8K2F

Crystal structure of Group 1 oligosaccharide-releasing beta-N-acetylgalactosaminidase NgaCa from Cohnella abietis, apo 1 form

• PDB DOI: https://doi.org/10.2210/pdb8K2F/pdb

• Classification: HYDROLASE
• Organism(s): Cohnella abietis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-07-12 Released: 2024-04-24 
• Deposition Author(s): Sumida, T., Fushinobu, S.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS), Mizutani Foundation for Glycoscience

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.215 
• R-Value Work: 0.174 
• R-Value Observed: 0.176 

Literature

Genetic and functional diversity of beta-N-acetylgalactosamine residue-targeting glycosidases expanded by deep-sea metagenome

Sumida, T., Hiraoka, S., Usui, K., Ishiwata, A., Sengoku, T., Stubbs, K.A., Tanaka, K., Deguchi, S., Fushinobu, S., Nunoura, T.

To be published.

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

Macromolecule Content

• Total Structure Weight: 58.16 kDa 
• Atom Count: 4,222 
• Modelled Residue Count: 496 
• Deposited Residue Count: 516 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Oligosaccharide-releasing beta-N-acetylgalactosaminidase	A	516	Cohnella abietis	Mutation(s): 0  Gene Names: KCTCHS21_21730
UniProt
Find proteins for A0A3T1D3V8 (Cohnella abietis) Explore A0A3T1D3V8  Go to UniProtKB:  A0A3T1D3V8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.215 
• R-Value Work: 0.174 
• R-Value Observed: 0.176 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.699	α = 90
b = 70.614	β = 100.86
c = 71.604	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-24 
Deposition Author(s): Sumida, T., Fushinobu, S.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	JP22K05398
Japan Society for the Promotion of Science (JSPS)	Japan	JP20K15444
Mizutani Foundation for Glycoscience	Japan	FT100100291

Revision History  

• Version 1.0: 2024-04-24
  Type: Initial release