7A0A

Crystal structure of mouse CSAD in apo form

• PDB DOI: https://doi.org/10.2210/pdb7A0A/pdb

• Classification: LYASE
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2020-08-07 Released: 2021-08-18 
• Deposition Author(s): Mahootchi, E., Raasakka, A., Haavik, J., Kursula, P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.292 (Depositor), 0.290 (DCC) 
• R-Value Work: 
  0.243 (Depositor), 0.240 (DCC) 
• R-Value Observed: 
  0.245 (Depositor) 

Starting Model: experimental

Literature

The structure of cysteine sulphinic acid decarboxylase reveals structural determinants for substrate specificity of pyridoxal phosphate-dependent decarboxylases

Mahootchi, E., Raasakka, A., Luan, W., Muruganandam, G., Loris, R., Haavik, J., Kursula, 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.

Biological Assembly Evidence: SAXS

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 233.95 kDa 
• Atom Count: 14,940 
• Modelled Residue Count: 1,895 
• Deposited Residue Count: 2,084 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cysteine sulfinic acid decarboxylase	A, B, C, D	521	Mus musculus	Mutation(s): 0  Gene Names: Csad EC: 4.1.1.29 (PDB Primary Data), 4.1.1.11 (PDB Primary Data)
UniProt
Find proteins for Q9DBE0 (Mus musculus) Explore Q9DBE0  Go to UniProtKB:  Q9DBE0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
NA	F [auth A], G [auth C], H [auth D]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.292 (Depositor), 0.290 (DCC) 
• R-Value Work:  0.243 (Depositor), 0.240 (DCC) 
• R-Value Observed: 0.245 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.06	α = 90
b = 114.88	β = 95.804
c = 113.76	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data processing
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-08-18 
Deposition Author(s): Mahootchi, E., Raasakka, A., Haavik, J., Kursula, P.

Revision History  

• Version 1.0: 2021-08-18
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description