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3E1N

Crystal structure of E. coli Bacterioferritin (BFR) after a 65 minute (aerobic) exposure to FE(II) revealing a possible MU-OXO bridge/MU-Hydroxy bridged DIIRON intermediate at the ferroxidase centre. (FE(III)-O-FE(III)-BFR).

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E...
(A, B, C, D, E...)
BACTERIOFERRITINpolymer15818518.012UniProt (P0ABD3)
Pfam (PF00210)
ESCHERICHIA COLIBFR, CYTOCHROME B-1, CYTOCHROME B-557
2AB, BA, FB, GA, JB...
(I, D, J, E, K...)
SULFATE IONnon-polymer96.116Chemie (SO4)
3BB, CA, CB, DA, GB...
(I, D, J, E, K...)
FE (II) IONnon-polymer55.824Chemie (FE2)
4AA, DB, FA, IB, JA...
(C, I, D, J, E...)
UNKNOWN LIGANDnon-polymer103.112Chemie (UNL)
5EA, EB, OA, QB, R...
(D, I, F, L, A...)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.56Chemie (HEM)
6AC, BC, CC, DC, SB...
(I, J, K, L, A...)
waterwater18.0246Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains12
Total formula weight222216.2
Non-Polymers*Number of molecules58
Total formula weight7813.6
All*Total formula weight230029.8
*Water molecules are not included.

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PDB entries from 2025-07-23

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