8K3X

S. cerevisiae Chs1 in complex with Nikkomycin Z

• PDB DOI: https://doi.org/10.2210/pdb8K3X/pdb
• EM Map EMD-36864: EMDB EMDataResource

• Classification: ANTIFUNGAL PROTEIN/INHIBITOR
• Organism(s): Saccharomyces cerevisiae
• Expression System: Saccharomyces cerevisiae
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-07-17 Released: 2023-10-18 
• Deposition Author(s): Bai, L., Chen, D.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.86 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure, catalysis, chitin transport, and selective inhibition of chitin synthase

Chen, D.D., Wang, Z.B., Wang, L.X., Zhao, P., Yun, C.H., Bai, L.

(2023) Nat Commun 14: 4776

• DOI: https://doi.org/10.1038/s41467-023-40479-4

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 (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 260.99 kDa 
• Atom Count: 10,386 
• Modelled Residue Count: 1,386 
• Deposited Residue Count: 2,262 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitin synthase 1	A, B	1,131	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: CHS1 EC: 2.4.1.16 Membrane Entity: Yes
UniProt
Find proteins for P08004 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P08004  Go to UniProtKB:  P08004

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BGI (Subject of Investigation/LOI)	C [auth A], D [auth B]	(2S)-{[(2S,3S,4S)-2-amino-4-hydroxy-4-(5-hydroxypyridin-2-yl)-3-methylbutanoyl]amino}[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid (non-preferred name) C20 H25 N5 O10 WWJFFVUVFNBJTN-VHDFTHOZSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.86 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.18.2_3874:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-10-18 
Deposition Author(s): Bai, L., Chen, D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32171212

Revision History  

• Version 1.0: 2023-10-18
  Type: Initial release
  
• Version 1.1: 2023-11-01
  Changes: Database references