2PWG

Crystal Structure of the Trehalulose Synthase MutB From Pseudomonas Mesoacidophila MX-45 Complexed to the Inhibitor Castanospermine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Sucrose isomerase	polymer	556	63809.7	2	UniProt (Q2PS28) Pfam (PF00128) Pfam (PF11941) In PDB	Pseudomonas mesoacidophila
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	A, B	CASTANOSPERMINE	non-polymer		189.2	2	Chemie (CTS)
4		water	water		18.0	1367	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	127619.3
Non-Polymers*	Number of molecules	4
	Total formula weight	458.6
All*	Total formula weight	128077.9

*Water molecules are not included.