1IXX

CRYSTAL STRUCTURE OF COAGULATION FACTORS IX/X-BINDING PROTEIN (IX/X-BP) FROM VENOM OF HABU SNAKE WITH A HETERODIMER OF C-TYPE LECTIN DOMAINS

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 (A, C, E)	COAGULATION FACTORS IX/X-BINDING PROTEIN	polymer	129	14845.5	3	UniProt (P23806) Pfam (PF00059)	Trimeresurus flavoviridis	IX/X-BP
2	B, D, F (B, D, F)	COAGULATION FACTORS IX/X-BINDING PROTEIN	polymer	123	14455.1	3	UniProt (P23807) Pfam (PF00059)	Trimeresurus flavoviridis	IX/X-BP
3	G, H, I, J, K... (A, B, C, D, E...)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
4	M, N, O, P, Q... (A, B, C, D, E...)	water	water		18.0	146	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	87901.7
Non-Polymers*	Number of molecules	6
	Total formula weight	240.5
All*	Total formula weight	88142.2

*Water molecules are not included.