SODM_PONPY
ID SODM_PONPY Reviewed; 222 AA.
AC Q8HXP6; Q5R445;
DT 21-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT 16-AUG-2005, sequence version 3.
DT 03-AUG-2022, entry version 92.
DE RecName: Full=Superoxide dismutase [Mn], mitochondrial;
DE EC=1.15.1.1;
DE Flags: Precursor;
GN Name=SOD2;
OS Pongo pygmaeus (Bornean orangutan).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC Pongo.
OX NCBI_TaxID=9600;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC TISSUE=Brain cortex;
RG The German cDNA consortium;
RL Submitted (NOV-2004) to the EMBL/GenBank/DDBJ databases.
RN [2]
RP NUCLEOTIDE SEQUENCE [MRNA] OF 25-222.
RX PubMed=12383507; DOI=10.1016/s0378-1119(02)00837-5;
RA Fukuhara R., Tezuka T., Kageyama T.;
RT "Structure, molecular evolution, and gene expression of primate superoxide
RT dismutases.";
RL Gene 296:99-109(2002).
CC -!- FUNCTION: Destroys superoxide anion radicals which are normally
CC produced within the cells and which are toxic to biological systems.
CC {ECO:0000250|UniProtKB:P07895}.
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 -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000250|UniProtKB:P04179};
CC Note=Binds 1 Mn(2+) ion per subunit. {ECO:0000250|UniProtKB:P04179};
CC -!- SUBUNIT: Homotetramer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion matrix {ECO:0000250}.
CC -!- PTM: Nitrated under oxidative stress. Nitration coupled with oxidation
CC inhibits the catalytic activity. {ECO:0000250|UniProtKB:P07895}.
CC -!- PTM: Acetylation at Lys-122 decreases enzymatic activity. Deacetylated
CC by SIRT3 upon exposure to ionizing radiations or after long fasting (By
CC similarity). {ECO:0000250|UniProtKB:P04179}.
CC -!- PTM: Polyubiquitinated; leading to proteasomal degradation.
CC Deubiquitinated by USP36 which increases protein stability.
CC {ECO:0000250|UniProtKB:P04179}.
CC -!- SIMILARITY: Belongs to the iron/manganese superoxide dismutase family.
CC {ECO:0000305}.
CC -!- SEQUENCE CAUTION:
CC Sequence=BAC20354.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR EMBL; CR861415; CAH93471.1; -; mRNA.
DR EMBL; AB087275; BAC20354.1; ALT_INIT; mRNA.
DR AlphaFoldDB; Q8HXP6; -.
DR SMR; Q8HXP6; -.
DR GO; GO:0005759; C:mitochondrial matrix; IEA:UniProtKB-SubCell.
DR GO; GO:0030145; F:manganese ion binding; ISS:UniProtKB.
DR GO; GO:0004784; F:superoxide dismutase activity; ISS:UniProtKB.
DR GO; GO:0001315; P:age-dependent response to reactive oxygen species; ISS:UniProtKB.
DR GO; GO:0006357; P:regulation of transcription by RNA polymerase II; ISS:UniProtKB.
DR GO; GO:0006801; P:superoxide metabolic process; ISS:UniProtKB.
DR Gene3D; 1.10.287.990; -; 1.
DR Gene3D; 3.55.40.20; -; 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 Pfam; PF02777; Sod_Fe_C; 1.
DR Pfam; PF00081; Sod_Fe_N; 1.
DR PIRSF; PIRSF000349; SODismutase; 1.
DR PRINTS; PR01703; MNSODISMTASE.
DR SUPFAM; SSF46609; SSF46609; 1.
DR SUPFAM; SSF54719; SSF54719; 1.
DR PROSITE; PS00088; SOD_MN; 1.
PE 2: Evidence at transcript level;
KW Acetylation; Manganese; Metal-binding; Mitochondrion; Nitration;
KW Oxidoreductase; Transit peptide; Ubl conjugation.
FT TRANSIT 1..24
FT /note="Mitochondrion"
FT /evidence="ECO:0000250"
FT CHAIN 25..222
FT /note="Superoxide dismutase [Mn], mitochondrial"
FT /id="PRO_0000032872"
FT BINDING 50
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000250"
FT BINDING 98
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000250"
FT BINDING 183
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000250"
FT BINDING 187
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000250"
FT MOD_RES 58
FT /note="3'-nitrotyrosine"
FT /evidence="ECO:0000250|UniProtKB:P04179"
FT MOD_RES 68
FT /note="N6-acetyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P04179"
FT MOD_RES 68
FT /note="N6-succinyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 75
FT /note="N6-acetyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 75
FT /note="N6-succinyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 114
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 122
FT /note="N6-acetyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 122
FT /note="N6-succinyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 130
FT /note="N6-acetyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P04179"
FT MOD_RES 130
FT /note="N6-succinyllysine; alternate"
FT /evidence="ECO:0000250|UniProtKB:P09671"
FT MOD_RES 202
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000250|UniProtKB:P09671"
SQ SEQUENCE 222 AA; 24708 MW; D0DDF63AD9268782 CRC64;
MLSRGVCGTS RQLAPALGYL GSRQKHSLPD LPYDYGALEP HINAQIMQLH HSKHHAAYVN
NLNVTEEKYQ EALAKGDVTA QIALQPALKF NGGGHINHSI FWTNLSPNGG GEPKGELLEA
IKRDFGSFDK FKEKLTAASV GVQGSGWGWL GFNKERGHLQ IAACPNQDPL QGTTGLIPLL
GIDVWEHAYY LQYKNVRPDY LKAIWNVINW ENVTERYMAC KK
