1BJ3

CRYSTAL STRUCTURE OF COAGULATION FACTOR IX-BINDING PROTEIN (IX-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	PROTEIN (COAGULATION FACTOR IX-BINDING PROTEIN A)	polymer	129	14655.2	1	PIR (JC4329) Pfam (PF00059) UniProt (by SIFTS) (Q7LZ71) In PDB	Trimeresurus flavoviridis	IX-BP
2	B	PROTEIN (COAGULATION FACTOR IX-BINDING PROTEIN B)	polymer	123	14455.1	1	UniProt (P23807) Pfam (PF00059) In PDB	Trimeresurus flavoviridis	IX-BP
3	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	83	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29110.3
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	29190.4

*Water molecules are not included.