6M52

Human apo ferritin frozen on TEM grid with amorphous carbon supporting film

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	Ferritin heavy chain	polymer	183	21255.7	24	UniProt (P02794) Pfam (PF00210)	Homo sapiens (Human)	Ferritin H subunit,Cell proliferation-inducing gene 15 protein
2	AA, BA, CA, DA, Y... (E, F, I, J, A...)	FE (II) ION	non-polymer		55.8	6	Chemie (FE2)
3	EA, FA, GA, HA, IA... (F, H, J, K, S...)	water	water		18.0	8	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	24
	Total formula weight	510135.7
Non-Polymers*	Number of molecules	6
	Total formula weight	335.1
All*	Total formula weight	510470.8

*Water molecules are not included.