3K50

Crystal structure of Putative S41 protease (YP_211611.1) from Bacteroides fragilis NCTC 9343 at 2.00 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3K50/pdb

• Classification: HYDROLASE
• Organism(s): Bacteroides fragilis NCTC 9343
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-10-06 Released: 2009-10-13 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.205 
• R-Value Work: 0.157 
• R-Value Observed: 0.159 

Literature

Crystal structure of Putative S41 protease (YP_211611.1) from Bacteroides fragilis NCTC 9343 at 2.00 A resolution

Joint Center for Structural Genomics (JCSG)

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, light scattering

Macromolecule Content

• Total Structure Weight: 46.05 kDa 
• Atom Count: 3,438 
• Modelled Residue Count: 389 
• Deposited Residue Count: 403 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative S41 protease	A	403	Bacteroides fragilis NCTC 9343	Mutation(s): 0  Gene Names: BF1979
UniProt
Find proteins for A0A380YY03 (Bacteroides fragilis (strain ATCC 25285 / DSM 2151 / CCUG 4856 / JCM 11019 / LMG 10263 / NCTC 9343 / Onslow / VPI 2553 / EN-2)) Explore A0A380YY03  Go to UniProtKB:  A0A380YY03

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A], D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	B [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.205 
• R-Value Work: 0.157 
• R-Value Observed: 0.159 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/M33K50

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.274	α = 90
b = 91.435	β = 90
c = 107.126	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-13 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2009-10-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations
• Version 1.5: 2024-11-06
  Changes: Data collection, Structure summary