ID   TNAA_HYPNA              Reviewed;         454 AA.
AC   Q0C406;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 107.
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=HNE_0810;
OS   Hyphomonas neptunium (strain ATCC 15444).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomonadales;
OC   Hyphomonadaceae; Hyphomonas.
OX   NCBI_TaxID=228405;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 15444;
RX   PubMed=16980487; DOI=10.1128/jb.00111-06;
RA   Badger J.H., Hoover T.R., Brun Y.V., Weiner R.M., Laub M.T., Alexandre G.,
RA   Mrazek J., Ren Q., Paulsen I.T., Nelson K.E., Khouri H.M., Radune D.,
RA   Sosa J., Dodson R.J., Sullivan S.A., Rosovitz M.J., Madupu R.,
RA   Brinkac L.M., Durkin A.S., Daugherty S.C., Kothari S.P., Giglio M.G.,
RA   Zhou L., Haft D.H., Selengut J.D., Davidsen T.M., Yang Q., Zafar N.,
RA   Ward N.L.;
RT   "Comparative genomic evidence for a close relationship between the
RT   dimorphic prosthecate bacteria Hyphomonas neptunium and Caulobacter
RT   crescentus.";
RL   J. Bacteriol. 188:6841-6850(2006).
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; CP000158; ABI78586.1; -; Genomic_DNA.
DR   RefSeq; WP_011645837.1; NC_008358.1.
DR   AlphaFoldDB; Q0C406; -.
DR   SMR; Q0C406; -.
DR   STRING; 228405.HNE_0810; -.
DR   EnsemblBacteria; ABI78586; ABI78586; HNE_0810.
DR   KEGG; hne:HNE_0810; -.
DR   eggNOG; COG3033; Bacteria.
DR   HOGENOM; CLU_047223_0_0_5; -.
DR   OMA; EMYQYGD; -.
DR   OrthoDB; 91973at2; -.
DR   UniPathway; UPA00332; UER00452.
DR   Proteomes; UP000001959; 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   Pfam; PF01212; Beta_elim_lyase; 1.
DR   PIRSF; PIRSF001386; Trpase; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
PE   3: Inferred from homology;
KW   Lyase; Pyridoxal phosphate; Reference proteome; Tryptophan catabolism.
FT   CHAIN           1..454
FT                   /note="Tryptophanase"
FT                   /id="PRO_1000128916"
FT   MOD_RES         256
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
SQ   SEQUENCE   454 AA;  49740 MW;  38456C2AF1446E2D CRC64;
     MKTIIEPFRI KSVEPIRMTT REERARLLEA AGFNLFKLHS DDVIIDLLTD SGTSAMSAAQ
     WGAVMTGDES YAGAPSFYRF EAAVKDLMDF THIIPAHQGR AAEHLLFSLI AKTGDLIPSN
     THFDTTRGNI EAMGAEALDL PIAEGRVPSL DHPFKGNMDL AALERVLTEE GGRIPAVMMT
     ITNNAGGGQP VSLENIRGAA RLAKAHGKAF YIDGCRFAEN AWFIKLREEG QKDRSIKEIV
     RETFALADGM TMSAKKDAFA NIGGWLALNN DALAERARTL LIQTEGFPTY GGLAGRDLDA
     IAQGLKEIID EDYLRYRVRT NAYIAERLDA MGVPVVKPAG GHAVFIDARA FLPHIPPLEY
     PGQALTCAMY ETGGIRACEI GTVMFGRKPD GTEAPGAMDL VRLAMPRRVY TQSHADYVVE
     VLEDVAATKD TLKGLRIVKE PPMMRHFTAA FERL