ID   PQQC_PSEPW              Reviewed;         251 AA.
AC   B1JDZ8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Pyrroloquinoline-quinone synthase {ECO:0000255|HAMAP-Rule:MF_00654};
DE            EC=1.3.3.11 {ECO:0000255|HAMAP-Rule:MF_00654};
DE   AltName: Full=Coenzyme PQQ synthesis protein C {ECO:0000255|HAMAP-Rule:MF_00654};
DE   AltName: Full=Pyrroloquinoline quinone biosynthesis protein C {ECO:0000255|HAMAP-Rule:MF_00654};
GN   Name=pqqC {ECO:0000255|HAMAP-Rule:MF_00654};
GN   OrderedLocusNames=PputW619_4825;
OS   Pseudomonas putida (strain W619).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=390235;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=W619;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Dalin E., Tice H., Pitluck S., Chain P., Malfatti S.,
RA   Shin M., Vergez L., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Kim E., Taghavi S., Vangronsveld D., van der Lelie D.,
RA   Richardson P.;
RT   "Complete sequence of Pseudomonas putida W619.";
RL   Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Ring cyclization and eight-electron oxidation of 3a-(2-amino-
CC       2-carboxyethyl)-4,5-dioxo-4,5,6,7,8,9-hexahydroquinoline-7,9-
CC       dicarboxylic-acid to PQQ. {ECO:0000255|HAMAP-Rule:MF_00654}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-
CC         hexahydroquinoline-2,4-dicarboxylate + 3 O2 = H(+) + 2 H2O + 2 H2O2 +
CC         pyrroloquinoline quinone; Xref=Rhea:RHEA:10692, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:16240,
CC         ChEBI:CHEBI:58442, ChEBI:CHEBI:58778; EC=1.3.3.11;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00654};
CC   -!- PATHWAY: Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00654}.
CC   -!- SIMILARITY: Belongs to the PqqC family. {ECO:0000255|HAMAP-
CC       Rule:MF_00654}.
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DR   EMBL; CP000949; ACA75301.1; -; Genomic_DNA.
DR   RefSeq; WP_012316583.1; NC_010501.1.
DR   AlphaFoldDB; B1JDZ8; -.
DR   SMR; B1JDZ8; -.
DR   STRING; 390235.PputW619_4825; -.
DR   EnsemblBacteria; ACA75301; ACA75301; PputW619_4825.
DR   KEGG; ppw:PputW619_4825; -.
DR   eggNOG; COG5424; Bacteria.
DR   HOGENOM; CLU_080136_0_0_6; -.
DR   OMA; YYQISIP; -.
DR   OrthoDB; 1571811at2; -.
DR   UniPathway; UPA00539; -.
DR   GO; GO:0033732; F:pyrroloquinoline-quinone synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006725; P:cellular aromatic compound metabolic process; IEA:UniProt.
DR   GO; GO:0018189; P:pyrroloquinoline quinone biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.20.910.10; -; 1.
DR   HAMAP; MF_00654; PQQ_syn_PqqC; 1.
DR   InterPro; IPR016084; Haem_Oase-like_multi-hlx.
DR   InterPro; IPR011845; PqqC.
DR   InterPro; IPR039068; PqqC-like.
DR   InterPro; IPR004305; Thiaminase-2/PQQC.
DR   PANTHER; PTHR40279; PTHR40279; 1.
DR   Pfam; PF03070; TENA_THI-4; 1.
DR   SUPFAM; SSF48613; SSF48613; 1.
DR   TIGRFAMs; TIGR02111; PQQ_syn_pqqC; 1.
PE   3: Inferred from homology;
KW   Oxidoreductase; PQQ biosynthesis.
FT   CHAIN           1..251
FT                   /note="Pyrroloquinoline-quinone synthase"
FT                   /id="PRO_1000131179"
SQ   SEQUENCE   251 AA;  29122 MW;  7934B6515C6E88BD CRC64;
     MSEALPLSPA EFEQALRAKG AYYHIHHPYH VAMYEGRATR EQIQGWVANR FYYQVNIPMK
     DAAILANCPD REVRREWIQR LLDHDGAPGE DGGIEAWLRL GQAVGLDPDQ LRSQELVLPG
     VRFAVDAYVN FARRASWQEA ASSSLTELFA PQIHQSRLDS WPQHYPWIDP AGYEYFRTRL
     GQARRDVEHG LTITLQHYTT RAAQERMLEI LQFKLDILWS MLDAMSMAYE LHRPPYHTVT
     QQRVWHKGIA L