UniProt functional annotation for Q9ZLI1

UniProt code: Q9ZLI1.

Organism: Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
Taxonomy: Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales; Helicobacteraceae; Helicobacter.
 
Function: Iron-storage protein. {ECO:0000250}.
 
Catalytic activity: Reaction=4 Fe(2+) + 6 H2O + O2 = 12 H(+) + 4 iron(III) oxide-hydroxide; Xref=Rhea:RHEA:11972, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:29033, ChEBI:CHEBI:78619; EC=1.16.3.2;
Subunit: Homooligomer of 24 subunits that assemble into a spherical protein shell (12 +/- 1 nM diameter) that can sequester at least 2000 iron atoms. {ECO:0000250}.
Subcellular location: Cytoplasm {ECO:0000250}.
Similarity: Belongs to the ferritin family. Prokaryotic subfamily. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.