3zby

X-ray diffraction
1.93Å resolution

Ligand-free structure of CYP142 from Mycobacterium smegmatis

Released:

Function and Biology Details

Reaction catalysed:
(1a) cholest-4-en-3-one + 2 reduced [2Fe-2S] ferredoxin + O(2) = (25R)-26-hydroxycholest-4-en-3-one + 2 oxidized [2Fe-2S] ferredoxin + H(2)O
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-106458 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Steroid C26-monooxygenase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 407 amino acids
Theoretical weight: 45.78 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
Expression system: Escherichia coli DH5[alpha]
UniProt:
  • Canonical: A0R4Q6 (Residues: 1-401; Coverage: 100%)
Gene names: MSMEG_5918, cyp142, cyp142A2
Sequence domains: Cytochrome P450
Structure domains: Cytochrome P450

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: C2
Unit cell:
a: 94.051Å b: 162.847Å c: 266.443Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.19 0.23
Expression system: Escherichia coli DH5[alpha]