1TRK

REFINED STRUCTURE OF TRANSKETOLASE FROM SACCHAROMYCES CEREVISIAE AT 2.0 ANGSTROMS RESOLUTION

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)	TRANSKETOLASE	polymer	680	73887.4	2	UniProt (P23254) Pfam (PF00456) Pfam (PF02779) Pfam (PF02780)	Saccharomyces cerevisiae (baker's yeast)
2	C, E (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, F (A, B)	THIAMINE DIPHOSPHATE	non-polymer		425.3	2	Chemie (TPP)
4	G, H (A, B)	water	water		18.0	1021	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	147774.8
Non-Polymers*	Number of molecules	4
	Total formula weight	930.8
All*	Total formula weight	148705.6

*Water molecules are not included.