6L44

Monomeric structure of monellin loop1 mutant with QVPAG motif

• PDB DOI: https://doi.org/10.2210/pdb6L44/pdb

• Classification: PLANT PROTEIN
• Organism(s): Dioscoreophyllum cumminsii
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2019-10-16 Released: 2021-04-21 
• Deposition Author(s): Manjula, R., Ramaswamy, S., Gosavi, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 0.250 
• R-Value Work: 0.165 
• R-Value Observed: 0.170 

Literature

The monomer structure of Monellin Loop1 mutant

Manjula, R., Gosavi, S., Ramaswamy, S.

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 21.57 kDa 
• Atom Count: 1,515 
• Modelled Residue Count: 180 
• Deposited Residue Count: 182 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Single chain Monellin	A, B	91	Dioscoreophyllum cumminsii	Mutation(s): 0
UniProt
Find proteins for P02881 (Dioscoreophyllum cumminsii) Explore P02881  Go to UniProtKB:  P02881
Find proteins for P02882 (Dioscoreophyllum cumminsii) Explore P02882  Go to UniProtKB:  P02882
UniProt Groups	P02881P02882

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4 (Subject of Investigation/LOI)	C [auth A], D [auth B], E [auth B], F [auth B], G [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 0.250 
• R-Value Work: 0.165 
• R-Value Observed: 0.170 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 29.48	α = 93.06
b = 30.041	β = 100.28
c = 46.45	γ = 94.72

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling
PDB_EXTRACT	data extraction
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-04-21 
Deposition Author(s): Manjula, R., Ramaswamy, S., Gosavi, S.

Revision History  

• Version 1.0: 2021-04-21
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Advisory, Data collection, Database references, Refinement description