8SO3

CryoEM structure of a therapeutic antibody (favezelimab) bound to human LAG3

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	D, X	Lymphocyte activation gene 3 protein	polymer	525	57508.3	2	UniProt (P18627) In PDB	Homo sapiens (human)	LAG-3
2	H, Y	favezelimab Fab heavy chain	polymer	252	27245.7	2		Mus musculus (mouse)
3	L, Z	favezelimab Fab light chain	polymer	238	25915.6	2		Mus musculus (mouse)
4	D, X	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	4	Chemie (NAG)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	221339.2
Non-Polymers*	Number of molecules	4
	Total formula weight	884.8
All*	Total formula weight	222224.1

*Water molecules are not included.