3A68

Crystal structure of plant ferritin reveals a novel metal binding site that functions as a transit site for metal transfer in ferritin

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-4, chloroplastic	polymer	212	24017.0	24	UniProt (Q948P5) Pfam (PF00210)	Glycine max (soybeans)	SFerH-4
2	AA, AB, AC, AD, AE... (A, E, I, M, Q...)	CALCIUM ION	non-polymer		40.1	136	Chemie (CA)
3	DC, EB, FA, FD, GE... (I, E, A, M, Q...)	ACETIC ACID	non-polymer		60.1	18	Chemie (ACY)
4	AG, BG, CG, DG, EG... (E, F, G, H, I...)	water	water		18.0	4514	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	24
	Total formula weight	576407.7
Non-Polymers*	Number of molecules	154
	Total formula weight	6531.5
All*	Total formula weight	582939.2

*Water molecules are not included.