8T7F

Structure of the S1 variant of Fab F1

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, I... (C, A, D, F, I...)	S1 variant of Fab F1 heavy chain	polymer	237	25332.2	6		Homo sapiens (human)
2	B, D, F, H, J... (G, B, E, H, J...)	S1 variant of Fab F1 light chain	polymer	216	23479.0	6		Homo sapiens (human)
3	M, O (C, D)	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	2	Chemie (EPE)
4	N, P (D, K)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	292867.3
Non-Polymers*	Number of molecules	4
	Total formula weight	668.7
All*	Total formula weight	293536.1

*Water molecules are not included.