ID A0A1H6UB75_9EURY Unreviewed; 570 AA.
AC A0A1H6UB75; A0A2H4PZ95;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 28.
DE RecName: Full=Urease subunit alpha {ECO:0000256|HAMAP-Rule:MF_01953};
DE EC=3.5.1.5 {ECO:0000256|HAMAP-Rule:MF_01953};
DE AltName: Full=Urea amidohydrolase subunit alpha {ECO:0000256|HAMAP-Rule:MF_01953};
GN Name=ureC {ECO:0000256|HAMAP-Rule:MF_01953};
GN ORFNames=SAMN05444271_1119 {ECO:0000313|EMBL:SEI89618.1};
OS Halohasta litchfieldiae.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae; Halohasta.
OX NCBI_TaxID=1073996 {ECO:0000313|EMBL:SEI89618.1, ECO:0000313|Proteomes:UP000198888};
RN [1] {ECO:0000313|EMBL:SEI89618.1, ECO:0000313|Proteomes:UP000198888}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 22187 {ECO:0000313|EMBL:SEI89618.1,
RC ECO:0000313|Proteomes:UP000198888};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
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:0000256|HAMAP-Rule:MF_01953,
CC ECO:0000256|RuleBase:RU000510};
CC -!- COFACTOR:
CC Name=Ni cation; Xref=ChEBI:CHEBI:25516;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01953,
CC ECO:0000256|PIRSR:PIRSR611612-51, ECO:0000256|RuleBase:RU000510};
CC Note=Binds 2 nickel ions per subunit. {ECO:0000256|HAMAP-Rule:MF_01953,
CC ECO:0000256|PIRSR:PIRSR611612-51, ECO:0000256|RuleBase:RU000510};
CC -!- PATHWAY: Nitrogen metabolism; urea degradation; CO(2) and NH(3) from
CC urea (urease route): step 1/1. {ECO:0000256|ARBA:ARBA00004897,
CC ECO:0000256|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:0000256|HAMAP-Rule:MF_01953}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01953}.
CC -!- PTM: Carbamylation allows a single lysine to coordinate two nickel
CC ions. {ECO:0000256|PIRSR:PIRSR611612-50}.
CC -!- PTM: Carboxylation allows a single lysine to coordinate two nickel
CC ions. {ECO:0000256|HAMAP-Rule:MF_01953}.
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC Urease alpha subunit family. {ECO:0000256|HAMAP-Rule:MF_01953,
CC ECO:0000256|RuleBase:RU004158}.
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DR EMBL; FNYR01000011; SEI89618.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H6UB75; -.
DR STRING; 1073996.SAMN05444271_1119; -.
DR OrthoDB; 42542at2157; -.
DR UniPathway; UPA00258; UER00370.
DR Proteomes; UP000198888; Unassembled WGS sequence.
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; 3.20.20.140; Metal-dependent hydrolases; 1.
DR Gene3D; 2.30.40.10; Urease, subunit C, domain 1; 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 NCBIfam; TIGR01792; urease_alph; 1.
DR PANTHER; PTHR43440; UREASE; 1.
DR PANTHER; PTHR43440:SF1; UREASE; 1.
DR Pfam; PF01979; Amidohydro_1; 1.
DR Pfam; PF00449; Urease_alpha; 1.
DR PRINTS; PR01752; UREASE.
DR SUPFAM; SSF51338; Composite domain of metallo-dependent hydrolases; 2.
DR SUPFAM; SSF51556; Metallo-dependent hydrolases; 1.
DR PROSITE; PS00145; UREASE_2; 1.
DR PROSITE; PS51368; UREASE_3; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01953};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01953};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01953};
KW Nickel {ECO:0000256|ARBA:ARBA00022596, ECO:0000256|HAMAP-Rule:MF_01953};
KW Reference proteome {ECO:0000313|Proteomes:UP000198888}.
FT DOMAIN 135..570
FT /note="Urease"
FT /evidence="ECO:0000259|PROSITE:PS51368"
FT ACT_SITE 322
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-52"
FT BINDING 140
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
FT BINDING 142
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
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:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
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:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
FT BINDING 221
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PROSITE-ProRule:PRU00700"
FT BINDING 248
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
FT BINDING 274
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
FT BINDING 362
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-51"
FT MOD_RES 219
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01953,
FT ECO:0000256|PIRSR:PIRSR611612-50"
SQ SEQUENCE 570 AA; 61308 MW; 665EF5FABD73488B CRC64;
MSRELSREAY TSLFGATKGD RVRLGDTNLL AEIEHDHTTY GDEAVFGGGK TMRDGMGMQP
GTTQAEGALD YVYTNVVLID PVLGVQKGDL GVRNGEVAGF GKAGNPDTMD GVDENLVIGV
STDTVPADGL IATPGALDIH VHFNSKELFE HALASGVTTM MGGGFGGGAT TCTPGPENIK
RFLQAAEEYP MNVGFYAKGN SSQPEPIIEQ IEAGACGLKL HEDWGSTPAV IDTALTVADE
EDVQVCIHTD TLNESGFVED TFDAIDGRTI HTFHIEGAGG GHAPDVLELI GHEHMLPSST
NPSMPYTTNT FDEHLDMVMV CHHLNPDVPE DVAFAESRIR SETIAAEDVL HDMGAISMMT
SDSQAMGRMA EVICRTWQTA HKMKAQRGPL PGDEGMGADN SRIQRYIAKY TLNPAKVAGI
DQYIGSLETG KMADIALWEP AFFGIKPKYV IKNGFPVHSE MGEANGSLMT CEPVMQRSRE
GAVGKAKNAL STTFVSQAAY ENGIGEELDL DSTVRPVEGT RDVGKSDMLH NDYCPDDIEI
DAQTFEVEVD GEHVTCEPAE ELPLAQRYTL
//