ID A0A1R2CHQ3_9CILI Unreviewed; 239 AA.
AC A0A1R2CHQ3;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 22-FEB-2023, entry version 20.
DE RecName: Full=Superoxide dismutase {ECO:0000256|RuleBase:RU000414};
DE EC=1.15.1.1 {ECO:0000256|RuleBase:RU000414};
GN ORFNames=SteCoe_9564 {ECO:0000313|EMBL:OMJ88523.1};
OS Stentor coeruleus.
OC Eukaryota; Sar; Alveolata; Ciliophora; Postciliodesmatophora;
OC Heterotrichea; Heterotrichida; Stentoridae; Stentor.
OX NCBI_TaxID=5963 {ECO:0000313|EMBL:OMJ88523.1, ECO:0000313|Proteomes:UP000187209};
RN [1] {ECO:0000313|EMBL:OMJ88523.1, ECO:0000313|Proteomes:UP000187209}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WM001 {ECO:0000313|EMBL:OMJ88523.1};
RA Slabodnick M., Ruby J.G., Reiff S.B., Swart E.C., Gosai S., Prabakaran S.,
RA Witkowska E., Larue G.E., Fisher S., Freeman R.M., Gunawardena J., Chu W.,
RA Stover N.A., Gregory B.D., Nowacki M., Derisi J., Roy S.W., Marshall W.F.,
RA Sood P.;
RT "The macronuclear genome of Stentor coeruleus: a giant cell with tiny
RT introns.";
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Destroys radicals which are normally produced within the
CC cells and which are toxic to biological systems.
CC {ECO:0000256|RuleBase:RU000414}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 H(+) + 2 superoxide = H2O2 + O2; Xref=Rhea:RHEA:20696,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:16240,
CC ChEBI:CHEBI:18421; EC=1.15.1.1;
CC Evidence={ECO:0000256|RuleBase:RU000414};
CC -!- COFACTOR:
CC Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC Evidence={ECO:0000256|ARBA:ARBA00001962};
CC -!- SIMILARITY: Belongs to the iron/manganese superoxide dismutase family.
CC {ECO:0000256|ARBA:ARBA00008714, ECO:0000256|RuleBase:RU000414}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OMJ88523.1}.
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DR EMBL; MPUH01000149; OMJ88523.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1R2CHQ3; -.
DR OrthoDB; 4839at2759; -.
DR Proteomes; UP000187209; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004784; F:superoxide dismutase activity; IEA:UniProtKB-EC.
DR Gene3D; 1.10.287.990; Fe,Mn superoxide dismutase (SOD) domain; 1.
DR Gene3D; 3.55.40.20; Iron/manganese superoxide dismutase, C-terminal domain; 1.
DR InterPro; IPR001189; Mn/Fe_SOD.
DR InterPro; IPR019833; Mn/Fe_SOD_BS.
DR InterPro; IPR019832; Mn/Fe_SOD_C.
DR InterPro; IPR019831; Mn/Fe_SOD_N.
DR InterPro; IPR036324; Mn/Fe_SOD_N_sf.
DR InterPro; IPR036314; SOD_C_sf.
DR PANTHER; PTHR43595; 37S RIBOSOMAL PROTEIN S26, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43595:SF2; 37S RIBOSOMAL PROTEIN S26, MITOCHONDRIAL; 1.
DR Pfam; PF02777; Sod_Fe_C; 1.
DR Pfam; PF00081; Sod_Fe_N; 1.
DR PIRSF; PIRSF000349; SODismutase; 1.
DR PRINTS; PR01703; MNSODISMTASE.
DR SUPFAM; SSF54719; Fe,Mn superoxide dismutase (SOD), C-terminal domain; 1.
DR SUPFAM; SSF46609; Fe,Mn superoxide dismutase (SOD), N-terminal domain; 1.
DR PROSITE; PS00088; SOD_MN; 1.
PE 3: Inferred from homology;
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000349-1};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000414};
KW Reference proteome {ECO:0000313|Proteomes:UP000187209};
KW Signal {ECO:0000256|SAM:SignalP}.
FT SIGNAL 1..15
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 16..239
FT /note="Superoxide dismutase"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5012932614"
FT DOMAIN 30..111
FT /note="Manganese/iron superoxide dismutase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00081"
FT DOMAIN 121..224
FT /note="Manganese/iron superoxide dismutase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02777"
FT BINDING 54
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000349-1"
FT BINDING 104
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000349-1"
FT BINDING 193
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000349-1"
FT BINDING 197
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000349-1"
SQ SEQUENCE 239 AA; 28420 MW; AAE588A856C2A0C2 CRC64;
MWAFLLLTVT YSLDCRQKSS FRIENSIYPF VLNPLPYPED FLSTTLSSRM VQIHHDNHQN
TYLKKLNTYV SKTPRYNDTK LYDLCEGIYG DSNLNKYAGG LYNHYMYWWI LTKSSCTIPM
PTGKLLTEIE DKWGTYGKFV ADFNFISSKV FGNGWVWLCV NKNKEIEIRT TEFQKNPLME
ISSNVCYPFL GIDLWEHAYY LKYTYDRDSY ISDFWDIIDW AMVEYFYEVF ARKNKAVPL
//