6D8J | pdb_00006d8j

Mycobacterium tuberculosis polyketide synthase 13 N-terminal acyl carrier protein domain

• PDB DOI: https://doi.org/10.2210/pdb6D8J/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-04-26 Released: 2018-06-06 
• Deposition Author(s): Tang, S., Sacchettini, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.63 Å
• R-Value Free: 
  0.183 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.163 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.165 (Depositor) 

Starting Model: experimental

Literature

Mycobacterium tuberculosis polyketide synthase 13 N-terminal acyl carrier protein domain

Tang, S., Sacchettini, J.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 9.81 kDa 
• Atom Count: 769 
• Modeled Residue Count: 79 
• Deposited Residue Count: 87 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyketide synthase	A	87	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: LH57_20715 EC: 2.3.1
UniProt
Find proteins for I6X8D2 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore I6X8D2  Go to UniProtKB:  I6X8D2

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG4	G [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
EDO	H [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CA	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.63 Å
• R-Value Free:  0.183 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.163 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.165 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.972	α = 90
b = 51.972	β = 90
c = 74.498	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-06-06 
Deposition Author(s): Tang, S., Sacchettini, J.

Revision History  

• Version 1.0: 2018-06-06
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Derived calculations, Refinement description