1Y0P | pdb_00001y0p

Flavocytochrome c3 with mesaconate bound

• PDB DOI: https://doi.org/10.2210/pdb1Y0P/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Shewanella frigidimarina
• Expression System: Shewanella frigidimarina
• Mutation(s): No 


• Deposited: 2004-11-16 Released: 2005-11-08 
• Deposition Author(s): Mowat, C.G., Wardrope, C., Reid, G.A., Chapman, S.K.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.184 (Depositor), 0.185 (DCC) 
• R-Value Work: 
  0.151 (Depositor), 0.153 (DCC) 
• R-Value Observed: 
  0.152 (Depositor) 

Starting Model: experimental

Literature

Electrocatalytic Generation of Chiral Fumarate Derivatives by Flavocytochrome c3

Wardrope, C., Mowat, C.G., Reid, G.A., Chapman, S.K.

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: 64.04 kDa 
• Atom Count: 5,701 
• Modeled Residue Count: 568 
• Deposited Residue Count: 571 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fumarate reductase flavoprotein subunit	A	571	Shewanella frigidimarina	Mutation(s): 0  Gene Names: fccA EC: 1.3.99.1 (PDB Primary Data), 1.3.2.4 (UniProt)
UniProt
Find proteins for P0C278 (Shewanella frigidimarina) Explore P0C278  Go to UniProtKB:  P0C278

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	G [auth A]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
HEC	C [auth A], D [auth A], E [auth A], F [auth A]	HEME C C34 H34 Fe N4 O4 HXQIYSLZKNYNMH-LJNAALQVSA-N
MEZ	H [auth A]	(2E)-2-METHYLBUT-2-ENEDIOIC ACID C5 H6 O4 HNEGQIOMVPPMNR-NSCUHMNNSA-N
NA	B [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.184 (Depositor), 0.185 (DCC) 
• R-Value Work:  0.151 (Depositor), 0.153 (DCC) 
• R-Value Observed: 0.152 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.449	α = 90
b = 91.687	β = 91.13
c = 78.287	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-11-08 
Deposition Author(s): Mowat, C.G., Wardrope, C., Reid, G.A., Chapman, S.K.

Revision History  

• Version 1.0: 2005-11-08
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary
• Version 1.4: 2024-11-13
  Changes: Structure summary
• Version 2.0: 2025-12-24
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary