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PIMT_SHIFL
ID   PIMT_SHIFL              Reviewed;         208 AA.
AC   Q83JY3;
DT   11-JUL-2003, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 109.
DE   RecName: Full=Protein-L-isoaspartate O-methyltransferase;
DE            EC=2.1.1.77;
DE   AltName: Full=L-isoaspartyl protein carboxyl methyltransferase;
DE   AltName: Full=Protein L-isoaspartyl methyltransferase;
DE   AltName: Full=Protein-beta-aspartate methyltransferase;
DE            Short=PIMT;
GN   Name=pcm; OrderedLocusNames=SF2766, S2959;
OS   Shigella flexneri.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=301 / Serotype 2a;
RX   PubMed=12384590; DOI=10.1093/nar/gkf566;
RA   Jin Q., Yuan Z., Xu J., Wang Y., Shen Y., Lu W., Wang J., Liu H., Yang J.,
RA   Yang F., Zhang X., Zhang J., Yang G., Wu H., Qu D., Dong J., Sun L.,
RA   Xue Y., Zhao A., Gao Y., Zhu J., Kan B., Ding K., Chen S., Cheng H.,
RA   Yao Z., He B., Chen R., Ma D., Qiang B., Wen Y., Hou Y., Yu J.;
RT   "Genome sequence of Shigella flexneri 2a: insights into pathogenicity
RT   through comparison with genomes of Escherichia coli K12 and O157.";
RL   Nucleic Acids Res. 30:4432-4441(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700930 / 2457T / Serotype 2a;
RX   PubMed=12704152; DOI=10.1128/iai.71.5.2775-2786.2003;
RA   Wei J., Goldberg M.B., Burland V., Venkatesan M.M., Deng W., Fournier G.,
RA   Mayhew G.F., Plunkett G. III, Rose D.J., Darling A., Mau B., Perna N.T.,
RA   Payne S.M., Runyen-Janecky L.J., Zhou S., Schwartz D.C., Blattner F.R.;
RT   "Complete genome sequence and comparative genomics of Shigella flexneri
RT   serotype 2a strain 2457T.";
RL   Infect. Immun. 71:2775-2786(2003).
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 (By similarity).
CC       {ECO:0000250}.
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;
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. L-
CC       isoaspartyl/D-aspartyl protein methyltransferase family. {ECO:0000305}.
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DR   EMBL; AE005674; AAN44255.1; -; Genomic_DNA.
DR   EMBL; AE014073; AAP18081.1; -; Genomic_DNA.
DR   RefSeq; NP_708548.1; NC_004337.2.
DR   AlphaFoldDB; Q83JY3; -.
DR   SMR; Q83JY3; -.
DR   STRING; 198214.SF2766; -.
DR   EnsemblBacteria; AAN44255; AAN44255; SF2766.
DR   EnsemblBacteria; AAP18081; AAP18081; S2959.
DR   GeneID; 1025767; -.
DR   KEGG; sfl:SF2766; -.
DR   KEGG; sfx:S2959; -.
DR   PATRIC; fig|198214.7.peg.3293; -.
DR   HOGENOM; CLU_055432_2_0_6; -.
DR   Proteomes; UP000001006; Chromosome.
DR   Proteomes; UP000002673; 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; Reference proteome; S-adenosyl-L-methionine;
KW   Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..208
FT                   /note="Protein-L-isoaspartate O-methyltransferase"
FT                   /id="PRO_0000111904"
FT   ACT_SITE        59
FT                   /evidence="ECO:0000250"
FT   CONFLICT        82
FT                   /note="T -> I (in Ref. 2; AAP18081)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   208 AA;  23246 MW;  AE51795664D7ADE8 CRC64;
     MVSRRVQALL DQLRAQGIQD EQVLNALAAV PREKFVDEAF EQKAWDNIAL PIGQGQTISQ
     PYMVARMTEL LELTPQSRVL ETGTGSGYQT AILAHLVQHV CSVERIKGLQ WQARRRLKNL
     DLHNVSTRHG DGWQGWQARA PFDAIIVTAA PPEIPTALMT QLDEGGILVL PVGEEHQYLK
     RVRRRGGEFI IDTVEAVRFV PLVKGELA
 
 
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