5KIA

Crystal structure of L-threonine 3-dehydrogenase from Burkholderia thailandensis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	L-threonine 3-dehydrogenase	polymer	351	38509.3	1	UniProt (Q2T9E1) Pfam (PF08240) Pfam (PF00107) In PDB	Burkholderia thailandensis (strain ATCC 700388 / DSM 13276 / CIP 106301 / E264)	TDH
2	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	158	Chemie (HOH)

Sequence modifications

A: 1 - 343 (UniProt: Q2T9E1)

PDB	External Database	Details
Met -7	-	initiating methionine
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	38509.3
Non-Polymers*	Number of molecules	3
	Total formula weight	145.6
All*	Total formula weight	38654.9

*Water molecules are not included.