7EK7

prawn ferritin to coordinate with heavy metal ions

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... (C, F, A, B, D...)	Ferritin	polymer	169	19388.7	6	UniProt (T2B7E1) Pfam (PF00210)	Marsupenaeus japonicus (Kuruma prawn)
2	G, H, I, J (C, A, D, E)	MERCURY (II) ION	non-polymer		200.6	4	Chemie (HG)
3	K, L, M, N, O... (C, F, A, B, D...)	water	water		18.0	126	Chemie (HOH)

Sequence modifications

C, F, A, B, D, E: 2 - 172 (UniProt: T2B7E1)

PDB	External Database	Details
Arg 89	Gln 88	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	116332.2
Non-Polymers*	Number of molecules	4
	Total formula weight	802.4
All*	Total formula weight	117134.6

*Water molecules are not included.