9R74 | pdb_00009r74

Pyrin B30.2 domain, FMF mutation I641F

• PDB DOI: https://doi.org/10.2210/pdb9R74/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2025-05-13 Released: 2025-06-18 
• Deposition Author(s): Mittl, P., Possner, D.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.276 (Depositor), 0.283 (DCC) 
• R-Value Work: 
  0.207 (Depositor), 0.213 (DCC) 
• R-Value Observed: 
  0.211 (Depositor) 

Starting Model: experimental

Literature

Pyrin B30.2 domain, FMF mutation I641F

Mittl, P., Possner, D.

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

Macromolecule Content 

• Total Structure Weight: 21.34 kDa 
• Atom Count: 1,643 
• Modeled Residue Count: 191 
• Deposited Residue Count: 191 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pyrin	A	191	Homo sapiens	Mutation(s): 1  Gene Names: MEFV, MEF, TRIM20
UniProt & NIH Common Fund Data Resources
Find proteins for O15553 (Homo sapiens) Explore O15553  Go to UniProtKB:  O15553
PHAROS:  O15553 GTEx:  ENSG00000103313

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	D [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
ACT	B [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
SCN	C [auth A], E [auth A]	THIOCYANATE ION C N S ZMZDMBWJUHKJPS-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.276 (Depositor), 0.283 (DCC) 
• R-Value Work:  0.207 (Depositor), 0.213 (DCC) 
• R-Value Observed: 0.211 (Depositor) 

Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.127	α = 90
b = 60.127	β = 90
c = 180.698	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
XDS	data reduction
PDB_EXTRACT	data extraction
REFMAC	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-06-18 
Deposition Author(s): Mittl, P., Possner, D.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-06-18
  Type: Initial release