1JI2

Improved X-ray Structure of Thermoactinomyces vulgaris R-47 alpha-Amylase 2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	ALPHA-AMYLASE II	polymer	585	67554.1	2	UniProt (Q08751) Pfam (PF02903) Pfam (PF00128) Pfam (PF16657)	Thermoactinomyces vulgaris	NEOPULLULANASE
2	C, D (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	E, F (A, B)	water	water		18.0	896	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	135108.2
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	135188.4

*Water molecules are not included.