› 5jib

X-ray diffraction
1.86Å resolution

Crystal structure of the Thermotoga maritima acetyl esterase (TM0077) complex with a substrate analog

Released:
DOI: 10.2210/pdb5jib/pdb
PDB entry 5jib coloured by chain, front view.
PDB entry 5jib coloured by chain, side view.
PDB entry 5jib coloured by chain, top view.
Source organism: Thermotoga maritima MSB8
Primary publication:
Crystal structure of Thermotoga maritima acetyl esterase complex with a substrate analog: Insights into the distinctive substrate specificity in the CE7 carbohydrate esterase family.
Singh MK, Manoj N
Biochem Biophys Res Commun 476 63-8 (2016)
PMID: 27181355

Function and Biology Details

Reactions catalysed: 
Cephalosporin C + H(2)O = deacetylcephalosporin C + acetate
Deacetylation of xylans and xylo-oligosaccharides
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194439 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cephalosporin-C deacetylase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 337 amino acids
Theoretical weight: 38.66 KDa
Source organism: Thermotoga maritima MSB8
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9WXT2 (Residues: 1-325; Coverage: 100%)
Gene names: TM_0077, axeA
Sequence domains: Acetyl xylan esterase (AXE1)
Structure domains: alpha/beta hydrolase

Ligands and Environments

1 bound ligand:
Ligand OIA 6 x OIA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BRUKER AXS MICROSTAR
Spacegroup: P21
Unit cell:
a: 89.81Å b: 115.78Å c: 103.2Å
α: 90° β: 109.98° γ: 90°
R-values:
R R work R free
0.157 0.155 0.192
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

4 citation in other articles

Structural and biochemical studies of the glucuronoyl esterase OtCE15A illuminate its interaction with lignocellulosic components.
Mazurkewich et al. (2019)
3 more

1 mention without citation

Crystal structure and functional characterization of a cold-active acetyl xylan esterase (PbAcE) from psychrophilic soil microbe Paenibacillus sp.
Park et al. (2018)