3W1W

Protein-drug complex

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)	Ferrochelatase, mitochondrial	polymer	371	42648.1	2	UniProt (P22830) Pfam (PF00762)	Homo sapiens (human)	Heme synthase, Protoheme ferro-lyase
2	C, J (A, B)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	2	Chemie (FES)
3	D, E, F, I, K... (A, B)	CHOLIC ACID	non-polymer		408.6	8	Chemie (CHD)
4	G (A)	2-HYDROXYBENZOIC ACID	non-polymer		138.1	1	Chemie (SAL)
5	H, N (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
6	P, Q (A, B)	water	water		18.0	417	Chemie (HOH)

Sequence modifications

A, B: 61 - 423 (UniProt: P22830)

PDB	External Database	Details
Met 53	-	expression tag
Ala 54	-	expression tag
His 55	-	expression tag
His 56	-	expression tag
His 57	-	expression tag
His 58	-	expression tag
His 59	-	expression tag
His 60	-	expression tag
Leu 115	Arg 115	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85296.1
Non-Polymers*	Number of molecules	13
	Total formula weight	3882.5
All*	Total formula weight	89178.6

*Water molecules are not included.