ID   PQQB_CUPNH              Reviewed;         305 AA.
AC   Q0K2D1;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 89.
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=H16_B1052;
OS   Cupriavidus necator (strain ATCC 17699 / DSM 428 / KCTC 22496 / NCIMB 10442
OS   / H16 / Stanier 337) (Ralstonia eutropha).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=381666;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17699 / DSM 428 / KCTC 22496 / NCIMB 10442 / H16 / Stanier 337;
RX   PubMed=16964242; DOI=10.1038/nbt1244;
RA   Pohlmann A., Fricke W.F., Reinecke F., Kusian B., Liesegang H., Cramm R.,
RA   Eitinger T., Ewering C., Poetter M., Schwartz E., Strittmatter A., Voss I.,
RA   Gottschalk G., Steinbuechel A., Friedrich B., Bowien B.;
RT   "Genome sequence of the bioplastic-producing 'Knallgas' bacterium Ralstonia
RT   eutropha H16.";
RL   Nat. Biotechnol. 24:1257-1262(2006).
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; AM260480; CAJ95843.1; -; Genomic_DNA.
DR   RefSeq; WP_011616980.1; NZ_CP039288.1.
DR   AlphaFoldDB; Q0K2D1; -.
DR   SMR; Q0K2D1; -.
DR   STRING; 381666.H16_B1052; -.
DR   EnsemblBacteria; CAJ95843; CAJ95843; H16_B1052.
DR   GeneID; 57646951; -.
DR   KEGG; reh:H16_B1052; -.
DR   eggNOG; COG1235; Bacteria.
DR   HOGENOM; CLU_061120_0_0_4; -.
DR   OMA; FYIPGCA; -.
DR   OrthoDB; 1712770at2; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000008210; Chromosome 2.
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_1000061660"
SQ   SEQUENCE   305 AA;  32588 MW;  9C7B37041C9D636B CRC64;
     MTSIRVLGSA AGGGFPQWNC NCHNCDGVRR GTVRATPRTQ SSIALTGDGP DAILVNASPD
     ILQQLRQAPA LQPARAPRDT AIAAVVLMDA QIDHVTGLLM LREHREALPL YATAAVLDDL
     GAAFPLTRIL SHYCGLRTHA LPCDGTAFSV PPLDGLTLTA IPLESKAPPY SPNRHAPRAG
     DNIGLRIEDR RSGRSAFYAP GLGRIDDHVF AELHSADIVL VDGTFWRDDE MQAPGFSGKS
     AADMGHLALS GPGGMIEVLE RLPASRKILI HINNTNPVLV EDSPERAELA RHGIEVAYDG
     MEIAL