6NLT | pdb_00006nlt

Apo structure of the T130K mutant of ANT-4

• PDB DOI: https://doi.org/10.2210/pdb6NLT/pdb

• Classification: ANTIBIOTIC
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli-Pichia pastoris shuttle vector pPpARG4
• Mutation(s): Yes 


• Deposited: 2019-01-09 Released: 2020-01-29 
• Deposition Author(s): Selvaraj, B., Cuneo, M.J.
• Funding Organization(s): National Science Foundation (NSF, United States), Department of Energy (DOE, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.215 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.175 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.177 (Depositor) 

Starting Model: experimental

Literature

Catch and release: A novel variation of the archetypal nucleotidyl transfer reaction

Cuneo, M.J., Selvaraj, B.

To be published.

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: gel filtration

Macromolecule Content 

• Total Structure Weight: 58.39 kDa 
• Atom Count: 4,682 
• Modeled Residue Count: 505 
• Deposited Residue Count: 512 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kanamycin nucleotidyltransferase	A, B	256	Staphylococcus aureus	Mutation(s): 1  Gene Names: knt, kan EC: 2.7.7
UniProt
Find proteins for P05057 (Staphylococcus aureus) Explore P05057  Go to UniProtKB:  P05057

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA (Subject of Investigation/LOI)	C [auth A], D [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.215 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.175 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.177 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.251	α = 90
b = 97.65	β = 90
c = 101.08	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-01-29 
Deposition Author(s): Selvaraj, B., Cuneo, M.J.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	--
Department of Energy (DOE, United States)	United States	--

Revision History  

• Version 1.0: 2020-01-29
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Derived calculations, Refinement description