5K8A

NIST FAB

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G (L, M, A, E)	humanized Fab Lite chain	polymer	213	23150.7	4		Mus musculus
2	B, D, F, H (H, V, B, F)	Heavy chain	polymer	227	24534.7	4		Mus musculus
3	I, J, K, L, M... (L, H, M, V, A...)	water	water		18.0	365	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	190741.7
All*	Total formula weight	190741.7

*Water molecules are not included.