7EK4

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... (A, B, C, D, E...)	Ferritin	polymer	169	19388.7	6	UniProt (T2B7E1) Pfam (PF00210)	Marsupenaeus japonicus (Kuruma prawn)
2	G, I, K, M, O... (A, B, C, D, E...)	MERCURY (II) ION	non-polymer		200.6	6	Chemie (HG)
3	H, J, L, N, P... (A, B, C, D, E...)	FE (III) ION	non-polymer		55.8	6	Chemie (FE)
4	S, T, U, V, W... (A, B, C, D, E...)	water	water		18.0	473	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 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	12
	Total formula weight	1538.6
All*	Total formula weight	117870.8

*Water molecules are not included.