3CSW

Crystal structure of a putative branched-chain amino acid aminotransferase (TM0831) from Thermotoga maritima at 2.15 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3CSW/pdb

• Classification: TRANSFERASE
• Organism(s): Thermotoga maritima MSB8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-04-10 Released: 2008-04-22 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.200 
• R-Value Work: 0.167 
• R-Value Observed: 0.168 

Literature

Crystal structure of a Putative Branched-Chain Amino Acid Aminotransferase (TM0831) from Thermotoga maritima at 2.15 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)

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 2  

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

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

Biological Assembly Evidence: gel filtration, light scattering

Macromolecule Content

• Total Structure Weight: 133.09 kDa 
• Atom Count: 9,636 
• Modelled Residue Count: 1,097 
• Deposited Residue Count: 1,140 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative branched-chain-amino-acid aminotransferase	A, B, C, D	285	Thermotoga maritima MSB8	Mutation(s): 0  Gene Names: TM0831, ilvE EC: 2.6.1.42
UniProt
Find proteins for P74921 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore P74921  Go to UniProtKB:  P74921

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	E [auth A], Q [auth C]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N
CIT	G [auth A], M [auth B], W [auth D]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
MPD	H [auth A], I [auth A], N [auth B], O [auth B], S [auth C], T [auth C], X [auth D]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N
CL	J [auth B], K [auth B], P [auth C], U [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
UNL	F [auth A], L [auth B], R [auth C], V [auth D]	Unknown ligand VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.200 
• R-Value Work: 0.167 
• R-Value Observed: 0.168 
• Space Group: I 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/M33CSW

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.71	α = 90
b = 129.76	β = 90
c = 298.69	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
SHARP	phasing
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-04-22 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2008-04-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations