ID   PQQB_METFK              Reviewed;         305 AA.
AC   Q1H0N6;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   27-JUN-2006, sequence version 1.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=Coenzyme PQQ synthesis protein B {ECO:0000255|HAMAP-Rule:MF_00653};
DE   AltName: Full=Pyrroloquinoline quinone biosynthesis protein B {ECO:0000255|HAMAP-Rule:MF_00653};
GN   Name=pqqB {ECO:0000255|HAMAP-Rule:MF_00653}; OrderedLocusNames=Mfla_1683;
OS   Methylobacillus flagellatus (strain KT / ATCC 51484 / DSM 6875).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Methylophilaceae; Methylobacillus.
OX   NCBI_TaxID=265072;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KT / ATCC 51484 / DSM 6875;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Brettin T., Bruce D., Han C., Tapia R., Saunders E., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Kyrpides N., Anderson I., Richardson P.;
RT   "Complete sequence of Methylobacillus flagellatus KT.";
RL   Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: May be involved in the transport of PQQ or its precursor to
CC       the periplasm. {ECO:0000255|HAMAP-Rule:MF_00653}.
CC   -!- PATHWAY: Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00653}.
CC   -!- SIMILARITY: Belongs to the PqqB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00653}.
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DR   EMBL; CP000284; ABE49951.1; -; Genomic_DNA.
DR   RefSeq; WP_011479905.1; NC_007947.1.
DR   AlphaFoldDB; Q1H0N6; -.
DR   SMR; Q1H0N6; -.
DR   STRING; 265072.Mfla_1683; -.
DR   EnsemblBacteria; ABE49951; ABE49951; Mfla_1683.
DR   KEGG; mfa:Mfla_1683; -.
DR   eggNOG; COG1235; Bacteria.
DR   HOGENOM; CLU_061120_0_0_4; -.
DR   OMA; FYIPGCA; -.
DR   OrthoDB; 1712770at2; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000002440; Chromosome.
DR   GO; GO:0018189; P:pyrroloquinoline quinone biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd16274; PQQB-like_MBL-fold; 1.
DR   Gene3D; 3.60.15.10; -; 1.
DR   HAMAP; MF_00653; PQQ_syn_PqqB; 1.
DR   InterPro; IPR001279; Metallo-B-lactamas.
DR   InterPro; IPR011842; PQQ_synth_PqqB.
DR   InterPro; IPR036866; RibonucZ/Hydroxyglut_hydro.
DR   Pfam; PF12706; Lactamase_B_2; 1.
DR   SUPFAM; SSF56281; SSF56281; 1.
DR   TIGRFAMs; TIGR02108; PQQ_syn_pqqB; 1.
PE   3: Inferred from homology;
KW   PQQ biosynthesis; Reference proteome; Transport.
FT   CHAIN           1..305
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000061649"
SQ   SEQUENCE   305 AA;  33432 MW;  CBB93E324C8E011D CRC64;
     MHIHVLGSAA GGGFPQWNCN CPNCDGLRKG TIKAKKRTQS SICVSADGIN WVLFNTSPDI
     LQQIQEFAPL QPGRAIRDSG IVGIVLIDAQ IDHTTGLLML REGQVKREIY CTDMVYQDLT
     TGNPLLNILD HYCGVNRHDI PIDGKHSFSV EHAPGLRFTA VALKSAAPPY SPHRHDPHPG
     DTIGVLIEDL NNGKKAFYAP GLGEIEPHLP ALMEQADCIM VDGTFWTDTE MLDMGLMSKK
     ARDIGHNPQS GPGGMMEVLD GYPGARRVLI HINNTNPILR EDSAERVELT RRGIEVAYDG
     MDIIL