ID   PQQB_METC4              Reviewed;         299 AA.
AC   B7KXC8;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 63.
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=Mchl_2155;
OS   Methylorubrum extorquens (strain CM4 / NCIMB 13688) (Methylobacterium
OS   extorquens).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Methylobacteriaceae; Methylorubrum.
OX   NCBI_TaxID=440085;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CM4 / NCIMB 13688;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N.,
RA   Marx C., Richardson P.;
RT   "Complete sequence of chromosome of Methylobacterium chloromethanicum
RT   CM4.";
RL   Submitted (DEC-2008) 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; CP001298; ACK83002.1; -; Genomic_DNA.
DR   RefSeq; WP_015950693.1; NC_011757.1.
DR   AlphaFoldDB; B7KXC8; -.
DR   SMR; B7KXC8; -.
DR   EnsemblBacteria; ACK83002; ACK83002; Mchl_2155.
DR   KEGG; mch:Mchl_2155; -.
DR   HOGENOM; CLU_061120_0_0_5; -.
DR   OMA; FYIPGCA; -.
DR   BioCyc; MEXT440085:MCHL_RS10420-MON; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000002385; 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; Transport.
FT   CHAIN           1..299
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000147519"
SQ   SEQUENCE   299 AA;  31976 MW;  1A122E2F24D3F564 CRC64;
     MHVVILGSAA GGGVPQWNCR CSICSLAWAG DSRVRPRTQS SIAVSPDGER WLLLNASPDI
     RQQIQANPQM HPREGLRHSP IHAVLLTNGD VDHVAGLLTL REGQPFSLYA TPGILASVSD
     NRVFDVMAAE VVKRQTIALN ETFEPVPGLS VTLFSVPGKV PLWLEDASME IGAETETTVG
     TMIEAGGKRL AYIPGCAGVT EDLKARIAGA DALLFDGTVL EDDDMIRAGV GTKTGWRMGH
     IQMNGETGSI ASLADVEIGR RVFVHINNTN PVLIEDSSER ASVEARGWTV AHDGLTLDL