1E3X

Native structure of chimaeric amylase from B. amyloliquefaciens and B. licheniformis at 1.92A

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	polymer	483	55038.4	1	UniProt (P00692) UniProt (P06278) Pfam (PF00128) Pfam (PF09154) In PDB	BACILLUS AMYLOLIQUEFACIENS
2	A	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4		water	water		18.0	682	Chemie (HOH)

Sequence modifications

A: 1 - 300 (UniProt: P00692)
A: 301 - 483 (UniProt: P06278)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	55038.4
Non-Polymers*	Number of molecules	5
	Total formula weight	183.3
All*	Total formula weight	55221.7

*Water molecules are not included.