9LQM

Crystal structure of synthetic ubiquitin variant R4 designed by ProteinMPNN

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)	ubiquitin variant R4	polymer	103	11714.2	2		synthetic construct
2	C, D, E, F, G (A, B)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
3	H, I (A, B)	water	water		18.0	237	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23428.4
Non-Polymers*	Number of molecules	5
	Total formula weight	480.3
All*	Total formula weight	23908.7

*Water molecules are not included.