ID   URE1_RHILO              Reviewed;         570 AA.
AC   Q98CY9;
DT   02-MAY-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   03-AUG-2022, entry version 118.
DE   RecName: Full=Urease subunit alpha {ECO:0000255|HAMAP-Rule:MF_01953};
DE            EC=3.5.1.5 {ECO:0000255|HAMAP-Rule:MF_01953};
DE   AltName: Full=Urea amidohydrolase subunit alpha {ECO:0000255|HAMAP-Rule:MF_01953};
GN   Name=ureC {ECO:0000255|HAMAP-Rule:MF_01953}; OrderedLocusNames=mll4940;
OS   Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099)
OS   (Mesorhizobium loti (strain MAFF 303099)).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Phyllobacteriaceae; Mesorhizobium.
OX   NCBI_TaxID=266835;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LMG 29417 / CECT 9101 / MAFF 303099;
RX   PubMed=11214968; DOI=10.1093/dnares/7.6.331;
RA   Kaneko T., Nakamura Y., Sato S., Asamizu E., Kato T., Sasamoto S.,
RA   Watanabe A., Idesawa K., Ishikawa A., Kawashima K., Kimura T., Kishida Y.,
RA   Kiyokawa C., Kohara M., Matsumoto M., Matsuno A., Mochizuki Y.,
RA   Nakayama S., Nakazaki N., Shimpo S., Sugimoto M., Takeuchi C., Yamada M.,
RA   Tabata S.;
RT   "Complete genome structure of the nitrogen-fixing symbiotic bacterium
RT   Mesorhizobium loti.";
RL   DNA Res. 7:331-338(2000).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H(+) + H2O + urea = CO2 + 2 NH4(+); Xref=Rhea:RHEA:20557,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:16199,
CC         ChEBI:CHEBI:16526, ChEBI:CHEBI:28938; EC=3.5.1.5;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01953};
CC   -!- COFACTOR:
CC       Name=Ni cation; Xref=ChEBI:CHEBI:25516;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01953};
CC       Note=Binds 2 nickel ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01953};
CC   -!- PATHWAY: Nitrogen metabolism; urea degradation; CO(2) and NH(3) from
CC       urea (urease route): step 1/1. {ECO:0000255|HAMAP-Rule:MF_01953}.
CC   -!- SUBUNIT: Heterotrimer of UreA (gamma), UreB (beta) and UreC (alpha)
CC       subunits. Three heterotrimers associate to form the active enzyme.
CC       {ECO:0000255|HAMAP-Rule:MF_01953}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01953}.
CC   -!- PTM: Carboxylation allows a single lysine to coordinate two nickel
CC       ions. {ECO:0000255|HAMAP-Rule:MF_01953}.
CC   -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC       Urease alpha subunit family. {ECO:0000255|HAMAP-Rule:MF_01953}.
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DR   EMBL; BA000012; BAB51482.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q98CY9; -.
DR   SMR; Q98CY9; -.
DR   STRING; 266835.14024880; -.
DR   MEROPS; M38.982; -.
DR   EnsemblBacteria; BAB51482; BAB51482; BAB51482.
DR   KEGG; mlo:mll4940; -.
DR   PATRIC; fig|266835.9.peg.3902; -.
DR   eggNOG; COG0804; Bacteria.
DR   HOGENOM; CLU_000980_0_0_5; -.
DR   OMA; GFDSHIH; -.
DR   OrthoDB; 157757at2; -.
DR   UniPathway; UPA00258; UER00370.
DR   Proteomes; UP000000552; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016151; F:nickel cation binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009039; F:urease activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0043419; P:urea catabolic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd00375; Urease_alpha; 1.
DR   Gene3D; 2.30.40.10; -; 1.
DR   HAMAP; MF_01953; Urease_alpha; 1.
DR   InterPro; IPR006680; Amidohydro-rel.
DR   InterPro; IPR011059; Metal-dep_hydrolase_composite.
DR   InterPro; IPR032466; Metal_Hydrolase.
DR   InterPro; IPR011612; Urease_alpha_N_dom.
DR   InterPro; IPR017950; Urease_AS.
DR   InterPro; IPR005848; Urease_asu.
DR   InterPro; IPR017951; Urease_asu_c.
DR   InterPro; IPR029754; Urease_Ni-bd.
DR   Pfam; PF01979; Amidohydro_1; 1.
DR   Pfam; PF00449; Urease_alpha; 1.
DR   PRINTS; PR01752; UREASE.
DR   SUPFAM; SSF51338; SSF51338; 2.
DR   SUPFAM; SSF51556; SSF51556; 1.
DR   TIGRFAMs; TIGR01792; urease_alph; 1.
DR   PROSITE; PS01120; UREASE_1; 1.
DR   PROSITE; PS00145; UREASE_2; 1.
DR   PROSITE; PS51368; UREASE_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; Metal-binding; Nickel.
FT   CHAIN           1..570
FT                   /note="Urease subunit alpha"
FT                   /id="PRO_0000234177"
FT   DOMAIN          131..570
FT                   /note="Urease"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   ACT_SITE        322
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         136
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         138
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         219
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="1"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         219
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="2"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         221
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         248
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         274
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         362
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   MOD_RES         219
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
SQ   SEQUENCE   570 AA;  60516 MW;  70210B8BCD3D9C42 CRC64;
     MARISRAAYA QMYGPTVGDK VRLADTELFI EVEKDLTIHG EEVKFGGGKV IRDGMGQSQV
     SRAQGAVDTV ITNALVVDAG AGIFKADIGL KDGRIAAIGK AGNPDTQDGV TIIIGPGTEI
     IAGEGKILTA GGFDAHIHFI CPQQIEEALM SGITTMLGGG TGPAHGTLAT TCTPGPWHMA
     RMIQSFDAFP MNIGLSGKGN ASLPAALEEM VLGGACSLKL HEDWGTTPAA IDCCLSVADD
     YDVQVMIHTD TLNESGFVEN TVAAIKGRTI HAFHTEGAGG GHAPDIIKVC GLPNVIPSST
     NPTRPYTVNT LAEHLDMLMV CHHLSPSIPE DIAFAESRIR KETIAAEDIL HDIGAFSIIS
     SDSQAMGRVG EVAIRTWQTA DKMKRQRGAL PQETGDNDNF RVRRYIAKYT INPAIAHGLS
     KDIGSIAVGK RADLVLWNPA FFGVKPDMVL VGGMIAAAPM GDPNASIPTP QPMHYRPMFG
     AYGKARTNSS VTFVSKAALE SGLHGRLGVE KQFVAVENTR GGIGKHSMVL NDATPHVEVD
     PETYEVRADG ELLTCEPATV LPMAQRYFLF