1Y62

A 2.4 crystal structure of conkunitzin-S1, a novel Kunitz-fold cone snail neurotoxin.

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...)	Conkunitzin-S1	polymer	60	6944.7	6	Pfam (PF00014) UniProt (by SIFTS) (P0C1X2)
2	G, H, I, J, K... (A, B, C, D, E...)	SULFATE ION	non-polymer		96.1	15	Chemie (SO4)
3	AA, V, W, X, Y... (F, A, B, C, D...)	water	water		18.0	52	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	41668.1
Non-Polymers*	Number of molecules	15
	Total formula weight	1440.9
All*	Total formula weight	43109.1

*Water molecules are not included.