8EWT

Bile salt hydrolase A from Lactobacillus gasseri bound to covalent probe

• PDB DOI: https://doi.org/10.2210/pdb8EWT/pdb

• Classification: HYDROLASE
• Organism(s): Lactobacillus gasseri
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-10-24 Released: 2023-11-15 
• Deposition Author(s): Walker, M.E., Redinbo, M.R.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.226 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 

Literature

Structural diversity of bile salt hydrolases reveals rationale for substrate selectivity

Walker, M.E., Redinbo, M.R.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 72.63 kDa 
• Atom Count: 5,215 
• Modelled Residue Count: 641 
• Deposited Residue Count: 644 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Conjugated bile salt hydrolase	A, B	322	Lactobacillus gasseri	Mutation(s): 0  Gene Names: LGAS_0054
UniProt
Find proteins for A0A805Z5R7 (Lactobacillus gasseri (strain ATCC 33323 / DSM 20243 / BCRC 14619 / CIP 102991 / JCM 1131 / KCTC 3163 / NCIMB 11718 / NCTC 13722 / AM63)) Explore A0A805Z5R7  Go to UniProtKB:  A0A805Z5R7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
X3I (Subject of Investigation/LOI)	C [auth A], E [auth B]	(5R)-5-{(1R,3aS,3bR,5aR,7R,9aS,9bS,11aR)-9a,11a-dimethyl-7-[(prop-2-yn-1-yl)oxy]hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl}-1-fluorohexan-2-one (non-preferred name) C28 H43 F O2 JOTTVZAFRMDQGM-BTQQYVALSA-N
NA	D [auth A], F [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.226 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.44	α = 90
b = 108.44	β = 90
c = 161.518	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-15 
Deposition Author(s): Walker, M.E., Redinbo, M.R.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM135218

Revision History  

• Version 1.0: 2023-11-15
  Type: Initial release