4XGW

Crystal structure of Escherichia coli Flavin trafficking protein, an FMN transferase, E169K mutant

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)	FAD:protein FMN transferase	polymer	340	37650.5	4	UniProt (P0AB85) Pfam (PF02424)	Escherichia coli	Flavin transferase
2	E, G, H, L (A, B, C, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	F, I, M (A, C, D)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
4	J, K, N, O (C, D)	1,2-ETHANEDIOL	non-polymer		62.1	4	Chemie (EDO)
5	P, Q, R, S (A, B, C, D)	water	water		18.0	679	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 332 (UniProt: P0AB85)

PDB	External Database	Details
Met 1	-	initiating methionine
Lys 169	Glu 188	engineered mutation
Leu 333	-	expression tag
Glu 334	-	expression tag
His 335	-	expression tag
His 336	-	expression tag
His 337	-	expression tag
His 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	150602.0
Non-Polymers*	Number of molecules	11
	Total formula weight	477.6
All*	Total formula weight	151079.6

*Water molecules are not included.