ID   VATB_METBA              Reviewed;         460 AA.
AC   P22663;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1991, sequence version 1.
DT   03-AUG-2022, entry version 103.
DE   RecName: Full=V-type ATP synthase beta chain;
DE   AltName: Full=V-ATPase subunit B;
GN   Name=atpB;
OS   Methanosarcina barkeri.
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=2208;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2544575; DOI=10.1016/s0021-9258(18)60411-9;
RA   Inatomi K., Eya S., Maeda M., Futai M.;
RT   "Amino acid sequence of the alpha and beta subunits of Methanosarcina
RT   barkeri ATPase deduced from cloned genes. Similarity to subunits of
RT   eukaryotic vacuolar and F0F1-ATPases.";
RL   J. Biol. Chem. 264:10954-10959(1989).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; J04836; AAA72216.1; -; Genomic_DNA.
DR   PIR; B34283; B34283.
DR   AlphaFoldDB; P22663; -.
DR   SMR; P22663; -.
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..460
FT                   /note="V-type ATP synthase beta chain"
FT                   /id="PRO_0000144655"
SQ   SEQUENCE   460 AA;  50221 MW;  ABE672D134FEC32C CRC64;
     MVKEYKTITQ IAGPLVFVEK TEPVGYKEIV TINLPDGTTR RGEVLDSSSD IVVIQIFEGT
     TGLDKECGVV FTGETLKLPA SIDLLGRILS GSGEPLDGGP RIVPDQLLDI NGAAMNPYAR
     LPPKDFIQTG ISTIDGTNTL VRGQKLPIFS ASGLPHNEIA LQIARQAAVP GSESAFAVVF
     AAMGITNEEA QYFMSDFEKT GALERAVVFL NLADDPAVER IVTPRMALTA AEYLAYEHGM
     HVLVILTDIT NYAEALRQMG AARNEIPGRR GYPGYMYTDL ATLYERAGIV KGAKGSVTQI
     PILSMPGDDI THPIPDLSGY ITEGQIVVSR ELHRKGIYPP INVLPSLSRL MNSGIGAGKT
     REDHKAVSDQ MYAGYAEGRD LRGLVAIVGK EALSERDVKF LEFADLFEQQ FVTQGRNENR
     TIADTLDIGW KILAHLPENQ LGRIDNKYIQ KYHPAHRKGQ