Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 97.39 kDa 
• Atom Count: 7,247 
• Modelled Residue Count: 788 
• Deposited Residue Count: 801 
• Unique protein chains: 1

 8EW1

Structure of Bacple_01703-E145L

• PDB DOI:  https://doi.org/10.2210/pdb8EW1/pdb

• Classification: HYDROLASE
• Organism(s): Phocaeicola plebeius DSM 17135
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2022-10-21 Released: 2023-05-10 
• Deposition Author(s): Ulaganathan, T., Cygler, M.
• Funding Organization(s): Natural Sciences and Engineering Research Council (NSERC, Canada)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.255 
• R-Value Work: 0.227 
• R-Value Observed: 0.229 

Literature

The porphyran degradation system of the human gut microbiota is complete, phylogenetically diverse and geographically structured across Asian populations

Mathieu, S., Touvrey, M., Poulet, L., Drouillard, S., Ulaganathan, T.S., Segurel, L., Cygler, M., Helbert, W.

(2023) Biorxiv 

• DOI: https://doi.org/10.1101/2023.03.30.534863

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glycosyl hydrolase family 16	A, B, C	267	Phocaeicola plebeius DSM 17135	Mutation(s): 1  Gene Names: BACPLE_01703
UniProt
Find proteins for B5CYA6 (Phocaeicola plebeius (strain DSM 17135 / JCM 12973 / M2)) Explore B5CYA6  Go to UniProtKB:  B5CYA6

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Chain Length	2D Diagram	Glycosylation
beta-D-galactopyranose-(1-4)-6-O-sulfo-alpha-L-galactopyranose-(1-3)-beta-D-galactopyranose	D, E, F	3	N/A	N/A

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL (Subject of Investigation/LOI)	G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT	J [auth A], L [auth B], N [auth C]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
CA	H [auth A], K [auth B], M [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	I [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.255 
• R-Value Work: 0.227 
• R-Value Observed: 0.229 
• Space Group: P 3₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.72	α = 90
b = 85.72	β = 90
c = 112.36	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-10 
Deposition Author(s): Ulaganathan, T., Cygler, M.

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Funding Organization	Location	Grant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	--

Revision History  

• Version 1.0: 2023-05-10
  Type: Initial release