7D41

Crystal structure of type III polyketide synthase from Mycobacterium marinum - P 21 21 21 Space group

• PDB DOI: https://doi.org/10.2210/pdb7D41/pdb

• Classification: TRANSFERASE
• Organism(s): Mycobacterium marinum M
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-09-21 Released: 2022-03-23 
• Deposition Author(s): Pratap, S., Kant, A., Saxena, P., Krishnan, V.
• Funding Organization(s): Department of Science & Technology (DST, India)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free: 
  0.258 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.204 (Depositor), 0.210 (DCC) 

Starting Model: experimental

Literature

crystal structure of type III polyketide synthase from Mycobacterium marinum

Pratap, S., Kant, A., Saxena, P., Krishnan, V.

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: 89.47 kDa 
• Atom Count: 5,434 
• Modelled Residue Count: 732 
• Deposited Residue Count: 826 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chalcone synthase-like protein	A [auth B]	413	Mycobacterium marinum M	Mutation(s): 0  Gene Names: MMAR_2190
UniProt
Find proteins for B2HNE1 (Mycobacterium marinum (strain ATCC BAA-535 / M)) Explore B2HNE1  Go to UniProtKB:  B2HNE1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Chalcone/stilbene synthase	B [auth A]	413	Mycobacterium marinum M	Mutation(s): 0  Gene Names: MMAR_2190
UniProt
Find proteins for B2HNE1 (Mycobacterium marinum (strain ATCC BAA-535 / M)) Explore B2HNE1  Go to UniProtKB:  B2HNE1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
OCA (Subject of Investigation/LOI)	C [auth B], D [auth A]	OCTANOIC ACID (CAPRYLIC ACID) C8 H16 O2 WWZKQHOCKIZLMA-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MCS	B [auth A]	L-PEPTIDE LINKING	C6 H9 N O5 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free:  0.258 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.204 (Depositor), 0.210 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.732	α = 90
b = 99.518	β = 90
c = 126.707	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
STARANISO	data scaling
SHELXDE	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-03-23 
Deposition Author(s): Pratap, S., Kant, A., Saxena, P., Krishnan, V.

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Funding Organization	Location	Grant Number
Department of Science & Technology (DST, India)	India	CRG/2018/002229

Revision History  

• Version 1.0: 2022-03-23
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Derived calculations, Refinement description