3UPT

Crystal structure of a transketolase from Burkholderia pseudomallei bound to TPP, calcium and ribose-5-phosphate

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	711	76727.5	2	UniProt (Q2SZA7)	Burkholderia thailandensis
2	C, I (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA) PubChem (271)
3	D, J (A, B)	THIAMINE DIPHOSPHATE	non-polymer		425.3	2	Chemie (TPP) PubChem (1132)
4	E, F (A)	5-O-phosphono-beta-D-ribofuranose	non-polymer		230.1	2	Chemie (RP5) PubChem (23422546) PubChem (24802507) PubChem (439167) PubChem (440101) PubChem (447568) PubChem (447634) PubChem (448203) PubChem (46876838) PubChem (53477706) PubChem (4175041) PubChem (91746440) PubChem (13990819) PubChem (118070650) PubChem (11401949) PubChem (124350436) PubChem (168368775) PubChem (172642146) PubChem (167077165) PubChem (168366045) PubChem (172641724)
5	G, H, K, L (A, B)	BROMIDE ION	non-polymer		79.9	4	Chemie (BR) PubChem (259)
6	M, N (A, B)	water	water		18.0	821	Chemie (HOH)

Sequence modifications

A, B: 1 - 690 (UniProt: Q2SZA7)

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

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	153455.0
Non-Polymers*	Number of molecules	10
	Total formula weight	1710.6
All*	Total formula weight	155165.6

*Water molecules are not included.