7WRR

X-ray structure of Thermus thermophilus HB8 transketorase in complex with TPP and MES

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Transketolase	polymer	672	74230.7	4	UniProt (Q5SM35) Pfam (PF00456) Pfam (PF02779) Pfam (PF22613) In PDB	Thermus thermophilus HB8
2	A, B, C, D	THIAMINE DIPHOSPHATE	non-polymer		425.3	4	Chemie (TPP)
3	A, B, C, D	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	A, B, C, D	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	4	Chemie (MES)
5		water	water		18.0	525	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 651 (UniProt: Q5SM35)

PDB	External Database	Details
Met -20	-	initiating methionine
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	296922.9
Non-Polymers*	Number of molecules	12
	Total formula weight	2642.5
All*	Total formula weight	299565.4

*Water molecules are not included.