9WYB | pdb_00009wyb

Pyrococcus furiosus FdxA D14C/I16H

• PDB DOI: https://doi.org/10.2210/pdb9WYB/pdb

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


• Deposited: 2025-09-26 Released: 2026-10-14 
• Deposition Author(s): Fujishiro, T.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.272 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.240 (Depositor), 0.226 (DCC) 

Starting Model: experimental

Literature

Pyrococcus furiosus FdxA D14C/I16H variant

Yoshida, R., Fujishiro, T.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 15.32 kDa 
• Atom Count: 1,074 
• Modeled Residue Count: 130 
• Deposited Residue Count: 132 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferredoxin	A, B	66	Pyrococcus furiosus	Mutation(s): 2  Gene Names: fdxA, PF1909
UniProt
Find proteins for P29603 (Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)) Explore P29603  Go to UniProtKB:  P29603

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SF4 (Subject of Investigation/LOI)	C [auth A], E [auth B]	IRON/SULFUR CLUSTER Fe4 S4 LJBDFODJNLIPKO-UHFFFAOYSA-N
TRS (Subject of Investigation/LOI)	D [auth A], F [auth B]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.272 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.240 (Depositor), 0.226 (DCC) 

Space Group: P 3₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.23	α = 90
b = 66.23	β = 90
c = 45.93	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-10-14 
Deposition Author(s): Fujishiro, T.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2026-10-14
  Type: Initial release