2FM1 | pdb_00002fm1

Crystal structure of L-ALLO-threonine aldolase (tm1744) from Thermotoga maritima at 2.25 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2FM1/pdb

• Classification: LYASE
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-01-06 Released: 2006-01-31 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 
  0.216 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.142 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.146 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of L-ALLO-threonine aldolase (tm1744) from Thermotoga maritima at 2.25 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

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)

Macromolecule Content 

• Total Structure Weight: 157.82 kDa 
• Atom Count: 11,599 
• Modeled Residue Count: 1,374 
• Deposited Residue Count: 1,420 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
L-allo-threonine aldolase	A, B, C, D	355	Thermotoga maritima	Mutation(s): 1  Gene Names: tm1744
UniProt
Find proteins for Q9X266 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X266  Go to UniProtKB:  Q9X266

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	O [auth C]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	E [auth A], F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	G [auth A], H [auth A], I [auth A], J [auth B], K [auth B], L [auth B], M [auth C], N [auth C], Q [auth D], R [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	P [auth D]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
LLP	A, B, C, D	L-PEPTIDE LINKING	C14 H22 N3 O7 P		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free:  0.216 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.142 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.146 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M32FM1

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 95.614	α = 90
b = 100.405	β = 90
c = 149.648	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction
HKL-2000	data scaling
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-01-31 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2006-01-31
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.4: 2023-09-20
  Changes: Data collection, Refinement description
• Version 1.5: 2023-11-15
  Changes: Data collection