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Protein

Ferritin, middle subunit

Gene
N/A
Organism
Lithobates catesbeiana (American bullfrog) (Rana catesbeiana)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Has ferroxidase activity. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation.

Miscellaneous

There are three types of ferritin subunits in amphibia: L, M and H chains. M and H chains are fast mineralizing; the L chain is very slow mineralizing.

Catalytic activityi

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

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi24Iron 11
Metal bindingi59Iron 11
Metal bindingi59Iron 21
Metal bindingi62Iron 11
Metal bindingi104Iron 21
Metal bindingi138Iron 21
Metal bindingi141Iron 21

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase
Biological processIron storage
LigandIron, Metal-binding

Enzyme and pathway databases

SABIO-RKiP07798

Names & Taxonomyi

Protein namesi
Recommended name:
Ferritin, middle subunit (EC:1.16.3.1)
Short name:
Ferritin M
Alternative name(s):
Ferritin H'
Ferritin X
OrganismiLithobates catesbeiana (American bullfrog) (Rana catesbeiana)
Taxonomic identifieri8400 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraNeobatrachiaRanoideaRanidaeRanaAquarana

Subcellular locationi

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedBy similarity
ChainiPRO_00002010732 – 176Ferritin, middle subunitAdd BLAST175

Interactioni

Subunit structurei

Oligomer of 24 subunits. The functional molecule is roughly spherical and contains a central cavity into which the polymeric mineral iron core is deposited.

Structurei

Secondary structure

1176
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi11 – 38Combined sources28
Turni41 – 43Combined sources3
Helixi46 – 73Combined sources28
Helixi93 – 120Combined sources28
Helixi124 – 133Combined sources10
Helixi135 – 154Combined sources20
Turni155 – 159Combined sources5
Helixi161 – 170Combined sources10

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1MFRX-ray2.80A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X1-176[»]
3KA3X-ray1.40A1-176[»]
3KA4X-ray1.40A1-176[»]
3KA6X-ray1.40A1-176[»]
3KA8X-ray1.35A1-176[»]
3KA9X-ray1.45A1-176[»]
3RBCX-ray2.70A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X1-176[»]
3RE7X-ray2.82A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X1-176[»]
3RGDX-ray2.89A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X1-176[»]
3SE1X-ray1.65A1-176[»]
3SH6X-ray1.40A1-176[»]
3SHXX-ray1.35A1-176[»]
4DASX-ray2.56A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X1-176[»]
4LPJX-ray1.27A1-176[»]
4LPMX-ray1.65A2-175[»]
4LPNX-ray1.66A1-176[»]
4LQHX-ray1.16A1-176[»]
4LQJX-ray1.20A1-176[»]
4LQNX-ray1.59A1-176[»]
4LQVX-ray1.54A1-176[»]
4LYUX-ray1.75A1-176[»]
4LYXX-ray1.23A1-176[»]
4MJYX-ray1.40A1-176[»]
4MKUX-ray1.30A1-176[»]
4ML5X-ray1.22A1-176[»]
4MN9X-ray1.15A1-176[»]
4MY7X-ray1.48A1-176[»]
4P18X-ray1.91A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X1-176[»]
5J8SX-ray1.50A1-176[»]
5J8WX-ray1.11A1-176[»]
5J93X-ray1.10A1-176[»]
5J9VX-ray1.16A1-176[»]
5JACX-ray1.18A1-176[»]
5XHIX-ray1.26A2-175[»]
5XHMX-ray1.70A2-175[»]
5XHNX-ray1.63A2-175[»]
5XHOX-ray1.73A2-175[»]
ProteinModelPortaliP07798
SMRiP07798
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP07798

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini7 – 156Ferritin-like diironPROSITE-ProRule annotationAdd BLAST150

Sequence similaritiesi

Belongs to the ferritin family.Curated

Phylogenomic databases

HOVERGENiHBG000410

Family and domain databases

Gene3Di1.20.1260.10, 1 hit
InterProiView protein in InterPro
IPR001519 Ferritin
IPR012347 Ferritin-like
IPR009040 Ferritin-like_diiron
IPR009078 Ferritin-like_SF
IPR014034 Ferritin_CS
IPR008331 Ferritin_DPS_dom
PANTHERiPTHR11431 PTHR11431, 1 hit
PfamiView protein in Pfam
PF00210 Ferritin, 1 hit
SUPFAMiSSF47240 SSF47240, 1 hit
PROSITEiView protein in PROSITE
PS00540 FERRITIN_1, 1 hit
PS00204 FERRITIN_2, 1 hit
PS50905 FERRITIN_LIKE, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P07798-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MVSQVRQNYH SDCEAAVNRM LNLELYASYT YSSMYAFFDR DDVALHNVAE
60 70 80 90 100
FFKEHSHEER EHAEKFMKYQ NKRGGRVVLQ DIKKPERDEW GNTLEAMQAA
110 120 130 140 150
LQLEKTVNQA LLDLHKLATD KVDPHLCDFL ESEYLEEQVK DIKRIGDFIT
160 170
NLKRLGLPEN GMGEYLFDKH SVKESS
Length:176
Mass (Da):20,592
Last modified:January 23, 2007 - v3
Checksum:iA9F0F5BEB8584D46
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
J02724 mRNA Translation: AAA49525.1
PIRiC27805

Similar proteinsi

Entry informationi

Entry nameiFRI2_LITCT
AccessioniPrimary (citable) accession number: P07798
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 1, 1988
Last sequence update: January 23, 2007
Last modified: November 22, 2017
This is version 107 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

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