ID   HUTH_SHEPA              Reviewed;         510 AA.
AC   A8HA91;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=Histidine ammonia-lyase {ECO:0000255|HAMAP-Rule:MF_00229};
DE            Short=Histidase {ECO:0000255|HAMAP-Rule:MF_00229};
DE            EC=4.3.1.3 {ECO:0000255|HAMAP-Rule:MF_00229};
GN   Name=hutH {ECO:0000255|HAMAP-Rule:MF_00229}; OrderedLocusNames=Spea_4168;
OS   Shewanella pealeana (strain ATCC 700345 / ANG-SQ1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=398579;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700345 / ANG-SQ1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Zhao J.-S.Z., Manno D., Hawari J., Richardson P.;
RT   "Complete sequence of Shewanella pealeana ATCC 700345.";
RL   Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-histidine = NH4(+) + trans-urocanate; Xref=Rhea:RHEA:21232,
CC         ChEBI:CHEBI:17771, ChEBI:CHEBI:28938, ChEBI:CHEBI:57595; EC=4.3.1.3;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00229};
CC   -!- PATHWAY: Amino-acid degradation; L-histidine degradation into L-
CC       glutamate; N-formimidoyl-L-glutamate from L-histidine: step 1/3.
CC       {ECO:0000255|HAMAP-Rule:MF_00229}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00229}.
CC   -!- PTM: Contains an active site 4-methylidene-imidazol-5-one (MIO), which
CC       is formed autocatalytically by cyclization and dehydration of residues
CC       Ala-Ser-Gly. {ECO:0000255|HAMAP-Rule:MF_00229}.
CC   -!- SIMILARITY: Belongs to the PAL/histidase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00229}.
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DR   EMBL; CP000851; ABV89478.1; -; Genomic_DNA.
DR   RefSeq; WP_012157356.1; NC_009901.1.
DR   AlphaFoldDB; A8HA91; -.
DR   SMR; A8HA91; -.
DR   STRING; 398579.Spea_4168; -.
DR   EnsemblBacteria; ABV89478; ABV89478; Spea_4168.
DR   KEGG; spl:Spea_4168; -.
DR   eggNOG; COG2986; Bacteria.
DR   HOGENOM; CLU_014801_4_0_6; -.
DR   OMA; CAPQVAG; -.
DR   UniPathway; UPA00379; UER00549.
DR   Proteomes; UP000002608; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004397; F:histidine ammonia-lyase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019556; P:histidine catabolic process to glutamate and formamide; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019557; P:histidine catabolic process to glutamate and formate; IEA:UniProtKB-UniPathway.
DR   CDD; cd00332; PAL-HAL; 1.
DR   Gene3D; 1.10.275.10; -; 1.
DR   HAMAP; MF_00229; His_ammonia_lyase; 1.
DR   InterPro; IPR001106; Aromatic_Lyase.
DR   InterPro; IPR024083; Fumarase/histidase_N.
DR   InterPro; IPR005921; HutH.
DR   InterPro; IPR008948; L-Aspartase-like.
DR   InterPro; IPR022313; Phe/His_NH3-lyase_AS.
DR   PANTHER; PTHR10362; PTHR10362; 1.
DR   Pfam; PF00221; Lyase_aromatic; 1.
DR   SUPFAM; SSF48557; SSF48557; 1.
DR   TIGRFAMs; TIGR01225; hutH; 1.
DR   PROSITE; PS00488; PAL_HISTIDASE; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Histidine metabolism; Lyase; Reference proteome.
FT   CHAIN           1..510
FT                   /note="Histidine ammonia-lyase"
FT                   /id="PRO_1000078229"
FT   MOD_RES         144
FT                   /note="2,3-didehydroalanine (Ser)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00229"
FT   CROSSLNK        143..145
FT                   /note="5-imidazolinone (Ala-Gly)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00229"
SQ   SEQUENCE   510 AA;  53712 MW;  9E224C8ED7860011 CRC64;
     MSHLVLTPGT LTLAQIREIS RGKVTLELAE SAIADINTSA GLVQQVLDEG RTVYGINTGF
     GLLANTKIAA DDLQLLQRSI VLSHAAGTGQ YMQDATVRLM MVLKINSLSR GFSGIRLEVI
     NFLIALVNAG VYPCVPEKGS VGASGDLAPL SHMCLPLLGE GEMSYQGQLI SAAEGLEIAG
     LKPIELAAKE GLALLNGTQA STALALEGLF NAEDLFAASS VIGAMSVEAA MGSRSPFDPR
     IHAARGQKGQ IDSAAVFRHL LGGESEISLD HVNCEKVQDP YSLRCQPQVL GACLTQIRHA
     AEVLGTEANG VTDNPLVFQD TGDIISGGNF HAEPVAMAAD NLAIAIAELG SIAERRIALL
     IDSNLSKLPP FLVENGGVNS GFMIAQVTAA ALASENKTYA HPASVDSLPT SANQEDHVSM
     ATFAARRLRD MSENTRGVLA VELLAAAQGL DFRAPLQPSK AVAQAKGELR ELVSYYDKDR
     FFGPDIEAAT DLLLTASYNA YLPAEILPSL