ID   GLPB_HALSA              Reviewed;         427 AA.
AC   Q9HNS3;
DT   29-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2001, sequence version 1.
DT   25-MAY-2022, entry version 110.
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}; Synonyms=gpdB;
GN   OrderedLocusNames=VNG_1971G;
OS   Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1)
OS   (Halobacterium halobium).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Halobacteriaceae; Halobacterium.
OX   NCBI_TaxID=64091;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700922 / JCM 11081 / NRC-1;
RX   PubMed=11016950; DOI=10.1073/pnas.190337797;
RA   Ng W.V., Kennedy S.P., Mahairas G.G., Berquist B., Pan M., Shukla H.D.,
RA   Lasky S.R., Baliga N.S., Thorsson V., Sbrogna J., Swartzell S., Weir D.,
RA   Hall J., Dahl T.A., Welti R., Goo Y.A., Leithauser B., Keller K., Cruz R.,
RA   Danson M.J., Hough D.W., Maddocks D.G., Jablonski P.E., Krebs M.P.,
RA   Angevine C.M., Dale H., Isenbarger T.A., Peck R.F., Pohlschroder M.,
RA   Spudich J.L., Jung K.-H., Alam M., Freitas T., Hou S., Daniels C.J.,
RA   Dennis P.P., Omer A.D., Ebhardt H., Lowe T.M., Liang P., Riley M., Hood L.,
RA   DasSarma S.;
RT   "Genome sequence of Halobacterium species NRC-1.";
RL   Proc. Natl. Acad. Sci. U.S.A. 97:12176-12181(2000).
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; AE004437; AAG20147.1; -; Genomic_DNA.
DR   PIR; G84347; G84347.
DR   RefSeq; WP_010903448.1; NC_002607.1.
DR   AlphaFoldDB; Q9HNS3; -.
DR   STRING; 64091.VNG_1971G; -.
DR   PaxDb; Q9HNS3; -.
DR   EnsemblBacteria; AAG20147; AAG20147; VNG_1971G.
DR   GeneID; 5953803; -.
DR   KEGG; hal:VNG_1971G; -.
DR   PATRIC; fig|64091.14.peg.1506; -.
DR   HOGENOM; CLU_047793_1_0_2; -.
DR   InParanoid; Q9HNS3; -.
DR   OMA; CFGLENQ; -.
DR   OrthoDB; 20694at2157; -.
DR   UniPathway; UPA00618; UER00673.
DR   Proteomes; UP000000554; 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; Reference proteome.
FT   CHAIN           1..427
FT                   /note="Probable anaerobic glycerol-3-phosphate
FT                   dehydrogenase subunit B"
FT                   /id="PRO_0000204572"
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