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PIMT_SHESW
ID   PIMT_SHESW              Reviewed;         211 AA.
AC   A1RHF9;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=Protein-L-isoaspartate O-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00090};
DE            EC=2.1.1.77 {ECO:0000255|HAMAP-Rule:MF_00090};
DE   AltName: Full=L-isoaspartyl protein carboxyl methyltransferase {ECO:0000255|HAMAP-Rule:MF_00090};
DE   AltName: Full=Protein L-isoaspartyl methyltransferase {ECO:0000255|HAMAP-Rule:MF_00090};
DE   AltName: Full=Protein-beta-aspartate methyltransferase {ECO:0000255|HAMAP-Rule:MF_00090};
DE            Short=PIMT {ECO:0000255|HAMAP-Rule:MF_00090};
GN   Name=pcm {ECO:0000255|HAMAP-Rule:MF_00090};
GN   OrderedLocusNames=Sputw3181_1261;
OS   Shewanella sp. (strain W3-18-1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=351745;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=W3-18-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Lykidis A., Tiedje J., Richardson P.;
RT   "Complete sequence of Shewanella sp. W3-18-1.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the methyl esterification of L-isoaspartyl residues
CC       in peptides and proteins that result from spontaneous decomposition of
CC       normal L-aspartyl and L-asparaginyl residues. It plays a role in the
CC       repair and/or degradation of damaged proteins. {ECO:0000255|HAMAP-
CC       Rule:MF_00090}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[protein]-L-isoaspartate + S-adenosyl-L-methionine =
CC         [protein]-L-isoaspartate alpha-methyl ester + S-adenosyl-L-
CC         homocysteine; Xref=Rhea:RHEA:12705, Rhea:RHEA-COMP:12143, Rhea:RHEA-
CC         COMP:12144, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:90596,
CC         ChEBI:CHEBI:90598; EC=2.1.1.77; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00090};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00090}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. L-
CC       isoaspartyl/D-aspartyl protein methyltransferase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00090}.
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DR   EMBL; CP000503; ABM24104.1; -; Genomic_DNA.
DR   RefSeq; WP_011788611.1; NC_008750.1.
DR   AlphaFoldDB; A1RHF9; -.
DR   SMR; A1RHF9; -.
DR   GeneID; 45043240; -.
DR   KEGG; shw:Sputw3181_1261; -.
DR   HOGENOM; CLU_055432_2_0_6; -.
DR   OMA; TISAIHM; -.
DR   Proteomes; UP000002597; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004719; F:protein-L-isoaspartate (D-aspartate) O-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030091; P:protein repair; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_00090; PIMT; 1.
DR   InterPro; IPR000682; PCMT.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   PANTHER; PTHR11579; PTHR11579; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR00080; pimt; 1.
DR   PROSITE; PS01279; PCMT; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..211
FT                   /note="Protein-L-isoaspartate O-methyltransferase"
FT                   /id="PRO_1000093292"
FT   ACT_SITE        62
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00090"
SQ   SEQUENCE   211 AA;  23149 MW;  DE0240F782FB868B CRC64;
     MTRVALTSAV NLAKKLSDAG IRNQAVLKAI SQTPREMFLD NALAHKAYEN TALPIGQGQT
     ISQPYIVARM TELLLSNMPK KVLEVGTGSG YQAAILAQLV PELCTIERIK GLQIQARQRL
     KRLDLHNVSF KYGDGWQGWS NRSPFDAIMV TAAAATVPEA LLSQLVDGGV LVLPVGENTQ
     QLMRITRHRE RFSSENIETV KFVPLVNGEL A
 
 
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