1SEZ

Crystal Structure of Protoporphyrinogen IX Oxidase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Protoporphyrinogen oxidase, mitochondrial	polymer	504	55902.1	2	UniProt (O24164) Pfam (PF01593) In PDB	Nicotiana tabacum (common tobacco)	PPO II, Protoporphyrinogen IX oxidase isozyme II, PPX II, PX-2
2	A, B	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	2	Chemie (FAD)
3	A, B	4-BROMO-3-(5'-CARBOXY-4'-CHLORO-2'-FLUOROPHENYL)-1-METHYL-5-TRIFLUOROMETHYL-PYRAZOL	non-polymer		401.5	2	Chemie (OMN)
4	A, B	2-{2-[4-(1,1,3,3-TETRAMETHYLBUTYL)PHENOXY]ETHOXY}ETHANOL	non-polymer		294.4	2	Chemie (TON)
5		water	water		18.0	143	Chemie (HOH)

Sequence modifications

A, B: 1 - 504 (UniProt: O24164)

PDB	External Database	Details
Mse 69	Met 69	MODIFIED RESIDUE
Mse 130	Met 130	MODIFIED RESIDUE
Mse 186	Met 186	MODIFIED RESIDUE
Mse 242	Met 242	MODIFIED RESIDUE
Mse 302	Met 302	MODIFIED RESIDUE
Mse 312	Met 312	MODIFIED RESIDUE
Mse 376	Met 376	MODIFIED RESIDUE
Mse 377	Met 377	MODIFIED RESIDUE
Mse 456	Met 456	MODIFIED RESIDUE

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	111804.2
Non-Polymers*	Number of molecules	6
	Total formula weight	2963.0
All*	Total formula weight	114767.2

*Water molecules are not included.