ID   PQQA_GLUDA              Reviewed;          26 AA.
AC   A9HEC6; B5ZCT4;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-FEB-2008, sequence version 1.
DT   25-MAY-2022, entry version 60.
DE   RecName: Full=Coenzyme PQQ synthesis protein A {ECO:0000255|HAMAP-Rule:MF_00656};
DE   AltName: Full=Pyrroloquinoline quinone biosynthesis protein A {ECO:0000255|HAMAP-Rule:MF_00656};
GN   Name=pqqA {ECO:0000255|HAMAP-Rule:MF_00656};
GN   OrderedLocusNames=GDI1271, Gdia_1982;
OS   Gluconacetobacter diazotrophicus (strain ATCC 49037 / DSM 5601 / CCUG 37298
OS   / CIP 103539 / LMG 7603 / PAl5).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Acetobacteraceae; Gluconacetobacter.
OX   NCBI_TaxID=272568;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49037 / DSM 5601 / CCUG 37298 / CIP 103539 / LMG 7603 / PAl5;
RX   PubMed=19775431; DOI=10.1186/1471-2164-10-450;
RA   Bertalan M., Albano R., de Padua V., Rouws L., Rojas C., Hemerly A.,
RA   Teixeira K., Schwab S., Araujo J., Oliveira A., Franca L., Magalhaes V.,
RA   Alqueres S., Cardoso A., Almeida W., Loureiro M.M., Nogueira E., Cidade D.,
RA   Oliveira D., Simao T., Macedo J., Valadao A., Dreschsel M., Freitas F.,
RA   Vidal M., Guedes H., Rodrigues E., Meneses C., Brioso P., Pozzer L.,
RA   Figueiredo D., Montano H., Junior J., de Souza Filho G.,
RA   Martin Quintana Flores V., Ferreira B., Branco A., Gonzalez P.,
RA   Guillobel H., Lemos M., Seibel L., Macedo J., Alves-Ferreira M.,
RA   Sachetto-Martins G., Coelho A., Santos E., Amaral G., Neves A.,
RA   Pacheco A.B., Carvalho D., Lery L., Bisch P., Rossle S.C., Urmenyi T.,
RA   Rael Pereira A., Silva R., Rondinelli E., von Kruger W., Martins O.,
RA   Baldani J.I., Ferreira P.C.;
RT   "Complete genome sequence of the sugarcane nitrogen-fixing endophyte
RT   Gluconacetobacter diazotrophicus Pal5.";
RL   BMC Genomics 10:450-450(2009).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49037 / DSM 5601 / CCUG 37298 / CIP 103539 / LMG 7603 / PAl5;
RX   PubMed=21304715; DOI=10.4056/sigs.972221;
RA   Giongo A., Tyler H.L., Zipperer U.N., Triplett E.W.;
RT   "Two genome sequences of the same bacterial strain, Gluconacetobacter
RT   diazotrophicus PAl 5, suggest a new standard in genome sequence
RT   submission.";
RL   Stand. Genomic Sci. 2:309-317(2010).
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. {ECO:0000255|HAMAP-Rule:MF_00656}.
CC   -!- PATHWAY: Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00656}.
CC   -!- SIMILARITY: Belongs to the PqqA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00656}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ACI51742.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; AM889285; CAP55214.1; -; Genomic_DNA.
DR   EMBL; CP001189; ACI51742.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_012224451.1; NC_011365.1.
DR   AlphaFoldDB; A9HEC6; -.
DR   STRING; 272568.GDI1271; -.
DR   EnsemblBacteria; ACI51742; ACI51742; Gdia_1982.
DR   EnsemblBacteria; CAP55214; CAP55214; GDI1271.
DR   KEGG; gdi:GDI1271; -.
DR   KEGG; gdj:Gdia_1982; -.
DR   HOGENOM; CLU_3252199_0_0_5; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000000736; Chromosome.
DR   Proteomes; UP000001176; 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..26
FT                   /note="Coenzyme PQQ synthesis protein A"
FT                   /id="PRO_1000082787"
FT   CROSSLNK        16..20
FT                   /note="Pyrroloquinoline quinone (Glu-Tyr)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00656"
SQ   SEQUENCE   26 AA;  2835 MW;  94C31462DD6B890F CRC64;
     MAWTAPKITE VPLGAEINSY VCGQKK