ID   TNAA_ECO24              Reviewed;         471 AA.
AC   A7ZTR3;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=Tryptophanase {ECO:0000255|HAMAP-Rule:MF_00544};
DE            EC=4.1.99.1 {ECO:0000255|HAMAP-Rule:MF_00544};
DE   AltName: Full=L-tryptophan indole-lyase {ECO:0000255|HAMAP-Rule:MF_00544};
DE            Short=TNase {ECO:0000255|HAMAP-Rule:MF_00544};
GN   Name=tnaA {ECO:0000255|HAMAP-Rule:MF_00544};
GN   OrderedLocusNames=EcE24377A_4217;
OS   Escherichia coli O139:H28 (strain E24377A / ETEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331111;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E24377A / ETEC;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(2008).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + L-tryptophan = indole + NH4(+) + pyruvate;
CC         Xref=Rhea:RHEA:19553, ChEBI:CHEBI:15361, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:16881, ChEBI:CHEBI:28938, ChEBI:CHEBI:57912; EC=4.1.99.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00544};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00544};
CC   -!- PATHWAY: Amino-acid degradation; L-tryptophan degradation via pyruvate
CC       pathway; indole and pyruvate from L-tryptophan: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00544}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00544}.
CC   -!- SIMILARITY: Belongs to the beta-eliminating lyase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00544}.
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DR   EMBL; CP000800; ABV17413.1; -; Genomic_DNA.
DR   RefSeq; WP_001295247.1; NC_009801.1.
DR   AlphaFoldDB; A7ZTR3; -.
DR   SMR; A7ZTR3; -.
DR   EnsemblBacteria; ABV17413; ABV17413; EcE24377A_4217.
DR   GeneID; 66672392; -.
DR   KEGG; ecw:EcE24377A_4217; -.
DR   HOGENOM; CLU_047223_0_0_6; -.
DR   OMA; EMYQYGD; -.
DR   UniPathway; UPA00332; UER00452.
DR   Proteomes; UP000001122; Chromosome.
DR   GO; GO:0009034; F:tryptophanase activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   HAMAP; MF_00544; Tryptophanase; 1.
DR   InterPro; IPR001597; ArAA_b-elim_lyase/Thr_aldolase.
DR   InterPro; IPR011166; Beta-eliminating_lyase.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   InterPro; IPR013440; TNase.
DR   InterPro; IPR018176; Tryptophanase_CS.
DR   Pfam; PF01212; Beta_elim_lyase; 1.
DR   PIRSF; PIRSF001386; Trpase; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR02617; tnaA_trp_ase; 1.
DR   PROSITE; PS00853; BETA_ELIM_LYASE; 1.
PE   3: Inferred from homology;
KW   Acetylation; Lyase; Pyridoxal phosphate; Tryptophan catabolism.
FT   CHAIN           1..471
FT                   /note="Tryptophanase"
FT                   /id="PRO_1000061072"
FT   MOD_RES         5
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
FT   MOD_RES         115
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
FT   MOD_RES         156
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
FT   MOD_RES         270
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
FT   MOD_RES         450
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
SQ   SEQUENCE   471 AA;  52773 MW;  5AFC1F41BD9D0034 CRC64;
     MENFKHLPEP FRIRVIEPVK RTTRAYREEA IIKSGMNPFL LDSEDVFIDL LTDSGTGAVT
     QSMQAAMMRG DEAYSGSRSY YALAESVKNI FGYQYTIPTH QGRGAEQIYI PVLIKKREQE
     KGLDRSKMVA FSNYFFDTTQ GHSQINGCTV RNVYIKEAFD TGVRYDFKGN FDLEGLERGI
     EEVGPNNVPY IVATITSNSA GGQPVSLANL KAMYSIAKKY DIPVVMDSAR FAENAYFIKQ
     REAEYKDWTI EQITRETYKY ADMLAMSAKK DAMVPMGGLL CMKDDSFFDV YTECRTLCVV
     QEGFPTYGGL EGGAMERLAV GLYDGMNLDW LAYRIAQVQY LVDGLEEIGV VCQQAGGHAA
     FVDAGKLLPH IPADQFPAQA LACELYKVAG IRAVEIGSFL LGRDPKTGKQ LPCPAELLRL
     TIPRATYTQT HMDFIIEAFK HVKENAANIK GLTFTYEPKV LRHFTAKLKE V