2J1A

Structure of CBM32 from Clostridium perfringens beta-N- acetylhexosaminidase GH84C in complex with galactose

• PDB DOI: https://doi.org/10.2210/pdb2J1A/pdb

• Classification: HYDROLASE
• Organism(s): Clostridium perfringens ATCC 13124
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-08-09 Released: 2006-08-22 
• Deposition Author(s): Ficko-Blean, E., Boraston, A.B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.49 Å
• R-Value Free: 0.226 
• R-Value Work: 0.201 
• R-Value Observed: 0.203 

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 16.64 kDa 
• Atom Count: 1,288 
• Modelled Residue Count: 141 
• Deposited Residue Count: 150 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HYALURONIDASE	A	150	Clostridium perfringens ATCC 13124	Mutation(s): 0
UniProt
Find proteins for Q0TR53 (Clostridium perfringens (strain ATCC 13124 / DSM 756 / JCM 1290 / NCIMB 6125 / NCTC 8237 / Type A)) Explore Q0TR53  Go to UniProtKB:  Q0TR53

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GAL	B [auth A]	beta-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-FPRJBGLDSA-N
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
GAL	Binding MOAD:  2J1A	Kd: 9.80e+5 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.49 Å
• R-Value Free: 0.226 
• R-Value Work: 0.201 
• R-Value Observed: 0.203 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.861	α = 90
b = 43.861	β = 90
c = 139.475	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-08-22 
Deposition Author(s): Ficko-Blean, E., Boraston, A.B.

Revision History  

• Version 1.0: 2006-08-22
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other, Structure summary