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Protein

Bacterioferritin A

Gene

bfrA

Organism
Neisseria gonorrhoeae
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Iron-storage protein, whose ferroxidase center binds Fe2+ ions, oxidizes them by dioxygen to Fe3+, and participates in the subsequent Fe3+ oxide mineral core formation within the central cavity of the protein complex.By similarity

Catalytic activityi

4 Fe2+ + 4 H+ + O2 = 4 Fe3+ + 2 H2O.

Cofactori

Protein has several cofactor binding sites:
  • heme bCuratedNote: Binds 1 heme b (iron(II)-protoporphyrin IX) group per dimer.Curated
  • Fe cationBy similarityNote: Binds 2 iron ions per subunit. The catalytic dinuclear iron-binding site within each subunit is known as the ferroxidase center.By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi18 – 181Iron 1PROSITE-ProRule annotation
Metal bindingi48 – 481Iron (heme axial ligand); shared with dimeric partnerPROSITE-ProRule annotation
Metal bindingi51 – 511Iron 1PROSITE-ProRule annotation
Metal bindingi51 – 511Iron 2PROSITE-ProRule annotation
Metal bindingi54 – 541Iron 1PROSITE-ProRule annotation
Metal bindingi93 – 931Iron 2PROSITE-ProRule annotation
Metal bindingi127 – 1271Iron 1PROSITE-ProRule annotation
Metal bindingi127 – 1271Iron 2PROSITE-ProRule annotation
Metal bindingi130 – 1301Iron 2PROSITE-ProRule annotation

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Iron storage

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Bacterioferritin A (EC:1.16.3.1)
Short name:
BFR A
Gene namesi
Name:bfrA
OrganismiNeisseria gonorrhoeae
Taxonomic identifieri485 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaNeisserialesNeisseriaceaeNeisseria

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 154154Bacterioferritin APRO_0000192605Add
BLAST

Proteomic databases

PRIDEiP0A0R2.

Interactioni

Subunit structurei

Oligomer of 24 subunits, arranged as 12 dimers, that are packed together to form an approximately spherical molecule with a central cavity, in which large amounts of iron can be deposited.By similarity

Protein-protein interaction databases

STRINGi528357.NgonPI_010100007988.

Structurei

3D structure databases

ProteinModelPortaliP0A0R2.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini1 – 145145Ferritin-like diironPROSITE-ProRule annotationAdd
BLAST

Sequence similaritiesi

Belongs to the bacterioferritin family.Curated
Contains 1 ferritin-like diiron domain.PROSITE-ProRule annotation

Family and domain databases

Gene3Di1.20.1260.10. 1 hit.
InterProiIPR002024. Bacterioferritin.
IPR009040. Ferritin-like_diiron.
IPR009078. Ferritin-like_SF.
IPR012347. Ferritin-rel.
IPR008331. Ferritin_DPS_dom.
[Graphical view]
PfamiPF00210. Ferritin. 1 hit.
[Graphical view]
PIRSFiPIRSF002560. Bacterioferritin. 1 hit.
PRINTSiPR00601. BACFERRITIN.
SUPFAMiSSF47240. SSF47240. 1 hit.
TIGRFAMsiTIGR00754. bfr. 1 hit.
PROSITEiPS00549. BACTERIOFERRITIN. 1 hit.
PS50905. FERRITIN_LIKE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P0A0R2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MQGNQAVVDY MNELLSGELA ARDQYFIHSR LYSEWGYTKL FERLNHEMEE
60 70 80 90 100
ETTHAEDFIR RILMLGGTPK MARAELNIGT DVVSCLKADL QTEYEVRDAL
110 120 130 140 150
KKGIKLCEEA QDYVTRDLMV AQLKDTEEDH AHWLEQQLRL IELIGEGNYY

QSQL
Length:154
Mass (Da):17,961
Last modified:February 15, 2005 - v1
Checksum:i15136D10DDA4346A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U76633 Genomic DNA. Translation: AAB18968.1.
RefSeqiWP_002217177.1. NZ_JPOZ01000001.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U76633 Genomic DNA. Translation: AAB18968.1.
RefSeqiWP_002217177.1. NZ_JPOZ01000001.1.

3D structure databases

ProteinModelPortaliP0A0R2.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi528357.NgonPI_010100007988.

Proteomic databases

PRIDEiP0A0R2.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

Gene3Di1.20.1260.10. 1 hit.
InterProiIPR002024. Bacterioferritin.
IPR009040. Ferritin-like_diiron.
IPR009078. Ferritin-like_SF.
IPR012347. Ferritin-rel.
IPR008331. Ferritin_DPS_dom.
[Graphical view]
PfamiPF00210. Ferritin. 1 hit.
[Graphical view]
PIRSFiPIRSF002560. Bacterioferritin. 1 hit.
PRINTSiPR00601. BACFERRITIN.
SUPFAMiSSF47240. SSF47240. 1 hit.
TIGRFAMsiTIGR00754. bfr. 1 hit.
PROSITEiPS00549. BACTERIOFERRITIN. 1 hit.
PS50905. FERRITIN_LIKE. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. Chen C.Y.
    Submitted (NOV-1996) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: ATCC 33084 / F62 / M-1914.

Entry informationi

Entry nameiBFRA_NEIGO
AccessioniPrimary (citable) accession number: P0A0R2
Secondary accession number(s): P72080
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 15, 2005
Last sequence update: February 15, 2005
Last modified: July 22, 2015
This is version 44 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.