6Q6P

Antarctic fish cytoglobin 1 from D.mawsoni

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)	Cytoglobin	polymer	179	20112.7	2	UniProt (A0A192X9K5)	Dissostichus mawsoni (Antarctic toothfish)
2	C, D (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	E, F (A, B)	water	water		18.0	15	Chemie (HOH)

Sequence modifications

A, B: 1 - 179 (UniProt: A0A192X9K5)

PDB	External Database	Details
Ser 38	Cys 38	engineered mutation
Ser 160	Cys 160	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	40225.5
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	41458.5

*Water molecules are not included.