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LIPB_BURMA
ID   LIPB_BURMA              Reviewed;         225 AA.
AC   Q62N15;
DT   15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-FEB-2005, sequence version 2.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Octanoyltransferase {ECO:0000255|HAMAP-Rule:MF_00013};
DE            EC=2.3.1.181 {ECO:0000255|HAMAP-Rule:MF_00013};
DE   AltName: Full=Lipoate-protein ligase B {ECO:0000255|HAMAP-Rule:MF_00013};
DE   AltName: Full=Lipoyl/octanoyl transferase {ECO:0000255|HAMAP-Rule:MF_00013};
DE   AltName: Full=Octanoyl-[acyl-carrier-protein]-protein N-octanoyltransferase {ECO:0000255|HAMAP-Rule:MF_00013};
GN   Name=lipB {ECO:0000255|HAMAP-Rule:MF_00013}; OrderedLocusNames=BMA0053;
OS   Burkholderia mallei (strain ATCC 23344).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; pseudomallei group.
OX   NCBI_TaxID=243160;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23344;
RX   PubMed=15377793; DOI=10.1073/pnas.0403306101;
RA   Nierman W.C., DeShazer D., Kim H.S., Tettelin H., Nelson K.E.,
RA   Feldblyum T.V., Ulrich R.L., Ronning C.M., Brinkac L.M., Daugherty S.C.,
RA   Davidsen T.D., DeBoy R.T., Dimitrov G., Dodson R.J., Durkin A.S.,
RA   Gwinn M.L., Haft D.H., Khouri H.M., Kolonay J.F., Madupu R., Mohammoud Y.,
RA   Nelson W.C., Radune D., Romero C.M., Sarria S., Selengut J., Shamblin C.,
RA   Sullivan S.A., White O., Yu Y., Zafar N., Zhou L., Fraser C.M.;
RT   "Structural flexibility in the Burkholderia mallei genome.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:14246-14251(2004).
CC   -!- FUNCTION: Catalyzes the transfer of endogenously produced octanoic acid
CC       from octanoyl-acyl-carrier-protein onto the lipoyl domains of lipoate-
CC       dependent enzymes. Lipoyl-ACP can also act as a substrate although
CC       octanoyl-ACP is likely to be the physiological substrate.
CC       {ECO:0000255|HAMAP-Rule:MF_00013}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-lysyl-[protein] + octanoyl-[ACP] = H(+) + holo-[ACP] + N(6)-
CC         octanoyl-L-lysyl-[protein]; Xref=Rhea:RHEA:17665, Rhea:RHEA-
CC         COMP:9636, Rhea:RHEA-COMP:9685, Rhea:RHEA-COMP:9752, Rhea:RHEA-
CC         COMP:9928, ChEBI:CHEBI:15378, ChEBI:CHEBI:29969, ChEBI:CHEBI:64479,
CC         ChEBI:CHEBI:78463, ChEBI:CHEBI:78809; EC=2.3.1.181;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00013};
CC   -!- PATHWAY: Protein modification; protein lipoylation via endogenous
CC       pathway; protein N(6)-(lipoyl)lysine from octanoyl-[acyl-carrier-
CC       protein]: step 1/2. {ECO:0000255|HAMAP-Rule:MF_00013}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00013}.
CC   -!- MISCELLANEOUS: In the reaction, the free carboxyl group of octanoic
CC       acid is attached via an amide linkage to the epsilon-amino group of a
CC       specific lysine residue of lipoyl domains of lipoate-dependent enzymes.
CC       {ECO:0000255|HAMAP-Rule:MF_00013}.
CC   -!- SIMILARITY: Belongs to the LipB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00013}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAU48955.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; CP000010; AAU48955.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; YP_101902.1; NC_006348.1.
DR   AlphaFoldDB; Q62N15; -.
DR   SMR; Q62N15; -.
DR   STRING; 243160.BMA0053; -.
DR   EnsemblBacteria; AAU48955; AAU48955; BMA0053.
DR   KEGG; bma:BMA0053; -.
DR   PATRIC; fig|243160.12.peg.46; -.
DR   eggNOG; COG0321; Bacteria.
DR   HOGENOM; CLU_035168_3_1_4; -.
DR   OMA; GEVTYHC; -.
DR   UniPathway; UPA00538; UER00592.
DR   Proteomes; UP000006693; Chromosome 1.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0033819; F:lipoyl(octanoyl) transferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009249; P:protein lipoylation; IEA:InterPro.
DR   CDD; cd16444; LipB; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   HAMAP; MF_00013; LipB; 1.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR004143; BPL_LPL_catalytic.
DR   InterPro; IPR000544; Octanoyltransferase.
DR   InterPro; IPR020605; Octanoyltransferase_CS.
DR   PIRSF; PIRSF016262; LPLase; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00214; lipB; 1.
DR   PROSITE; PS51733; BPL_LPL_CATALYTIC; 1.
DR   PROSITE; PS01313; LIPB; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Cytoplasm; Transferase.
FT   CHAIN           1..225
FT                   /note="Octanoyltransferase"
FT                   /id="PRO_0000062823"
FT   DOMAIN          29..210
FT                   /note="BPL/LPL catalytic"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01067"
FT   ACT_SITE        172
FT                   /note="Acyl-thioester intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00013"
FT   BINDING         69..76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00013"
FT   BINDING         141..143
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00013"
FT   BINDING         154..156
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00013"
FT   SITE            138
FT                   /note="Lowers pKa of active site Cys"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00013"
SQ   SEQUENCE   225 AA;  24264 MW;  0936425B66FA9DE2 CRC64;
     MPVTVRWLGE TPYDACFDAM RAFTDARTPD TDDEIWVVEH PPVYTLGQAG NPAHLLVADS
     GVPLVKVDRG GQITYHGPGQ IVAYLLVDLR RRKLMVRTLV TRIEEAVIET LAAYNLASAR
     KAGAPGIYVE SGPHRGAKIA ALGLKIRNGC SYHGLSVNVK MDLRPFLAIN PCGYAGLETI
     DMASLGATAD WHEVAQTLVR RLIAHLDGAT AAAALPQQAL EQSND
 
 
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