9KOE

X-ray crystallography of ascorbate peroxidase APEX2

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)	L-ascorbate peroxidase	polymer	247	26801.2	2	UniProt (Q43758)	Glycine max (soybean)
2	C, F (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, E, G, H (A, B)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4) PubChem (1061)
4	I, J (A, B)	water	water		18.0	303	Chemie (HOH)

Sequence modifications

A, B: 3 - 249 (UniProt: Q43758)

PDB	External Database	Details
Asp 14	Lys 14	engineered mutation
Phe 41	Trp 41	engineered mutation
Lys 112	Glu 112	engineered mutation
Pro 134	Ala 134	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53602.4
Non-Polymers*	Number of molecules	6
	Total formula weight	1612.9
All*	Total formula weight	55215.3

*Water molecules are not included.