8RMZ | pdb_00008rmz

Apoform of spermine/spermidine acetyl transferase (AtSSAT) from A. thaliana

• PDB DOI: https://doi.org/10.2210/pdb8RMZ/pdb

• Classification: TRANSFERASE
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2024-01-09 Released: 2025-01-29 
• Deposition Author(s): Morera, S., Briozzo, P.
• Funding Organization(s): Centre National de la Recherche Scientifique (CNRS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.74 Å
• R-Value Free: 
  0.226 (Depositor), 0.215 (DCC) 
• R-Value Work: 
  0.208 (Depositor), 0.194 (DCC) 
• R-Value Observed: 
  0.208 (Depositor) 

Starting Model: experimental

Literature

Not defined yet, more later

Morera, S., Briozzo, P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 26.84 kDa 
• Atom Count: 1,830 
• Modeled Residue Count: 214 
• Deposited Residue Count: 236 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GCN5-related N-acetyltransferase 8	A	236	Arabidopsis thaliana	Mutation(s): 0  Gene Names: GNAT8, At2g39020, T7F6.19 EC: 2.3.1.48
UniProt
Find proteins for Q9ZV06 (Arabidopsis thaliana) Explore Q9ZV06  Go to UniProtKB:  Q9ZV06

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	D [auth A], E [auth A], F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.74 Å
• R-Value Free:  0.226 (Depositor), 0.215 (DCC) 
• R-Value Work:  0.208 (Depositor), 0.194 (DCC) 
• R-Value Observed: 0.208 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 101.24	α = 90
b = 101.24	β = 90
c = 48.905	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
autoPROC	data processing
autoPROC	data processing
Aimless	data scaling
autoPROC	data processing
autoPROC	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-01-29 
Deposition Author(s): Morera, S., Briozzo, P.

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Funding Organization	Location	Grant Number
Centre National de la Recherche Scientifique (CNRS)	France	--

Revision History  

• Version 1.0: 2025-01-29
  Type: Initial release