6KBC | pdb_00006kbc

Crystal structure of CghA with Sch210972

• PDB DOI: https://doi.org/10.2210/pdb6KBC/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Chaetomium globosum CBS 148.51
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-06-24 Released: 2020-06-24 
• Deposition Author(s): Hara, K., Hashimoto, H., Maeda, N., Sato, M., Watanabe, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free: 
  0.209 (Depositor), 0.216 (DCC) 
• R-Value Work: 
  0.184 (Depositor) 
• R-Value Observed: 
  0.185 (Depositor) 

Starting Model: experimental

Literature

Catalytic mechanism and endo-to-exo selectivity reversion of an octalin-forming natural Diels-Alderase

Sato, M., Kishimoto, S., Yokoyama, M., Jamieson, C.S., Narita, K., Maeda, N., Hara, K., Hashimoto, H., Tsunematsu, Y., Houk, K.N., Tang, Y., Watanabe, K.

(2021) Nat Catal 

• DOI: https://doi.org/10.1038/s41929-021-00577-2

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: 44.61 kDa 
• Atom Count: 3,251 
• Modeled Residue Count: 378 
• Deposited Residue Count: 405 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CghA	A	405	Chaetomium globosum CBS 148.51	Mutation(s): 0  Gene Names: CHGG_02368 EC: 5.5.1
UniProt
Find proteins for Q2HBN6 (Chaetomium globosum (strain ATCC 6205 / CBS 148.51 / DSM 1962 / NBRC 6347 / NRRL 1970)) Explore Q2HBN6  Go to UniProtKB:  Q2HBN6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WK1 (Subject of Investigation/LOI)	B [auth A]	(2S)-3-[(2S,4E)-4-[[(1R,2S,4aR,6S,8R,8aS)-2-[(E)-but-2-en-2-yl]-6,8-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]-oxidanyl-methylidene]-3,5-bis(oxidanylidene)pyrrolidin-2-yl]-2-methyl-2-oxidanyl-propanoic acid C25 H35 N O6 AVZATKWNGXCSDN-RQCLIRHHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free:  0.209 (Depositor), 0.216 (DCC) 
• R-Value Work:  0.184 (Depositor) 
• R-Value Observed: 0.185 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.247	α = 90
b = 75.247	β = 90
c = 189.586	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHENIX	phasing
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-06-24 
Deposition Author(s): Hara, K., Hashimoto, H., Maeda, N., Sato, M., Watanabe, K.

Revision History  

• Version 1.0: 2020-06-24
  Type: Initial release
  
• Version 2.0: 2020-08-05
  Type: Coordinate replacement
  Reason: Model completeness
  Changes: Advisory, Atomic model, Author supporting evidence, Data collection, Derived calculations, Other, Refinement description, Structure summary
• Version 2.1: 2021-03-10
  Changes: Database references
• Version 2.2: 2023-11-22
  Changes: Data collection, Database references, Refinement description