ID   GLPB_HALS3              Reviewed;         427 AA.
AC   B0R6S4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 73.
DE   RecName: Full=Probable anaerobic glycerol-3-phosphate dehydrogenase subunit B {ECO:0000255|HAMAP-Rule:MF_00753};
DE            Short=Anaerobic G-3-P dehydrogenase subunit B {ECO:0000255|HAMAP-Rule:MF_00753};
DE            Short=Anaerobic G3Pdhase B {ECO:0000255|HAMAP-Rule:MF_00753};
DE            EC=1.1.5.3 {ECO:0000255|HAMAP-Rule:MF_00753};
GN   Name=glpB {ECO:0000255|HAMAP-Rule:MF_00753}; OrderedLocusNames=OE_3764F;
OS   Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Halobacteriaceae; Halobacterium.
OX   NCBI_TaxID=478009;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29341 / DSM 671 / R1;
RX   PubMed=18313895; DOI=10.1016/j.ygeno.2008.01.001;
RA   Pfeiffer F., Schuster S.C., Broicher A., Falb M., Palm P., Rodewald K.,
RA   Ruepp A., Soppa J., Tittor J., Oesterhelt D.;
RT   "Evolution in the laboratory: the genome of Halobacterium salinarum strain
RT   R1 compared to that of strain NRC-1.";
RL   Genomics 91:335-346(2008).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a quinone + sn-glycerol 3-phosphate = a quinol +
CC         dihydroxyacetone phosphate; Xref=Rhea:RHEA:18977, ChEBI:CHEBI:24646,
CC         ChEBI:CHEBI:57597, ChEBI:CHEBI:57642, ChEBI:CHEBI:132124; EC=1.1.5.3;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00753};
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00753};
CC   -!- PATHWAY: Polyol metabolism; glycerol degradation via glycerol kinase
CC       pathway; glycerone phosphate from sn-glycerol 3-phosphate (anaerobic
CC       route): step 1/1. {ECO:0000255|HAMAP-Rule:MF_00753}.
CC   -!- SIMILARITY: Belongs to the anaerobic G-3-P dehydrogenase subunit B
CC       family. {ECO:0000255|HAMAP-Rule:MF_00753}.
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DR   EMBL; AM774415; CAP14443.1; -; Genomic_DNA.
DR   RefSeq; WP_010903448.1; NC_010364.1.
DR   AlphaFoldDB; B0R6S4; -.
DR   EnsemblBacteria; CAP14443; CAP14443; OE_3764F.
DR   GeneID; 5953803; -.
DR   KEGG; hsl:OE_3764F; -.
DR   HOGENOM; CLU_047793_1_0_2; -.
DR   OMA; CFGLENQ; -.
DR   UniPathway; UPA00618; UER00673.
DR   Proteomes; UP000001321; Chromosome.
DR   GO; GO:0052591; F:sn-glycerol-3-phosphate:ubiquinone-8 oxidoreductase activity; IEA:UniProtKB-EC.
DR   GO; GO:0019563; P:glycerol catabolic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.50.50.60; -; 1.
DR   HAMAP; MF_00753; Glycerol3P_GlpB; 1.
DR   InterPro; IPR003953; FAD-binding_2.
DR   InterPro; IPR036188; FAD/NAD-bd_sf.
DR   InterPro; IPR009158; G3P_DH_GlpB_su.
DR   Pfam; PF00890; FAD_binding_2; 1.
DR   PIRSF; PIRSF000141; Anaerobic_G3P_dh; 1.
DR   SUPFAM; SSF51905; SSF51905; 1.
DR   TIGRFAMs; TIGR03378; glycerol3P_GlpB; 1.
PE   3: Inferred from homology;
KW   Flavoprotein; FMN; Oxidoreductase.
FT   CHAIN           1..427
FT                   /note="Probable anaerobic glycerol-3-phosphate
FT                   dehydrogenase subunit B"
FT                   /id="PRO_1000133365"
SQ   SEQUENCE   427 AA;  43945 MW;  4E671ABC24FCD5A6 CRC64;
     MAIESEVLVI GGGLAGITSA LAAADAGADT RLVSYKQSTL RNASGLVDVL GYTPSGDGPV
     VDPFDAIPSL PDAHPYRTVG VDTVRDAMAF FDAHAPRYQG HHTDANALVP THGGTVKPTA
     RYPASAAAGL ASDDRDTLLV GFETLPDFNA DHAAAHLESA GVPFDVRGVT VPFPGDLRAG
     AKVTRYAGLL DANPQVSVDG TERPLRLALA TRVADAAADA DRVGFPAVLG DDDPAGVRDA
     LADHLGAAVF EVPMGPPSLP GLRLSDHLFG ALEAAGVRIE TGNPVVDADT TAGGVETVYV
     EKNGARIPNS ADEYVLATGG LVGKGIDSDR DAVYEPIFDC RIAHSDDRYA WFDDDAFGDH
     AFAQFGVRTD DTLRPRDDDG AAAHANLRAA GAVLGGYNFA AEHSGSGVSI ATGYAAGTAA
     AEAIHDE