8T41

Crystal structure of aminopeptidase N from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb8T41/pdb

• Classification: HYDROLASE
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-06-08 Released: 2024-04-17 
• Deposition Author(s): Park, H.W., Moss, D.L., Landry, S.J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.166 
• R-Value Work: 0.143 
• R-Value Observed: 0.144 

Starting Model: in silico

Literature

Crystal structure of aminopeptidase N from Mycobacterium tuberculosis

Park, H.W., Moss, D.L., Landry, S.J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 95.33 kDa 
• Atom Count: 7,920 
• Modelled Residue Count: 859 
• Deposited Residue Count: 867 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aminopeptidase N	A	867	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: pepN EC: 3.4.11.2
UniProt
Find proteins for L7N655 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore L7N655  Go to UniProtKB:  L7N655

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG (Subject of Investigation/LOI)	C [auth A], D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.166 
• R-Value Work: 0.143 
• R-Value Observed: 0.144 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 283.588	α = 90
b = 56.747	β = 97.88
c = 58.138	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-17 
Deposition Author(s): Park, H.W., Moss, D.L., Landry, S.J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-04-17
  Type: Initial release
  
• Version 1.1: 2024-04-24
  Changes: Structure summary