PDBe 1b8g

X-ray diffraction
2.37Å resolution



Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine = 1-aminocyclopropane-1-carboxylate + methylthioadenosine. 
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
1-aminocyclopropane-1-carboxylate synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 429 amino acids
Theoretical weight: 48.26 KDa
Source organism: Malus domestica
Expression system: Escherichia coli
  • Canonical: P37821 (Residues: 3-431; Coverage: 91%)
Gene name: ACS-1
Sequence domains: Aminotransferase class I and II
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELLIOTT GX-20
Spacegroup: P21
Unit cell:
a: 53.63Å b: 69.06Å c: 123.24Å
α: 90° β: 90.04° γ: 90°
R R work R free
0.179 0.179 0.242
Expression system: Escherichia coli