4Y4L

Crystal structure of yeast Thi4-C205S

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 (A, B, C, D)	Thiamine thiazole synthase	polymer	346	37185.2	4	UniProt (P32318) Pfam (PF01946)	Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)	Thiazole biosynthetic enzyme
2	E, F, G, H (A, B, C, D)	(2E)-2-[(2S,4R)-5-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-4-oxidanyl-3-oxidanylidene-pentan-2-yl]iminoethanoic acid	non-polymer		598.4	4	Chemie (48N)
3	I, J, K, L (A, B, C, D)	water	water		18.0	333	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 326 (UniProt: P32318)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Ser 205	Cys 205	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	148740.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2393.4
All*	Total formula weight	151134.1

*Water molecules are not included.