6HP2 | pdb_00006hp2

Crystal Structure of the O-Methyltransferase from the trans-AT PKS multienzyme C0ZGQ3 of Brevibacillus brevis in complex with S-Adenosyl-L-homocysteine

• PDB DOI: https://doi.org/10.2210/pdb6HP2/pdb

• Classification: TRANSFERASE
• Organism(s): Brevibacillus brevis NBRC 100599
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-09-19 Released: 2019-10-09 
• Deposition Author(s): Jakob, R.P., Felber, P., Demyanenko, Y., Delbart, F., Maier, T.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.202 (Depositor), 0.207 (DCC) 
• R-Value Work: 
  0.158 (Depositor), 0.165 (DCC) 
• R-Value Observed: 
  0.160 (Depositor) 

Starting Model: experimental

Literature

Structural and Functional Analysis of an O-Methyltransferase from the trans-AT PKS biosynthesis pathway

Jakob, R., Felber, P., Demyanenko, Y., Delbart, F., Maier, T.

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: 39.85 kDa 
• Atom Count: 2,663 
• Modeled Residue Count: 297 
• Deposited Residue Count: 344 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative polyketide synthase	A	344	Brevibacillus brevis NBRC 100599	Mutation(s): 0  Gene Names: BBR47_39850
UniProt
Find proteins for C0ZGQ3 (Brevibacillus brevis (strain 47 / JCM 6285 / NBRC 100599)) Explore C0ZGQ3  Go to UniProtKB:  C0ZGQ3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	B [auth A]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.202 (Depositor), 0.207 (DCC) 
• R-Value Work:  0.158 (Depositor), 0.165 (DCC) 
• R-Value Observed: 0.160 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.382	α = 90
b = 71.256	β = 104.9
c = 61.396	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-10-09 
Deposition Author(s): Jakob, R.P., Felber, P., Demyanenko, Y., Delbart, F., Maier, T.

Revision History  

• Version 1.0: 2019-10-09
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Refinement description
• Version 2.0: 2025-12-10
  Changes: Atomic model, Data collection, Structure summary