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METXS_PSEAB
ID   METXS_PSEAB             Reviewed;         379 AA.
AC   Q02U23;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Homoserine O-succinyltransferase {ECO:0000255|HAMAP-Rule:MF_00296};
DE            Short=HST {ECO:0000255|HAMAP-Rule:MF_00296};
DE            EC=2.3.1.46 {ECO:0000255|HAMAP-Rule:MF_00296};
DE   AltName: Full=Homoserine transsuccinylase {ECO:0000255|HAMAP-Rule:MF_00296};
DE            Short=HTS {ECO:0000255|HAMAP-Rule:MF_00296};
GN   Name=metXS {ECO:0000255|HAMAP-Rule:MF_00296}; OrderedLocusNames=PA14_05080;
OS   Pseudomonas aeruginosa (strain UCBPP-PA14).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=208963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UCBPP-PA14;
RX   PubMed=17038190; DOI=10.1186/gb-2006-7-10-r90;
RA   Lee D.G., Urbach J.M., Wu G., Liberati N.T., Feinbaum R.L., Miyata S.,
RA   Diggins L.T., He J., Saucier M., Deziel E., Friedman L., Li L., Grills G.,
RA   Montgomery K., Kucherlapati R., Rahme L.G., Ausubel F.M.;
RT   "Genomic analysis reveals that Pseudomonas aeruginosa virulence is
RT   combinatorial.";
RL   Genome Biol. 7:R90.1-R90.14(2006).
CC   -!- FUNCTION: Transfers a succinyl group from succinyl-CoA to L-homoserine,
CC       forming succinyl-L-homoserine. {ECO:0000255|HAMAP-Rule:MF_00296}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-homoserine + succinyl-CoA = CoA + O-succinyl-L-homoserine;
CC         Xref=Rhea:RHEA:22008, ChEBI:CHEBI:57287, ChEBI:CHEBI:57292,
CC         ChEBI:CHEBI:57476, ChEBI:CHEBI:57661; EC=2.3.1.46;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00296};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC       pathway; O-succinyl-L-homoserine from L-homoserine: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00296}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00296}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00296}.
CC   -!- SIMILARITY: Belongs to the AB hydrolase superfamily. MetX family.
CC       {ECO:0000255|HAMAP-Rule:MF_00296}.
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DR   EMBL; CP000438; ABJ15356.1; -; Genomic_DNA.
DR   RefSeq; WP_003084535.1; NZ_CP034244.1.
DR   AlphaFoldDB; Q02U23; -.
DR   SMR; Q02U23; -.
DR   ESTHER; pseae-metx; Homoserine_transacetylase.
DR   EnsemblBacteria; ABJ15356; ABJ15356; PA14_05080.
DR   KEGG; pau:PA14_05080; -.
DR   HOGENOM; CLU_028760_1_2_6; -.
DR   OMA; TRFCVVS; -.
DR   BioCyc; PAER208963:G1G74-424-MON; -.
DR   UniPathway; UPA00051; UER00075.
DR   Proteomes; UP000000653; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008899; F:homoserine O-succinyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.1820; -; 1.
DR   HAMAP; MF_00296; MetX_acyltransf; 1.
DR   InterPro; IPR029058; AB_hydrolase.
DR   InterPro; IPR000073; AB_hydrolase_1.
DR   InterPro; IPR008220; HAT_MetX-like.
DR   PANTHER; PTHR32268; PTHR32268; 1.
DR   Pfam; PF00561; Abhydrolase_1; 1.
DR   PIRSF; PIRSF000443; Homoser_Ac_trans; 1.
DR   SUPFAM; SSF53474; SSF53474; 1.
DR   TIGRFAMs; TIGR01392; homoserO_Ac_trn; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Amino-acid biosynthesis; Cytoplasm;
KW   Methionine biosynthesis; Transferase.
FT   CHAIN           1..379
FT                   /note="Homoserine O-succinyltransferase"
FT                   /id="PRO_1000021894"
FT   DOMAIN          51..360
FT                   /note="AB hydrolase-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        157
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        323
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        356
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   BINDING         227
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   BINDING         357
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   SITE            325
FT                   /note="Important for acyl-CoA specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
SQ   SEQUENCE   379 AA;  41834 MW;  8744551ABF35AF45 CRC64;
     MPTVFPDDSV GLVSPQTLHF NEPLELTSGK SLAEYDLVIE TYGELNATQS NAVLICHALS
     GHHHAAGYHS VDERKPGWWD SCIGPGKPID TRKFFVVALN NLGGCNGSSG PASINPATGK
     VYGADFPMVT VEDWVHSQAR LADRLGIRQW AAVVGGSLGG MQALQWTISY PERVRHCLCI
     ASAPKLSAQN IAFNEVARQA ILSDPEFLGG YFQEQGVIPK RGLKLARMVG HITYLSDDAM
     GAKFGRVLKT EKLNYDLHSV EFQVESYLRY QGEEFSTRFD ANTYLLMTKA LDYFDPAAAH
     GDDLVRTLEG VEADFCLMSF TTDWRFSPAR SREIVDALIA AKKNVSYLEI DAPQGHDAFL
     MPIPRYLQAF SGYMNRISV
 
 
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