8JSC | pdb_00008jsc

Structure of the FSP1 protein from Human

• PDB DOI: https://doi.org/10.2210/pdb8JSC/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-06-19 Released: 2024-03-13 
• Deposition Author(s): Zhang, S.T., Jia, D.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 
  0.227 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.187 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.188 (Depositor) 

Starting Model: in silico

Literature

FSP1 oxidizes NADPH to suppress ferroptosis.

Zhang, S., Gou, S., Zhang, Q., Yong, X., Gan, B., Jia, D.

(2023) Cell Res 33: 967-970

• PubMed: 37739993 
• DOI: https://doi.org/10.1038/s41422-023-00879-z
• Primary Citation of Related Structures:  
  8JSC

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Organizational Affiliation: 
• Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Paediatrics, West China Second University Hospital, State Key Laboratory of Biotherapy, Sichuan University, Chengdu, Sichuan, China.
Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Paediatrics, West China Second University Hospital, State Key Laboratory of Biotherapy, Sichuan University, Chengdu, Sichuan, China. [e-mail].

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: 41.99 kDa 
• Atom Count: 3,038 
• Modeled Residue Count: 363 
• Deposited Residue Count: 372 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferroptosis suppressor protein 1	A [auth C]	372	Homo sapiens	Mutation(s): 0  Gene Names: AIFM2, AMID, PRG3 EC: 1.6.5
UniProt & NIH Common Fund Data Resources
Find proteins for Q9BRQ8 (Homo sapiens) Explore Q9BRQ8  Go to UniProtKB:  Q9BRQ8
PHAROS:  Q9BRQ8 GTEx:  ENSG00000042286

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
6FA	B [auth C]	6-HYDROXY-FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O16 P2 BJSUUWFQAMLNKU-OKXKTURISA-N
NAP (Subject of Investigation/LOI)	C	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free:  0.227 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.187 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.188 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.82	α = 90
b = 39.126	β = 108.952
c = 70.345	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
PDB_EXTRACT	data extraction
Coot	model building
PHENIX	phasing
ADDREF	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-13 
Deposition Author(s): Zhang, S.T., Jia, D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2024-03-13
  Type: Initial release