ID   VATB_PYRHO              Reviewed;         465 AA.
AC   O57729;
DT   24-JAN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   03-AUG-2022, entry version 125.
DE   RecName: Full=V-type ATP synthase beta chain;
DE   AltName: Full=V-ATPase subunit B;
GN   Name=atpB; OrderedLocusNames=PH1974;
OS   Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC
OS   100139 / OT-3).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Pyrococcus.
OX   NCBI_TaxID=70601;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3;
RX   PubMed=9679194; DOI=10.1093/dnares/5.2.55;
RA   Kawarabayasi Y., Sawada M., Horikawa H., Haikawa Y., Hino Y., Yamamoto S.,
RA   Sekine M., Baba S., Kosugi H., Hosoyama A., Nagai Y., Sakai M., Ogura K.,
RA   Otsuka R., Nakazawa H., Takamiya M., Ohfuku Y., Funahashi T., Tanaka T.,
RA   Kudoh Y., Yamazaki J., Kushida N., Oguchi A., Aoki K., Yoshizawa T.,
RA   Nakamura Y., Robb F.T., Horikoshi K., Masuchi Y., Shizuya H., Kikuchi H.;
RT   "Complete sequence and gene organization of the genome of a hyper-
RT   thermophilic archaebacterium, Pyrococcus horikoshii OT3.";
RL   DNA Res. 5:55-76(1998).
CC   -!- FUNCTION: Produces ATP from ADP in the presence of a proton gradient
CC       across the membrane. The archaeal beta chain is a regulatory subunit.
CC   -!- SIMILARITY: Belongs to the ATPase alpha/beta chains family.
CC       {ECO:0000305}.
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DR   EMBL; BA000001; BAA31101.1; -; Genomic_DNA.
DR   PIR; F71213; F71213.
DR   AlphaFoldDB; O57729; -.
DR   SMR; O57729; -.
DR   STRING; 70601.3258418; -.
DR   PRIDE; O57729; -.
DR   EnsemblBacteria; BAA31101; BAA31101; BAA31101.
DR   KEGG; pho:PH1974; -.
DR   eggNOG; arCOG00865; Archaea.
DR   OMA; MLMMDSV; -.
DR   Proteomes; UP000000752; Chromosome.
DR   GO; GO:0033178; C:proton-transporting two-sector ATPase complex, catalytic domain; IEA:InterPro.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046933; F:proton-transporting ATP synthase activity, rotational mechanism; IEA:UniProtKB-UniRule.
DR   GO; GO:0042777; P:proton motive force-driven plasma membrane ATP synthesis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00310; ATP_synth_B_arch; 1.
DR   InterPro; IPR020003; ATPase_a/bsu_AS.
DR   InterPro; IPR005724; ATPase_A1-cplx_bsu.
DR   InterPro; IPR004100; ATPase_F1/V1/A1_a/bsu_N.
DR   InterPro; IPR000194; ATPase_F1/V1/A1_a/bsu_nucl-bd.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR022879; V-ATPase_su_B/beta.
DR   PANTHER; PTHR43389; PTHR43389; 1.
DR   Pfam; PF00006; ATP-synt_ab; 1.
DR   Pfam; PF02874; ATP-synt_ab_N; 1.
DR   PIRSF; PIRSF039114; V-ATPsynth_beta/V-ATPase_B; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR01041; ATP_syn_B_arch; 1.
DR   PROSITE; PS00152; ATPASE_ALPHA_BETA; 1.
PE   3: Inferred from homology;
KW   ATP synthesis; Hydrogen ion transport; Ion transport; Transport.
FT   CHAIN           1..465
FT                   /note="V-type ATP synthase beta chain"
FT                   /id="PRO_0000144664"
SQ   SEQUENCE   465 AA;  52265 MW;  EDAFDEF4D74C2A54 CRC64;
     MMKMSKEYST ISKIYGPLMI VEGVKGVAYG EVVEIETESG EKRKGQVLDA RENMAIVQVF
     EGTRDLDIKT TSVRFTGETL KVPVSMDMLG RIFNGIGKPI DGGPEIIPED RRDVHGAPLN
     PVARAYPRDF IQTGISAIDG MNTLVRGQKL PIFSGSGLPH NQLAAQIARQ AKVLGEEESF
     AVVFAAMGIT YEEANFFKKS FEETGAIERA VLFLNLADDP AIERIITPRM ALTVAEYLAF
     DYDMHVLVIL TDMTNYCEAL REISAAREEV PGRRGYPGYM YTDLATIYER AGRIRGRKGS
     ITQMPILTMP DDDITHPIPD LTGYITEGQI VLSRELHRKG IYPPIDVLPS LSRLMKDGIG
     KGKTREDHPQ LAQQLYAAYA EGRSLRDLVA VVGEEALSET DKKYLEFADR FEREFVAQGY
     YEDRSIEETL DLGWELLSIL PESELKRVKK EMIMKYHPKY RKRSS