7N67

Crystal structure of HCAN_0198, a 3,4-ketoisomerase from Helicobacter canadensis

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)	FdtA domain-containing protein	polymer	155	18227.6	2	UniProt (C5ZW00) Pfam (PF05523)	Helicobacter canadensis MIT 98-5491
2	C, E (A, B)	THYMIDINE-5'-DIPHOSPHATE	non-polymer		402.2	2	Chemie (TYD)
3	D (A)	TETRAMETHYLAMMONIUM ION	non-polymer		74.1	1	Chemie (TMA)
4	F, G (A, B)	water	water		18.0	123	Chemie (HOH)

Sequence modifications

A, B: 1 - 133 (UniProt: C5ZW00)

PDB	External Database	Details
Met -21	-	initiating methionine
Gly -20	-	expression tag
Ser -19	-	expression tag
Ser -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Glu -9	-	expression tag
Asn -8	-	expression tag
Leu -7	-	expression tag
Tyr -6	-	expression tag
Phe -5	-	expression tag
Gln -4	-	expression tag
Gly -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36455.1
Non-Polymers*	Number of molecules	3
	Total formula weight	878.5
All*	Total formula weight	37333.7

*Water molecules are not included.