6ZDW | pdb_00006zdw

Crystal structure of the ribonuclease core of R3B2

• PDB DOI: https://doi.org/10.2210/pdb6ZDW/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Mucor lusitanicus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-06-15 Released: 2021-03-31 
• Deposition Author(s): Canovas-Marquez, J.T., Garre, V., Falk, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.182 (Depositor), 0.163 (DCC) 
• R-Value Work: 
  0.162 (Depositor) 

Literature

An RNase III ribonuclease has evolved in early-diverging fungi to cut single-stranded RNA

Canovas-Marquez, J.T., Falk, S., Nicolas, F.E., Padmanabhan, S., Zapata-Perez, R., Sanchez-Ferrer, A., Navarro, E., Garre, V.

(2021) Nucleic Acids Res 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: light scattering

Macromolecule Content 

• Total Structure Weight: 61.8 kDa 
• Atom Count: 2,528 
• Modeled Residue Count: 288 
• Deposited Residue Count: 544 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DRBM domain-containing protein	A [auth AAA], B [auth BBB]	272	Mucor lusitanicus	Mutation(s): 0  Gene Names: MUCCIDRAFT_80729
UniProt
Find proteins for A0A162MUP0 (Mucor lusitanicus CBS 277.49) Explore A0A162MUP0  Go to UniProtKB:  A0A162MUP0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free:  0.182 (Depositor), 0.163 (DCC) 
• R-Value Work:  0.162 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.91	α = 90
b = 80.759	β = 90
c = 83.783	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data reduction
AutoSol	phasing
DIALS	data processing
Aimless	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-03-31 
Deposition Author(s): Canovas-Marquez, J.T., Garre, V., Falk, S.

Revision History  

• Version 1.0: 2021-03-31
  Type: Initial release
  
• Version 1.1: 2024-05-15
  Changes: Data collection, Database references, Derived calculations