4IZX

Macrolepiota procera ricin B-like lectin (MPL) in complex with lactose

• PDB DOI: https://doi.org/10.2210/pdb4IZX/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Macrolepiota procera
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-01-30 Released: 2013-11-20 
• Deposition Author(s): Renko, M., Zurga, S., Sabotic, J., Pohleven, J., Kos, J., Turk, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 0.132 
• R-Value Work: 0.107 
• R-Value Observed: 0.109 

Literature

Macrolepiota procera ricin B-like lectin (MPL) in complex with lactose

Renko, M., Zurga, S., Sabotic, J., Pohleven, J., Kos, J., Turk, D.

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)

Macromolecule Content

• Total Structure Weight: 16.26 kDa 
• Atom Count: 1,394 
• Modelled Residue Count: 139 
• Deposited Residue Count: 140 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ricin B-like lectin	A	140	Macrolepiota procera	Mutation(s): 0
UniProt
Find proteins for F6KMV5 (Macrolepiota procera) Explore F6KMV5  Go to UniProtKB:  F6KMV5

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-beta-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G84224TW GlyCosmos:  G84224TW GlyGen:  G84224TW

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BEN	C [auth A]	BENZAMIDINE C7 H8 N2 PXXJHWLDUBFPOL-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900004	B	beta-lactose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 0.132 
• R-Value Work: 0.107 
• R-Value Observed: 0.109 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.8	α = 90
b = 57.158	β = 90
c = 61.229	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
PHASER	phasing
MAIN	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-11-20 
Deposition Author(s): Renko, M., Zurga, S., Sabotic, J., Pohleven, J., Kos, J., Turk, D.

Revision History  

• Version 1.0: 2013-11-20
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Advisory, Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 3.0: 2021-08-04
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 3.1: 2023-09-20
  Changes: Advisory, Data collection, Database references, Refinement description