7VU3

Chitoporin from Serratia marcescens in-complex with chitohexaose

• PDB DOI: https://doi.org/10.2210/pdb7VU3/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Serratia marcescens
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTM


• Deposited: 2021-11-01 Released: 2022-11-09 
• Deposition Author(s): Amornloetwattana, R., Robinson, R.C., van den Berg, B., Suginta, W.
• Funding Organization(s): Vidyasirimedhi Institute of Science and Technology (VISTEC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.254 
• R-Value Work: 0.207 
• R-Value Observed: 0.212 

Literature

Chitoporin from Serratia marcescens in-complex with chitohexaose

Amornloetwattana, R., Robinson, R.C., van den Berg, B., Suginta, W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 51.81 kDa 
• Atom Count: 3,683 
• Modelled Residue Count: 435 
• Deposited Residue Count: 435 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitoporin	A	435	Serratia marcescens	Mutation(s): 0  Gene Names: chiP, AR325_08275, HMI62_06020 Membrane Entity: Yes
UniProt
Find proteins for A0A0P0QBS3 (Serratia marcescens) Explore A0A0P0QBS3  Go to UniProtKB:  A0A0P0QBS3

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B [auth U]	6		N/A
Glycosylation Resources
GlyTouCan:  G36414FS GlyCosmos:  G36414FS GlyGen:  G36414FS

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
C8E	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE C16 H34 O5 FEOZZFHAVXYAMB-UHFFFAOYSA-N
CA	H [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.254 
• R-Value Work: 0.207 
• R-Value Observed: 0.212 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.24	α = 90
b = 73.24	β = 90
c = 213.46	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
PHENIX	model building
PHASER	phasing
iMOSFLM	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-09 
Deposition Author(s): Amornloetwattana, R., Robinson, R.C., van den Berg, B., Suginta, W.

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Funding Organization	Location	Grant Number
Vidyasirimedhi Institute of Science and Technology (VISTEC)	Thailand	--

Revision History  

• Version 1.0: 2022-11-09
  Type: Initial release
  
• Version 1.1: 2023-03-15
  Changes: Database references, Structure summary
• Version 1.2: 2023-11-29
  Changes: Data collection, Refinement description