PDBe 1rd5

X-ray diffraction
2.02Å resolution

Crystal structure of Tryptophan synthase alpha chain homolog BX1: a member of the chemical plant defense system

Released:

Function and Biology Details

Reactions catalysed:
L-serine + 1-C-(indol-3-yl)glycerol 3-phosphate = L-tryptophan + D-glyceraldehyde 3-phosphate + H(2)O. 
(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate = indole + D-glyceraldehyde 3-phosphate. 
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo octamer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Indole-3-glycerol phosphate lyase, chloroplastic Chains: A, B
Molecule details ›
Chains: A, B
Length: 262 amino acids
Theoretical weight: 28.03 KDa
Source organism: Zea mays
Expression system: Escherichia coli
UniProt:
  • Canonical: P42390 (Residues: 87-346; Coverage: 75%)
Gene name: BX1
Structure domains: Aldolase class I

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: F222
Unit cell:
a: 91.094Å b: 159.815Å c: 162.877Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.248 0.245 0.299
Expression system: Escherichia coli