4YOG

HKU4-3CLpro bound to non-covalent inhibitor 3B

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	3C-like proteinase	polymer	306	33220.9	2	UniProt (P0C6W3) Pfam (PF05409)	Bat coronavirus HKU4 (BtCoV)	3CL-PRO, 3CLp
2	C, D, E, F, H... (A, B)	ACETATE ION	non-polymer		59.0	7	Chemie (ACT)
3	G, K (A, B)	N-[4-(acetylamino)phenyl]-2-(1H-benzotriazol-1-yl)-N-[(1R)-2-(tert-butylamino)-2-oxo-1-(thiophen-3-yl)ethyl]acetamide	non-polymer		504.6	2	Chemie (4F5)
4	L, M (A, B)	water	water		18.0	222	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66441.7
Non-Polymers*	Number of molecules	9
	Total formula weight	1422.5
All*	Total formula weight	67864.2

*Water molecules are not included.