2BX5

Is FR1 the antibody's Achillies heel

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	VD9 VKI LIGHT-CHAIN	polymer	107	11540.7	15	Pfam (PF07686) UniProt (by SIFTS) (Q9UL77)	HOMO SAPIENS (HUMAN)
2	AA, BA, CA, DA, P... (L, M, N, O, A...)	water	water		18.0	1048	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	15
	Total formula weight	173111.0
All*	Total formula weight	173111.0

*Water molecules are not included.