ID   TNAA_HAEI8              Reviewed;         472 AA.
AC   Q4QML4;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2005, sequence version 1.
DT   03-AUG-2022, entry version 90.
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}; OrderedLocusNames=NTHI0831;
OS   Haemophilus influenzae (strain 86-028NP).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=281310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=86-028NP;
RX   PubMed=15968074; DOI=10.1128/jb.187.13.4627-4636.2005;
RA   Harrison A., Dyer D.W., Gillaspy A., Ray W.C., Mungur R., Carson M.B.,
RA   Zhong H., Gipson J., Gipson M., Johnson L.S., Lewis L., Bakaletz L.O.,
RA   Munson R.S. Jr.;
RT   "Genomic sequence of an otitis media isolate of nontypeable Haemophilus
RT   influenzae: comparative study with H. influenzae serotype d, strain KW20.";
RL   J. Bacteriol. 187:4627-4636(2005).
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; CP000057; AAX87733.1; -; Genomic_DNA.
DR   RefSeq; WP_011272181.1; NC_007146.2.
DR   AlphaFoldDB; Q4QML4; -.
DR   SMR; Q4QML4; -.
DR   PRIDE; Q4QML4; -.
DR   EnsemblBacteria; AAX87733; AAX87733; NTHI0831.
DR   KEGG; hit:NTHI0831; -.
DR   HOGENOM; CLU_047223_0_0_6; -.
DR   OMA; EMYQYGD; -.
DR   OrthoDB; 91973at2; -.
DR   UniPathway; UPA00332; UER00452.
DR   Proteomes; UP000002525; 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   Lyase; Pyridoxal phosphate; Tryptophan catabolism.
FT   CHAIN           1..472
FT                   /note="Tryptophanase"
FT                   /id="PRO_1000017731"
FT   MOD_RES         270
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
SQ   SEQUENCE   472 AA;  53105 MW;  93F922230E86BAEB CRC64;
     MENFKHLPEP FRIRVIEPVK RTTREYREQA MLKSGMNPFL LDSEDIFIDL LTDSGTGAVT
     QDMQAAMLRG DEAYSGSRSY YALAKAVKDI FGYEYTIPTH QGRGAEQIYI PVLIAKRERE
     KGLDRSKMVV FSNYFFDTTQ GHSQINGATV RNVYIKEAFD TTAKHPFKGN FDLEKLEKGI
     QEAGAHNVPY IVCTITCNSA GGQPVSIANL KGMYEIARKY DIPVIMDSAR FAENAYFVQQ
     REEAYKDWTI EQITYESYRY ADGLAMSAKK DAMVPMGGIL AFKDKSMEEV YHECRTLCVV
     QEGFPTYGGL EGGAMERLAV GLHDGMRQEW LAYRIAQIEY LVAGLEKIGV PCQQPGGHAA
     FVDAGKLLPH IPADQFPAQA LSCELYKVAG IRAVEIGSFL LGRDPKTGKQ LPCPAELLRL
     TIPRATYTQT HMDFIIEAFQ KVKENAENIK GLTFTYEPKV LRHFTARLKE VE