6MN2

Crystal structure of meta-AAC0038, an environmental aminoglycoside resistance enzyme, mutant H168A in abortive complex with sisomicin-CoA

• PDB DOI: https://doi.org/10.2210/pdb6MN2/pdb

• Classification: TRANSFERASE/ANTIBIOTIC
• Organism(s): uncultured bacterium
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2018-10-01 Released: 2018-10-24 
• Deposition Author(s): Stogios, P.J., Skarina, T., Michalska, K., Xu, Z., Yim, V., Savchenko, A., Joachimiak, A., Satchell, K.J., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.74 Å
• R-Value Free: 0.270 
• R-Value Work: 0.249 
• R-Value Observed: 0.250 

Starting Model: experimental

Literature

Crystal structure of meta-AAC0038, an environmental aminoglycoside resistance enzyme, mutant H168A in abortive complex with sisomicin-CoA

Stogios, P.J.

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: 60.15 kDa 
• Atom Count: 4,292 
• Modelled Residue Count: 519 
• Deposited Residue Count: 526 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aminoglycoside N(3)-acetyltransferase	A, B	263	uncultured bacterium	Mutation(s): 1  EC: 2.3.1.81 (PDB Primary Data), 2.3.1 (UniProt)
UniProt
Find proteins for A0A059X981 (uncultured bacterium) Explore A0A059X981  Go to UniProtKB:  A0A059X981

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
COA	C [auth A], I [auth B]	COENZYME A C21 H36 N7 O16 P3 S RGJOEKWQDUBAIZ-IBOSZNHHSA-N
SIS	D [auth A], J [auth B]	(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2S,3R)-3-amino-6-(aminomethyl)-3,4-dihydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl 3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranoside C19 H37 N5 O7 URWAJWIAIPFPJE-YFMIWBNJSA-N
PEG	H [auth A], L [auth B]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4	K [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	E [auth A], F [auth A], G [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.74 Å
• R-Value Free: 0.270 
• R-Value Work: 0.249 
• R-Value Observed: 0.250 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 127.755	α = 90
b = 127.755	β = 90
c = 95.114	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing
PHENIX	model building
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-10-24 
Deposition Author(s): Stogios, P.J., Skarina, T., Michalska, K., Xu, Z., Yim, V., Savchenko, A., Joachimiak, A., Satchell, K.J., Center for Structural Genomics of Infectious Diseases (CSGID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201200026C
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201700060C

Revision History  

• Version 1.0: 2018-10-24
  Type: Initial release
  
• Version 1.1: 2019-12-18
  Changes: Author supporting evidence
• Version 1.2: 2023-10-11
  Changes: Data collection, Database references, Refinement description