3BK9

H55A mutant of tryptophan 2,3-dioxygenase from Xanthomonas campestris

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, E... (A, B, C, D, E...)	Tryptophan 2,3-dioxygenase	polymer	306	35664.4	8	UniProt (Q8PDA8) Pfam (PF03301)	Xanthomonas campestris pv. campestris	TDO
2	BA, I, K, L, N... (H, A, B, C, D...)	TRYPTOPHAN	non-polymer		204.2	13	Chemie (TRP)
3	AA, CA, J, M, Q... (G, H, A, B, C...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	8	Chemie (HEM)
4	DA, EA, FA, GA, HA... (A, B, C, D, E...)	water	water		18.0	1016	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 298 (UniProt: Q8PDA8)

PDB	External Database	Details
Ala 55	His 55	engineered mutation
Leu 299	-	expression tag
Glu 300	-	expression tag
His 301	-	expression tag
His 302	-	expression tag
His 303	-	expression tag
His 304	-	expression tag
His 305	-	expression tag
His 306	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	285314.8
Non-Polymers*	Number of molecules	21
	Total formula weight	7586.8
All*	Total formula weight	292901.7

*Water molecules are not included.