4PE2

MBP PilA1 CD160

• PDB DOI: https://doi.org/10.2210/pdb4PE2/pdb

• Classification: CELL ADHESION
• Organism(s): Escherichia coli, Clostridioides difficile CD160
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2014-04-22 Released: 2015-01-14 
• Deposition Author(s): Piepenbrink, K.H., Sundberg, E.J.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.72 Å
• R-Value Free: 0.222 
• R-Value Work: 0.197 
• R-Value Observed: 0.198 

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 56.92 kDa 
• Atom Count: 4,181 
• Modelled Residue Count: 496 
• Deposited Residue Count: 516 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose ABC transporter periplasmic protein,Prepilin-type N-terminal cleavage/methylation domain protein	A	516	Escherichia coli, Clostridioides difficile CD160 This entity is chimeric	Mutation(s): 1  Gene Names: malE, BN896_3748, QEW_4140
UniProt
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G07411ON GlyCosmos:  G07411ON

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MLI	C [auth A]	MALONATE ION C3 H2 O4 OFOBLEOULBTSOW-UHFFFAOYSA-L

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900001	B	alpha-maltose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.72 Å
• R-Value Free: 0.222 
• R-Value Work: 0.197 
• R-Value Observed: 0.198 
• Space Group: I 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.484	α = 90
b = 70.468	β = 90.24
c = 117.153	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
SCALA	data scaling
PDB_EXTRACT	data extraction
PHASER	phasing
PHENIX	refinement
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-01-14 
Deposition Author(s): Piepenbrink, K.H., Sundberg, E.J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	1 F32 AI 110045
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R21 AI105881

Revision History  

• Version 1.0: 2015-01-14
  Type: Initial release
  
• Version 1.1: 2015-02-04
  Changes: Database references
• Version 1.2: 2015-02-11
  Changes: Database references
• Version 1.3: 2017-09-06
  Changes: Author supporting evidence, Database references, Derived calculations, Other, Source and taxonomy, Structure summary
• Version 1.4: 2017-11-22
  Changes: Refinement description
• Version 1.5: 2019-12-11
  Changes: Author supporting evidence, Derived calculations
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Refinement description, Structure summary
• Version 2.1: 2023-12-27
  Changes: Data collection, Database references, Structure summary