5L20 | pdb_00005l20

Crystal Structure of a Clostripain (BT_0727) from Bacteroides thetaiotaomicron ATCC 29148 in Complex with Peptide Inhibitor BTN-VLTK-AOMK

• PDB DOI: https://doi.org/10.2210/pdb5L20/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Bacteroides thetaiotaomicron VPI-5482, synthetic construct
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2016-07-29 Released: 2017-08-02 
• Deposition Author(s): Wolan, D.W., Roncase, E.J.
• 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: 1.45 Å
• R-Value Free: 
  0.179 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.150 (Depositor), 0.150 (DCC) 
• R-Value Observed: 
  0.151 (Depositor) 

Literature

Crystal Structure of a Clostripain (BT_0727) from Bacteroides thetaiotaomicron ATCC 29148 in Complex with Peptide Inhibitor BTN-VLTK-AOMK

Wolan, D.W., Roncase, E.J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 43.11 kDa 
• Atom Count: 3,173 
• Modeled Residue Count: 344 
• Deposited Residue Count: 377 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Clostripain-related protein	A	143	Bacteroides thetaiotaomicron VPI-5482	Mutation(s): 0  Gene Names: BT_0727
UniProt
Find proteins for Q8A9T8 (Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / VPI-5482 / E50)) Explore Q8A9T8  Go to UniProtKB:  Q8A9T8

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Clostripain-related protein	B	229	Bacteroides thetaiotaomicron VPI-5482	Mutation(s): 0  Gene Names: BT_0727
UniProt
Find proteins for Q8A9T8 (Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / VPI-5482 / E50)) Explore Q8A9T8  Go to UniProtKB:  Q8A9T8

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptide Inhibitor BTN-VLTK-AOMK	C	5	synthetic construct	Mutation(s): 0

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 3
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_002239	C	Peptide Inhibitor BTN-VLTK-AOMK	Peptide-like / Inhibitor

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free:  0.179 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.150 (Depositor), 0.150 (DCC) 
• R-Value Observed: 0.151 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.207	α = 90
b = 102.885	β = 90
c = 84.186	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-08-02 
Deposition Author(s): Wolan, D.W., Roncase, E.J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	3U54GM094586-03S1

Revision History  

• Version 1.0: 2017-08-02
  Type: Initial release
  
• Version 1.1: 2019-12-25
  Changes: Author supporting evidence
• Version 2.0: 2023-11-15
  Changes: Atomic model, Data collection, Database references, Derived calculations