1WT9

crystal structure of Aa-X-bp-I, a snake venom protein with the activity of binding to coagulation factor X from Agkistrodon acutus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	agkisacutacin A chain	polymer	129	14712.3	1	UniProt (Q9DEF9) Pfam (PF00059) UniProt (by SIFTS) (Q9IAM1) In PDB	Deinagkistrodon acutus (Chinese moccasin)	Aa-X-bp-I, chain A
2	B	anticoagulant protein-B	polymer	123	14580.2	1	UniProt (Q9DEF8) Pfam (PF00059) In PDB	Deinagkistrodon acutus (Chinese moccasin)	Aa-X-bp-I, chain B
3	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	116	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29292.5
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	29372.6

*Water molecules are not included.