4IOJ

N10-formyltetrahydrofolate synthetase from Moorella thermoacetica with sulfate

• PDB DOI: https://doi.org/10.2210/pdb4IOJ/pdb

• Classification: LIGASE
• Organism(s): Moorella thermoacetica ATCC 39073
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-01-08 Released: 2013-04-10 
• Deposition Author(s): Stec, B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.233 
• R-Value Work: 0.178 
• R-Value Observed: 0.181 

Starting Model: experimental

Literature

Time passes yet errors remain: Comments on the structure of N(10) -formyltetrahydrofolate synthetase.

Stec, B.

(2013) Protein Sci 22: 671-674

• PubMed: 23533144 
• DOI: https://doi.org/10.1002/pro.2252
• Primary Citation of Related Structures:  
  4IOJ, 4IOK, 4IOL, 4IOM

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 121.16 kDa 
• Atom Count: 8,915 
• Modelled Residue Count: 1,114 
• Deposited Residue Count: 1,118 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Formate--tetrahydrofolate ligase	A, B	559	Moorella thermoacetica ATCC 39073	Mutation(s): 0  Gene Names: fhs, Moth_0109 EC: 6.3.4.3
UniProt
Find proteins for Q2RM91 (Moorella thermoacetica (strain ATCC 39073 / JCM 9320)) Explore Q2RM91  Go to UniProtKB:  Q2RM91

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TOE	F [auth A], G [auth A], J [auth B], K [auth B]	2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXYL C7 H16 O4 JLGLQAWTXXGVEM-UHFFFAOYSA-N
SO4	C [auth A], D [auth A], E [auth A], H [auth B], I [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.233 
• R-Value Work: 0.178 
• R-Value Observed: 0.181 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 161.203	α = 90
b = 161.203	β = 90
c = 256.915	γ = 120

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-10 
Deposition Author(s): Stec, B.

Revision History  

• Version 1.0: 2013-04-10
  Type: Initial release
  
• Version 1.1: 2013-06-12
  Changes: Database references
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description