFPOL-UHFFFAOYSA-N
CL	F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	E [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.11 Å
• R-Value Free:  0.191 (Depositor), 0.193 (DCC) 
• R-Value Work:  0.175 (Depositor), 0.176 (DCC) 
• R-Value Observed: 0.177 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 25.966	α = 90
b = 51.231	β = 112.13
c = 32.255	γ = 90

Software Package:

Software Name	Purpose
XDS	data processing
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-10-13 
Deposition Author(s): Kurisu, G., Ohnishi, Y., Engelbrecht, V., Happe, T.

---

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	GRK 2341
Volkswagen Foundation	Germany	LigH2t

Revision History  

• Version 1.0: 2021-10-13
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description