4NTA | pdb_00004nta

Mus Musculus LTC4 synthase in apo form

• PDB DOI: https://doi.org/10.2210/pdb4NTA/pdb

• Classification: LYASE
• Organism(s): Mus musculus
• Expression System: Komagataella pastoris
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2013-12-02 Released: 2015-01-14 
• Deposition Author(s): Niegowski, D., Rinaldo-Matthis, A., Haeggstrom, J.Z.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.259 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.229 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.230 (Depositor) 

Starting Model: experimental

Literature

Mus Musculus LTC4 synthase in apo form

Niegowski, D., Rinaldo-Matthis, A., Kleinschmidt, T., Qureshi, A.A., Haeggstrom, J.Z.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content 

• Total Structure Weight: 18.88 kDa 
• Atom Count: 1,229 
• Modeled Residue Count: 147 
• Deposited Residue Count: 156 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Leukotriene C4 synthase	A	156	Mus musculus	Mutation(s): 0  Gene Names: Ltc4s EC: 4.4.1.20 (PDB Primary Data), 2.5.1 (UniProt) Membrane Entity: Yes
UniProt
Find proteins for Q60860 (Mus musculus) Explore Q60860  Go to UniProtKB:  Q60860

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLM	B [auth A], C [auth A], D [auth A], E [auth A]	PALMITIC ACID C16 H32 O2 IPCSVZSSVZVIGE-UHFFFAOYSA-N
SO4	F [auth A], G [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.259 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.229 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.230 (Depositor) 

Space Group: F 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 169.575	α = 90
b = 169.575	β = 90
c = 169.575	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data scaling
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-01-14 
Deposition Author(s): Niegowski, D., Rinaldo-Matthis, A., Haeggstrom, J.Z.

Revision History  

• Version 1.0: 2015-01-14
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description