ID   BUK_GEOSE               Reviewed;          46 AA.
AC   P54621;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   03-AUG-2022, entry version 75.
DE   RecName: Full=Probable butyrate kinase;
DE            Short=BK;
DE            EC=2.7.2.7;
DE   AltName: Full=Branched-chain carboxylic acid kinase;
DE   Flags: Fragment;
GN   Name=buk;
OS   Geobacillus stearothermophilus (Bacillus stearothermophilus).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Geobacillus.
OX   NCBI_TaxID=1422;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 12980 / DSM 22 / CCM 2062 / JCM 2501 / NBRC 12550 / NCIMB 8923
RC   / NCTC 10339 / R-35646 / VKM B-510;
RX   PubMed=3069133; DOI=10.1021/bi00425a026;
RA   Nagata S., Tanizawa K., Esaki N., Sakamoto Y., Ohshima T., Tanaka H.,
RA   Soda K.;
RT   "Gene cloning and sequence determination of leucine dehydrogenase from
RT   Bacillus stearothermophilus and structural comparison with other NAD(P)+-
RT   dependent dehydrogenases.";
RL   Biochemistry 27:9056-9062(1988).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + butanoate = ADP + butanoyl phosphate;
CC         Xref=Rhea:RHEA:13585, ChEBI:CHEBI:17968, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:58079, ChEBI:CHEBI:456216; EC=2.7.2.7;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the acetokinase family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAA22570.1; Type=Frameshift; Evidence={ECO:0000305};
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DR   EMBL; M22977; AAA22570.1; ALT_FRAME; Genomic_DNA.
DR   AlphaFoldDB; P54621; -.
DR   SMR; P54621; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0047761; F:butyrate kinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   InterPro; IPR023865; Aliphatic_acid_kinase_CS.
DR   InterPro; IPR043129; ATPase_NBD.
DR   SUPFAM; SSF53067; SSF53067; 1.
DR   PROSITE; PS01075; ACETATE_KINASE_1; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Nucleotide-binding; Transferase.
FT   CHAIN           1..>46
FT                   /note="Probable butyrate kinase"
FT                   /id="PRO_0000107665"
FT   NON_TER         46
SQ   SEQUENCE   46 AA;  5334 MW;  45035BC58FAC6832 CRC64;
     MQEQKFRILT INPGSTSTKI GVFENERAIV EKTIRHEGRC FGNIKR