ID H8GM20_METAL Unreviewed; 155 AA.
AC H8GM20;
DT 16-MAY-2012, integrated into UniProtKB/TrEMBL.
DT 16-MAY-2012, sequence version 1.
DT 24-JAN-2024, entry version 57.
DE RecName: Full=Bacterioferritin {ECO:0000256|ARBA:ARBA00019061, ECO:0000256|PIRNR:PIRNR002560};
DE EC=1.16.3.1 {ECO:0000256|PIRNR:PIRNR002560};
GN ORFNames=Metal_0359 {ECO:0000313|EMBL:EIC28216.1};
OS Methylomicrobium album BG8.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Methylococcales;
OC Methylococcaceae; Methylomicrobium.
OX NCBI_TaxID=686340 {ECO:0000313|EMBL:EIC28216.1, ECO:0000313|Proteomes:UP000005090};
RN [1] {ECO:0000313|EMBL:EIC28216.1, ECO:0000313|Proteomes:UP000005090}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BG8 {ECO:0000313|EMBL:EIC28216.1,
RC ECO:0000313|Proteomes:UP000005090};
RX PubMed=23580712;
RA Kits K.D., Kalyuzhnaya M.G., Klotz M.G., Jetten M.S., Op den Camp H.J.,
RA Vuilleumier S., Bringel F., Dispirito A.A., Murrell J.C., Bruce D.,
RA Cheng J.F., Copeland A., Goodwin L., Hauser L., Lajus A., Land M.L.,
RA Lapidus A., Lucas S., Medigue C., Pitluck S., Woyke T., Zeytun A.,
RA Stein L.Y.;
RT "Genome Sequence of the Obligate Gammaproteobacterial Methanotroph
RT Methylomicrobium album Strain BG8.";
RL Genome Announc. 1:E0017013-E0017013(2013).
CC -!- FUNCTION: Iron-storage protein, whose ferroxidase center binds Fe(2+)
CC ions, oxidizes them by dioxygen to Fe(3+), and participates in the
CC subsequent Fe(3+) oxide mineral core formation within the central
CC cavity of the protein complex. {ECO:0000256|ARBA:ARBA00037326,
CC ECO:0000256|PIRNR:PIRNR002560}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4 Fe(2+) + 4 H(+) + O2 = 4 Fe(3+) + 2 H2O;
CC Xref=Rhea:RHEA:11148, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15379, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034; EC=1.16.3.1;
CC Evidence={ECO:0000256|PIRNR:PIRNR002560};
CC -!- COFACTOR:
CC Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC Evidence={ECO:0000256|ARBA:ARBA00001962};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- SIMILARITY: Belongs to the bacterioferritin family.
CC {ECO:0000256|ARBA:ARBA00008093, ECO:0000256|PIRNR:PIRNR002560,
CC ECO:0000256|RuleBase:RU000623}.
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DR EMBL; CM001475; EIC28216.1; -; Genomic_DNA.
DR RefSeq; WP_005369030.1; NZ_CM001475.1.
DR AlphaFoldDB; H8GM20; -.
DR STRING; 686340.Metal_0359; -.
DR eggNOG; COG2193; Bacteria.
DR HOGENOM; CLU_104506_2_0_6; -.
DR Proteomes; UP000005090; Chromosome.
DR GO; GO:0008199; F:ferric iron binding; IEA:InterPro.
DR GO; GO:0004322; F:ferroxidase activity; IEA:UniProtKB-EC.
DR GO; GO:0006879; P:intracellular iron ion homeostasis; IEA:UniProtKB-KW.
DR GO; GO:0006826; P:iron ion transport; IEA:InterPro.
DR CDD; cd00907; Bacterioferritin; 1.
DR Gene3D; 1.20.1260.10; -; 1.
DR InterPro; IPR002024; Bacterioferritin.
DR InterPro; IPR012347; Ferritin-like.
DR InterPro; IPR009040; Ferritin-like_diiron.
DR InterPro; IPR009078; Ferritin-like_SF.
DR InterPro; IPR008331; Ferritin_DPS_dom.
DR NCBIfam; TIGR00754; bfr; 1.
DR PANTHER; PTHR30295; BACTERIOFERRITIN; 1.
DR PANTHER; PTHR30295:SF9; BACTERIOFERRITIN; 1.
DR Pfam; PF00210; Ferritin; 1.
DR PIRSF; PIRSF002560; Bacterioferritin; 1.
DR PRINTS; PR00601; BACFERRITIN.
DR SUPFAM; SSF47240; Ferritin-like; 1.
DR PROSITE; PS00549; BACTERIOFERRITIN; 1.
DR PROSITE; PS50905; FERRITIN_LIKE; 1.
PE 3: Inferred from homology;
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRNR:PIRNR002560};
KW Iron {ECO:0000256|PIRNR:PIRNR002560, ECO:0000256|PIRSR:PIRSR002560-1};
KW Iron storage {ECO:0000256|PIRNR:PIRNR002560,
KW ECO:0000256|RuleBase:RU000623};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR002560,
KW ECO:0000256|PIRSR:PIRSR002560-1};
KW Reference proteome {ECO:0000313|Proteomes:UP000005090}.
FT DOMAIN 1..146
FT /note="Ferritin-like diiron"
FT /evidence="ECO:0000259|PROSITE:PS50905"
FT BINDING 18
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 46
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 50
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 51
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 51
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 54
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 94
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 128
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 128
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
FT BINDING 131
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR002560-1"
SQ SEQUENCE 155 AA; 17872 MW; 21B548301FB6A127 CRC64;
MQGNQQVIEY LNQLLTGELT AADQYLIHSR MYQNWGFEKL YERIAHEVQD ELGHADALIK
RILFLEGTPD VAKRNPLNVG NSVPEMLKND LALELSVVAA LREAIAVCEQ QRDYQTREIL
RVMLEDTEDD HTHWLEKQLG LIGRIGLENY LQSQL
//