4X7T

Structure of Omalizumab Fab fragment, crystal form 2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	H, A	Omalizumab-Fab Heavy chain	polymer	222	23653.4	2		Homo sapiens (Human)
2	L, B	Omalizumab-Fab Light chain	polymer	218	23922.3	2		Homo sapiens (Human)
3	H, A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	95151.3
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	95343.5

*Water molecules are not included.