ID   URE1_AZOSB              Reviewed;         568 AA.
AC   A1KBB4;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=azo3504;
OS   Azoarcus sp. (strain BH72).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Zoogloeaceae;
OC   Azoarcus.
OX   NCBI_TaxID=418699;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BH72;
RX   PubMed=17057704; DOI=10.1038/nbt1243;
RA   Krause A., Ramakumar A., Bartels D., Battistoni F., Bekel T., Boch J.,
RA   Boehm M., Friedrich F., Hurek T., Krause L., Linke B., McHardy A.C.,
RA   Sarkar A., Schneiker S., Syed A.A., Thauer R., Vorhoelter F.-J.,
RA   Weidner S., Puehler A., Reinhold-Hurek B., Kaiser O., Goesmann A.;
RT   "Complete genome of the mutualistic, N2-fixing grass endophyte Azoarcus sp.
RT   strain BH72.";
RL   Nat. Biotechnol. 24:1385-1391(2006).
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; AM406670; CAL96120.1; -; Genomic_DNA.
DR   RefSeq; WP_011767226.1; NC_008702.1.
DR   AlphaFoldDB; A1KBB4; -.
DR   SMR; A1KBB4; -.
DR   STRING; 62928.azo3504; -.
DR   MEROPS; M38.982; -.
DR   EnsemblBacteria; CAL96120; CAL96120; azo3504.
DR   KEGG; aoa:dqs_3647; -.
DR   KEGG; azo:azo3504; -.
DR   eggNOG; COG0804; Bacteria.
DR   HOGENOM; CLU_000980_0_0_4; -.
DR   OMA; GFDSHIH; -.
DR   OrthoDB; 157757at2; -.
DR   UniPathway; UPA00258; UER00370.
DR   Proteomes; UP000002588; 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; Reference proteome.
FT   CHAIN           1..568
FT                   /note="Urease subunit alpha"
FT                   /id="PRO_1000073697"
FT   DOMAIN          130..568
FT                   /note="Urease"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   ACT_SITE        321
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         135
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         137
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         218
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         218
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         220
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         247
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         273
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
FT   BINDING         361
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         218
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01953"
SQ   SEQUENCE   568 AA;  60295 MW;  8CCE7D3F3DF1E3D5 CRC64;
     MAKITRRAYA EMFGPTTGDK LRLADTELII EVEKDYTIYG EEVKFGGGKV IRDGMGQGQQ
     LAAEIADTII TNALIVDAVA GIVKADVGLK DGRIWKIGKG GNPDIQPGVT IPVGAGTEVI
     AGEGMILTAG GIDSHIHWIC PQQIDEALMS GVTTMLGGGT GPATGTYATT CTPGPWHIHR
     MLEAADAFPM NMGFFGKGNA SLPGPLKEQV EAGVIGLKLH EDWGTTPAAI DNCLTVADEM
     DVQVAIHTDT LNESGFVETT LAAFKGRTIH TFHTEGAGGG HAPDIIKAVG QANVLPSSTN
     PTRPYTVNTI DEHLDMLMVC HHLDPAIAED VAFAESRIRR ETIAAEDILH DTGAFSMMSS
     DSQAMGRVGE VVIRTWQTAH KMKVQRGALA EDAGKGNDNF RIKRYIAKYT INPAITHGIA
     HVVGSIEEGK LADLVLWKPA FFGVKPSLIL KGGMIAAAAM GDANASIPTP QPVHYRPMFG
     SYGKALKTSV TFVSQAALAN PAVAALQLSK PLVAVQGCRT VQKADMVHNG ATPAIDVDPE
     TYVVRADGEL LVCEPASELP MAQRYFLF