ID HUTH_CAUSK Reviewed; 511 AA.
AC B0SYU6;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 27-MAR-2024, 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=Caul_1297;
OS Caulobacter sp. (strain K31).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Caulobacterales;
OC Caulobacteraceae; Caulobacter.
OX NCBI_TaxID=366602;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K31;
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., Bruce D., Goodwin L., Thompson L.S., Brettin T.,
RA Detter J.C., Han C., Schmutz J., Larimer F., Land M., Hauser L.,
RA Kyrpides N., Kim E., Stephens C., Richardson P.;
RT "Complete sequence of chromosome of Caulobacter sp. K31.";
RL Submitted (JAN-2008) 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; CP000927; ABZ70427.1; -; Genomic_DNA.
DR AlphaFoldDB; B0SYU6; -.
DR SMR; B0SYU6; -.
DR STRING; 366602.Caul_1297; -.
DR KEGG; cak:Caul_1297; -.
DR eggNOG; COG2986; Bacteria.
DR HOGENOM; CLU_014801_4_0_5; -.
DR OrthoDB; 9806955at2; -.
DR UniPathway; UPA00379; UER00549.
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; 1.20.200.10; Fumarase/aspartase (Central domain); 1.
DR Gene3D; 1.10.275.10; Fumarase/aspartase (N-terminal domain); 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 NCBIfam; TIGR01225; hutH; 1.
DR PANTHER; PTHR10362; HISTIDINE AMMONIA-LYASE; 1.
DR PANTHER; PTHR10362:SF7; HISTIDINE AMMONIA-LYASE; 1.
DR Pfam; PF00221; Lyase_aromatic; 1.
DR SUPFAM; SSF48557; L-aspartase-like; 1.
DR PROSITE; PS00488; PAL_HISTIDASE; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Histidine metabolism; Lyase.
FT CHAIN 1..511
FT /note="Histidine ammonia-lyase"
FT /id="PRO_1000078224"
FT MOD_RES 143
FT /note="2,3-didehydroalanine (Ser)"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00229"
FT CROSSLNK 142..144
FT /note="5-imidazolinone (Ala-Gly)"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00229"
SQ SEQUENCE 511 AA; 52671 MW; A3064A474C4816EF CRC64;
MIEVVLNPGE VSLSDWKAVY RGAPARLNES AGPVIAQSAA AVERILAKGA PVYGINTGFG
KLASVRIGDA DLETLQRNIV LSHAAGTGAP SPVAVIRLMM ALKLASLAQG ASGVRPATTD
LLEAMIVKGL TPVVPCQGSV GASGDLAPLA HMAATMIGVG EIFVEGQRLP AVQALMEAGL
KPLTLGPKEG LALLNGTQFS TANALAALFD AERLFQSALV TGALATEAAK GSDTPFDPRI
HTLRRQPGQI ETAAALRALM AGSAIRDSHR EGDTRVQDPY CLRCQPQVMG AALDILRQAA
VTLSTEANGV SDNPLIFPDT DEALSGGNFH AEPVAFAADI IALAVCEIGS IAERRIAMLV
DPACSGLPAF LTPKPGLNSG FMIPQVTAAA LVSENKQKAY PASVDSIPTS ANQEDHVSMA
AHGARRLLAM VEAAEAVIGI ELLAAVQGCD FHAPLASSPA LESVRGLLRA QVPHLSDDRH
FHPDMEAANA LVRSGAVVAA ASSVELPGVE G
//
