X-ray diffraction
2Å resolution

Crystal structure of the Q89ZH8_BACTN protein from Bacteroides thetaiotaomicron. Northeast Structural Genomics Consortium target BtR289b.

Source organism: Bacteroides thetaiotaomicron
Entry authors: Vorobiev SM, Lew S, Seetharaman J, Lee D, Foote LE, Ciccosanti C, Janjua H, Xiao R, Acton T, Montelione GT, Tong L, Hunt JF, Northeast Structural Genomics Consortium (NESG)

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Lactonase family protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 361 amino acids
Theoretical weight: 39.59 KDa
Source organism: Bacteroides thetaiotaomicron
Expression system: Escherichia coli
  • Canonical: Q89ZH8 (Residues: 32-383; Coverage: 92%)
Gene name: BT_4399
Sequence domains: Lactonase, 7-bladed beta-propeller
Structure domains: YVTN repeat-like/Quinoprotein amine dehydrogenase

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P212121
Unit cell:
a: 79.478Å b: 85.082Å c: 99.429Å
α: 90° β: 90° γ: 90°
R R work R free
0.225 0.225 0.24
Expression system: Escherichia coli