1WZA

Crystal structure of alpha-amylase from H.orenii

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	alpha-amylase A	polymer	488	56745.2	1	UniProt (Q8GPL8) Pfam (PF00128) Pfam (PF11941) In PDB	Halothermothrix orenii
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	551	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	56745.2
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	56825.4

*Water molecules are not included.