3S4Y

Crystal structure of human thiamin pyrophosphokinase 1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Thiamin pyrophosphokinase 1	polymer	247	27923.8	2	UniProt (Q9H3S4) Pfam (PF04263) Pfam (PF04265) In PDB	Homo sapiens (human)	hTPK1, Placental protein 20, PP20, Thiamine pyrophosphokinase 1
2	A, B	THIAMINE DIPHOSPHATE	non-polymer		425.3	2	Chemie (TPP)
3	A, B	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
4	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5	A, B	UNKNOWN ATOM OR ION	non-polymer			9	Chemie (UNX)
6		water	water		18.0	314	Chemie (HOH)

Sequence modifications

A, B: 15 - 243 (UniProt: Q9H3S4)

PDB	External Database	Details
Met -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
His 2	-	expression tag
His 3	-	expression tag
Ser 4	-	expression tag
Ser 5	-	expression tag
Gly 6	-	expression tag
Arg 7	-	expression tag
Glu 8	-	expression tag
Asn 9	-	expression tag
Leu 10	-	expression tag
Tyr 11	-	expression tag
Phe 12	-	expression tag
Gln 13	-	expression tag
Gly 14	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	55847.6
Non-Polymers*	Number of molecules	18
	Total formula weight	1411.1
All*	Total formula weight	57258.7

*Water molecules are not included.