5VYM

Crystal structure of beta-galactosidase from Bifidobacterium adolescentis

• PDB DOI: https://doi.org/10.2210/pdb5VYM/pdb

• Classification: HYDROLASE
• Organism(s): Bifidobacterium adolescentis ATCC 15703
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2017-05-25 Released: 2017-08-02 
• Deposition Author(s): Chang, C., Cuff, M., Tesar, C., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)
• 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: 2.46 Å
• R-Value Free: 0.226 
• R-Value Work: 0.181 
• R-Value Observed: 0.185 

Starting Model: experimental

Literature

Crystal structure of beta-galactosidase from Bifidobacterium adolescentis

Chang, C., Cuff, M., Tesar, C., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 50.05 kDa 
• Atom Count: 3,397 
• Modelled Residue Count: 434 
• Deposited Residue Count: 464 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-galactosidase BgaB	A, B	232	Bifidobacterium adolescentis ATCC 15703	Mutation(s): 0  Gene Names: bgaB, bgaLII, BAD_1401 EC: 3.2.1.23
UniProt
Find proteins for A1A399 (Bifidobacterium adolescentis (strain ATCC 15703 / DSM 20083 / NCTC 11814 / E194a)) Explore A1A399  Go to UniProtKB:  A1A399

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.46 Å
• R-Value Free: 0.226 
• R-Value Work: 0.181 
• R-Value Observed: 0.185 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.549	α = 90
b = 90.549	β = 90
c = 278	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-08-02 
Deposition Author(s): Chang, C., Cuff, M., Tesar, C., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM115586

Revision History  

• Version 1.0: 2017-08-02
  Type: Initial release
  
• Version 1.1: 2020-01-01
  Changes: Author supporting evidence
• Version 1.2: 2023-10-04
  Changes: Data collection, Database references, Refinement description