ID   HUTH_ANADE              Reviewed;         508 AA.
AC   Q2IIV4;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=Adeh_1814;
OS   Anaeromyxobacter dehalogenans (strain 2CP-C).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC   Cystobacterineae; Anaeromyxobacteraceae; Anaeromyxobacter.
OX   NCBI_TaxID=290397;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2CP-C;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Brettin T., Bruce D., Han C., Tapia R.,
RA   Gilna P., Kiss H., Schmutz J., Larimer F., Land M., Kyrpides N.,
RA   Anderson I., Sanford R.A., Ritalahti K.M., Thomas H.S., Kirby J.R.,
RA   Zhulin I.B., Loeffler F.E., Richardson P.;
RT   "Complete sequence of Anaeromyxobacter dehalogenans 2CP-C.";
RL   Submitted (JAN-2006) 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; CP000251; ABC81586.1; -; Genomic_DNA.
DR   RefSeq; WP_011420869.1; NC_007760.1.
DR   AlphaFoldDB; Q2IIV4; -.
DR   SMR; Q2IIV4; -.
DR   STRING; 290397.Adeh_1814; -.
DR   EnsemblBacteria; ABC81586; ABC81586; Adeh_1814.
DR   KEGG; ade:Adeh_1814; -.
DR   eggNOG; COG2986; Bacteria.
DR   HOGENOM; CLU_014801_4_0_7; -.
DR   OMA; CAPQVAG; -.
DR   UniPathway; UPA00379; UER00549.
DR   Proteomes; UP000001935; 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..508
FT                   /note="Histidine ammonia-lyase"
FT                   /id="PRO_0000336582"
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   508 AA;  53101 MW;  52FF0095D52F0AD5 CRC64;
     METLLLDGET LTLEQVRAVA TGAARAALAP AARERVRRSR ALVDARLEDG EAHYGINTGF
     GTLAEVRIPR ADLERLQRNL VLSHAAGVGA PLPLAEARAL VLLRANVLAK GVSGIRERTL
     ELLLAMLERG VVPVVPERGS VGASGDLAPL AHLALVLIGD GEAFLAPPGA AAPPERLPGG
     EALRRAGLEP VVLQPKEGLA LVNGTQAMAA VGTLALLRAE RLAALADLAG AMTLEGLLGS
     HRPFAPEIQA ARGQPGQIEA AAHLRALLAG SELNASHQGP GCHKVQDPYS LRCMPQVHGA
     ARDGIGFCRG VLAREVNAAT DNPLVFPDTG EIVSGGNFHG QPVALALDVL AVAASHLAAI
     SERRVEQLVN PSLSGLPPFL APQHGLNSGF MIAQVTSAAL VSENKVLCHP ASVDSIPSSA
     GREDHVSMGM TAALKARQVV ENVRTCLAIE LLVAAQALDL RAPLRPAQRV ADAHARLRER
     VPHLSEDRAL YRDIEAVSRL VDEGALEL