ID   ENTH_ECO5E              Reviewed;         137 AA.
AC   B5YPU3;
DT   16-NOV-2011, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   25-MAY-2022, entry version 64.
DE   RecName: Full=Proofreading thioesterase EntH {ECO:0000255|HAMAP-Rule:MF_00907};
DE            EC=3.1.2.- {ECO:0000255|HAMAP-Rule:MF_00907};
DE   AltName: Full=Enterobactin synthase component H {ECO:0000255|HAMAP-Rule:MF_00907};
GN   Name=entH {ECO:0000255|HAMAP-Rule:MF_00907};
GN   OrderedLocusNames=ECH74115_0682;
OS   Escherichia coli O157:H7 (strain EC4115 / EHEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=444450;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=EC4115 / EHEC;
RX   PubMed=22135463; DOI=10.1073/pnas.1107176108;
RA   Eppinger M., Mammel M.K., Leclerc J.E., Ravel J., Cebula T.A.;
RT   "Genomic anatomy of Escherichia coli O157:H7 outbreaks.";
RL   Proc. Natl. Acad. Sci. U.S.A. 108:20142-20147(2011).
CC   -!- FUNCTION: Required for optimal enterobactin synthesis. Acts as a
CC       proofreading enzyme that prevents EntB misacylation by hydrolyzing the
CC       thioester bound existing between EntB and wrongly charged molecules.
CC       {ECO:0000255|HAMAP-Rule:MF_00907}.
CC   -!- PATHWAY: Siderophore biosynthesis; enterobactin biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00907}.
CC   -!- SUBUNIT: Homotetramer. Dimer of dimers. Interacts specifically with the
CC       aryl carrier protein (ArCP) domain of EntB. {ECO:0000255|HAMAP-
CC       Rule:MF_00907}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00907}.
CC   -!- SIMILARITY: Belongs to the thioesterase PaaI family.
CC       {ECO:0000255|HAMAP-Rule:MF_00907}.
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DR   EMBL; CP001164; ACI36596.1; -; Genomic_DNA.
DR   RefSeq; WP_000637937.1; NC_011353.1.
DR   AlphaFoldDB; B5YPU3; -.
DR   SMR; B5YPU3; -.
DR   KEGG; ecf:ECH74115_0682; -.
DR   HOGENOM; CLU_089876_13_1_6; -.
DR   OMA; QHGGVYC; -.
DR   UniPathway; UPA00017; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016790; F:thiolester hydrolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009239; P:enterobactin biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00907; Thioesterase_EntH; 1.
DR   InterPro; IPR029069; HotDog_dom_sf.
DR   InterPro; IPR003736; PAAI_dom.
DR   InterPro; IPR026576; Thioesterase_EntH.
DR   InterPro; IPR006683; Thioestr_dom.
DR   Pfam; PF03061; 4HBT; 1.
DR   SUPFAM; SSF54637; SSF54637; 1.
DR   TIGRFAMs; TIGR00369; unchar_dom_1; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase.
FT   CHAIN           1..137
FT                   /note="Proofreading thioesterase EntH"
FT                   /id="PRO_0000413868"
FT   ACT_SITE        63
FT                   /note="Nucleophile or proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00907"
SQ   SEQUENCE   137 AA;  14982 MW;  66D16D18C8093F1A CRC64;
     MIWKRHLTLD ELNATSDNTM VAHLGIVYTR LGDDVLEAEM PVDIRTHQPF GLLHGGASAA
     LAETLGSMAG FMMTRDGQCV VGTELNATHH RPVSEGKVRG VCQPLHLGRQ NQSWEIVVFD
     EQGRRCCTCR LGTAVLG