ID   PQQA_PSESM              Reviewed;          24 AA.
AC   Q88A80;
DT   16-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 75.
DE   RecName: Full=Coenzyme PQQ synthesis protein A;
DE   AltName: Full=Pyrroloquinoline quinone biosynthesis protein A;
GN   Name=pqqA; OrderedLocusNames=PSPTO_0513;
OS   Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=223283;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-871 / DC3000;
RX   PubMed=12928499; DOI=10.1073/pnas.1731982100;
RA   Buell C.R., Joardar V., Lindeberg M., Selengut J., Paulsen I.T.,
RA   Gwinn M.L., Dodson R.J., DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R.,
RA   Daugherty S.C., Brinkac L.M., Beanan M.J., Haft D.H., Nelson W.C.,
RA   Davidsen T.M., Zafar N., Zhou L., Liu J., Yuan Q., Khouri H.M.,
RA   Fedorova N.B., Tran B., Russell D., Berry K.J., Utterback T.R.,
RA   Van Aken S.E., Feldblyum T.V., D'Ascenzo M., Deng W.-L., Ramos A.R.,
RA   Alfano J.R., Cartinhour S., Chatterjee A.K., Delaney T.P., Lazarowitz S.G.,
RA   Martin G.B., Schneider D.J., Tang X., Bender C.L., White O., Fraser C.M.,
RA   Collmer A.;
RT   "The complete genome sequence of the Arabidopsis and tomato pathogen
RT   Pseudomonas syringae pv. tomato DC3000.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10181-10186(2003).
CC   -!- FUNCTION: Required for coenzyme pyrroloquinoline quinone (PQQ)
CC       biosynthesis. PQQ is probably formed by cross-linking a specific
CC       glutamate to a specific tyrosine residue and excising these residues
CC       from the peptide (By similarity). {ECO:0000250}.
CC   -!- PATHWAY: Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis.
CC   -!- SIMILARITY: Belongs to the PqqA family. {ECO:0000305}.
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DR   EMBL; AE016853; AAO54056.1; -; Genomic_DNA.
DR   RefSeq; NP_790361.1; NC_004578.1.
DR   RefSeq; WP_003422658.1; NC_004578.1.
DR   AlphaFoldDB; Q88A80; -.
DR   STRING; 223283.PSPTO_0513; -.
DR   EnsemblBacteria; AAO54056; AAO54056; PSPTO_0513.
DR   GeneID; 61872239; -.
DR   GeneID; 64463523; -.
DR   GeneID; 65077326; -.
DR   KEGG; pst:PSPTO_0513; -.
DR   eggNOG; ENOG5031JH1; Bacteria.
DR   HOGENOM; CLU_219131_0_0_6; -.
DR   PhylomeDB; Q88A80; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000002515; Chromosome.
DR   GO; GO:0018189; P:pyrroloquinoline quinone biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00656; PQQ_syn_PqqA; 1.
DR   InterPro; IPR011725; PQQ_synth_PqqA.
DR   Pfam; PF08042; PqqA; 1.
DR   TIGRFAMs; TIGR02107; PQQ_syn_pqqA; 1.
PE   3: Inferred from homology;
KW   PQQ biosynthesis; Reference proteome.
FT   CHAIN           1..24
FT                   /note="Coenzyme PQQ synthesis protein A"
FT                   /id="PRO_0000220316"
FT   CROSSLNK        16..20
FT                   /note="Pyrroloquinoline quinone (Glu-Tyr)"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   24 AA;  2871 MW;  9A13A879B7EA6B8E CRC64;
     MSWTKPAYTD LRIGFEVTMY FASR