6Y4A

Crystal structure of the M295I variant of Ssl1

• PDB DOI: https://doi.org/10.2210/pdb6Y4A/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Streptomyces sviceus ATCC 29083
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2020-02-20 Released: 2021-09-01 
• Deposition Author(s): Mielenbrink, S., Olbrich, A., Urlacher, V., Span, I.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.228 
• R-Value Work: 0.186 

Literature

Effect of the axial ligand mutation on spectral and structural properties of Ssl1 laccase

Mielenbrink, S., Olbrich, A., Urlacher, V., Span, I.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 107.37 kDa 
• Atom Count: 6,902 
• Modelled Residue Count: 807 
• Deposited Residue Count: 975 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Copper oxidase	A [auth AAA], B [auth BBB], C [auth CCC]	325	Streptomyces sviceus ATCC 29083	Mutation(s): 1  Gene Names: SSEG_02446
UniProt
Find proteins for B5HSR1 (Streptomyces sviceus (strain ATCC 29083 / DSM 924 / JCM 4929 / NBRC 13980 / NCIMB 11184 / NRRL 5439 / UC 5370)) Explore B5HSR1  Go to UniProtKB:  B5HSR1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CU (Subject of Investigation/LOI)	D [auth AAA], E [auth AAA], F [auth AAA], G [auth BBB], H [auth BBB], I [auth BBB], J [auth CCC], K [auth CCC], L [auth CCC]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.228 
• R-Value Work: 0.186 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.38	α = 90
b = 104.32	β = 90
c = 162.33	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-09-01 
Deposition Author(s): Mielenbrink, S., Olbrich, A., Urlacher, V., Span, I.

Revision History  

• Version 1.0: 2021-09-01
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Derived calculations, Refinement description