PIMT_SALPK
ID PIMT_SALPK Reviewed; 208 AA.
AC B5BEY0;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 23-SEP-2008, sequence version 1.
DT 03-AUG-2022, entry version 64.
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}; OrderedLocusNames=SSPA2594;
OS Salmonella paratyphi A (strain AKU_12601).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Salmonella.
OX NCBI_TaxID=554290;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AKU_12601;
RX PubMed=19159446; DOI=10.1186/1471-2164-10-36;
RA Holt K.E., Thomson N.R., Wain J., Langridge G.C., Hasan R., Bhutta Z.A.,
RA Quail M.A., Norbertczak H., Walker D., Simmonds M., White B., Bason N.,
RA Mungall K., Dougan G., Parkhill J.;
RT "Pseudogene accumulation in the evolutionary histories of Salmonella
RT enterica serovars Paratyphi A and Typhi.";
RL BMC Genomics 10:36-36(2009).
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; FM200053; CAR60832.1; -; Genomic_DNA.
DR RefSeq; WP_000253542.1; NC_011147.1.
DR AlphaFoldDB; B5BEY0; -.
DR SMR; B5BEY0; -.
DR KEGG; sek:SSPA2594; -.
DR HOGENOM; CLU_055432_2_0_6; -.
DR OMA; TISAIHM; -.
DR Proteomes; UP000001869; 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..208
FT /note="Protein-L-isoaspartate O-methyltransferase"
FT /id="PRO_1000093277"
FT ACT_SITE 59
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00090"
SQ SEQUENCE 208 AA; 23177 MW; 4CD0F1B876D6065A CRC64;
MVSGRVQALL EQLRAQGIRD ELVLNALAAV PREKFIDEAF EHKAWENIAL PIGQGQTISQ
PYMVARMTEL LELTPQSRVL EIGTGSGYQT AILAHLVHHV CSVERIKGLQ WQARRRLKQL
DLHNVSTRHG DGWQGWQARA PFDAIIVTAA PPEIPTALMA QLDEGGILVL PVGDEQQFLK
RVRRRGGEFI IDTVEAVRFV PLVKGELA