3RIW

The Crystal Structure of Leishmania major Peroxidase mutant C197T

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Ascorbate peroxidase	polymer	271	30693.8	2	UniProt (Q4Q3K2) Pfam (PF00141) In PDB	Leishmania major
2	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	A, B	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
5		water	water		18.0	119	Chemie (HOH)

Sequence modifications

A, B: 35 - 303 (UniProt: Q4Q3K2)

PDB	External Database	Details
Thr 33	-	expression tag
Ser 34	-	expression tag
Thr 197	Cys 197	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	61387.6
Non-Polymers*	Number of molecules	6
	Total formula weight	1391.3
All*	Total formula weight	62778.9

*Water molecules are not included.