ID   TNAA_CITK8              Reviewed;         462 AA.
AC   A8AKE2;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-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}; OrderedLocusNames=CKO_02849;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000822; ABV13955.1; -; Genomic_DNA.
DR   RefSeq; WP_012133668.1; NC_009792.1.
DR   AlphaFoldDB; A8AKE2; -.
DR   SMR; A8AKE2; -.
DR   STRING; 290338.CKO_02849; -.
DR   EnsemblBacteria; ABV13955; ABV13955; CKO_02849.
DR   GeneID; 45136682; -.
DR   KEGG; cko:CKO_02849; -.
DR   HOGENOM; CLU_047223_0_0_6; -.
DR   OMA; EMYQYGD; -.
DR   OrthoDB; 91973at2; -.
DR   UniPathway; UPA00332; UER00452.
DR   Proteomes; UP000008148; 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; Reference proteome; Tryptophan catabolism.
FT   CHAIN           1..462
FT                   /note="Tryptophanase"
FT                   /id="PRO_1000017729"
FT   MOD_RES         261
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00544"
SQ   SEQUENCE   462 AA;  51941 MW;  391082CD944E7A01 CRC64;
     MKRIPEPFRI KMVENIRMTT WDDRVKALEE AGYNPFLLRS DDVYIDLLTD SGTGAMSDRQ
     WSGLMMGDEA YAGSRNYYHL CDKVKELIGY PFTIPTHQGR GAEQILFPCL IARRNAEKPV
     FISNFHFDTT AAHVELNGAK AINVVTPKAF DTTSWYDWKG NFDIDLLNAT IAEHGAENVA
     AIITTVTCNS SGGQPVSIAN MREVYQIAKR HNIPVVIDSA RFCENAWFIK QREEGYADKT
     VKEIVREMYQ YGDMLTMSAK KDPMVNIGGL CCFRDDEDLF NDVRIRCVPM EGFVTYGGLA
     GRDMEALAIG LEEGMNEDFL AYRINQVEYL GERLREGGIP IQYPTGGHAV FVDAKLLLPH
     IPAEQFPAHA LNNELYLEAG IRSVEIGSLL LGRDPATGKQ KPSPMELLRL TIPRRVYTND
     HMDYIADALI AVKARAASIK GLTFTYEPPV LRHFVARLKP VK