ID ALLB_ECOSE Reviewed; 453 AA. AC B6I0G2; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 16-DEC-2008, sequence version 1. DT 27-MAR-2024, entry version 81. DE RecName: Full=Allantoinase {ECO:0000255|HAMAP-Rule:MF_01645}; DE EC=3.5.2.5 {ECO:0000255|HAMAP-Rule:MF_01645}; DE AltName: Full=Allantoin-utilizing enzyme {ECO:0000255|HAMAP-Rule:MF_01645}; GN Name=allB {ECO:0000255|HAMAP-Rule:MF_01645}; GN OrderedLocusNames=ECSE_0537; OS Escherichia coli (strain SE11). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Escherichia. OX NCBI_TaxID=409438; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=SE11; RX PubMed=18931093; DOI=10.1093/dnares/dsn026; RA Oshima K., Toh H., Ogura Y., Sasamoto H., Morita H., Park S.-H., Ooka T., RA Iyoda S., Taylor T.D., Hayashi T., Itoh K., Hattori M.; RT "Complete genome sequence and comparative analysis of the wild-type RT commensal Escherichia coli strain SE11 isolated from a healthy adult."; RL DNA Res. 15:375-386(2008). CC -!- FUNCTION: Catalyzes the conversion of allantoin (5-ureidohydantoin) to CC allantoic acid by hydrolytic cleavage of the five-member hydantoin CC ring. {ECO:0000255|HAMAP-Rule:MF_01645}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(S)-allantoin + H2O = allantoate + H(+); Xref=Rhea:RHEA:17029, CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15678, CC ChEBI:CHEBI:17536; EC=3.5.2.5; Evidence={ECO:0000255|HAMAP- CC Rule:MF_01645}; CC -!- COFACTOR: CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP- CC Rule:MF_01645}; CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP- CC Rule:MF_01645}; CC -!- PATHWAY: Nitrogen metabolism; (S)-allantoin degradation; allantoate CC from (S)-allantoin: step 1/1. {ECO:0000255|HAMAP-Rule:MF_01645}. CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01645}. CC -!- PTM: Carboxylation allows a single lysine to coordinate two zinc ions. CC {ECO:0000255|HAMAP-Rule:MF_01645}. CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily. CC Allantoinase family. {ECO:0000255|HAMAP-Rule:MF_01645}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AP009240; BAG76061.1; -; Genomic_DNA. DR RefSeq; WP_000006887.1; NC_011415.1. DR AlphaFoldDB; B6I0G2; -. DR SMR; B6I0G2; -. DR GeneID; 75204378; -. DR KEGG; ecy:ECSE_0537; -. DR HOGENOM; CLU_015572_4_2_6; -. DR UniPathway; UPA00395; UER00653. DR Proteomes; UP000008199; Chromosome. DR GO; GO:0004038; F:allantoinase activity; IEA:UniProtKB-UniRule. DR GO; GO:0050897; F:cobalt ion binding; IEA:InterPro. DR GO; GO:0008270; F:zinc ion binding; IEA:InterPro. DR GO; GO:0000256; P:allantoin catabolic process; IEA:UniProtKB-UniRule. DR GO; GO:0006144; P:purine nucleobase metabolic process; IEA:UniProtKB-KW. DR CDD; cd01315; L-HYD_ALN; 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_01645; Hydantoinase; 1. DR InterPro; IPR017593; Allantoinase. DR InterPro; IPR047604; Allantoinase_bact. DR InterPro; IPR006680; Amidohydro-rel. DR InterPro; IPR011059; Metal-dep_hydrolase_composite. DR InterPro; IPR032466; Metal_Hydrolase. DR NCBIfam; TIGR03178; allantoinase; 1. DR PANTHER; PTHR43668; ALLANTOINASE; 1. DR PANTHER; PTHR43668:SF4; ALLANTOINASE; 1. DR Pfam; PF01979; Amidohydro_1; 1. DR SUPFAM; SSF51338; Composite domain of metallo-dependent hydrolases; 1. DR SUPFAM; SSF51556; Metallo-dependent hydrolases; 1. PE 3: Inferred from homology; KW Hydrolase; Metal-binding; Purine metabolism; Zinc. FT CHAIN 1..453 FT /note="Allantoinase" FT /id="PRO_1000186924" FT BINDING 59 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT BINDING 61 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT BINDING 146 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /note="via carbamate group" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT BINDING 146 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="2" FT /note="via carbamate group" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT BINDING 186 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT BINDING 242 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT BINDING 315 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" FT MOD_RES 146 FT /note="N6-carboxylysine" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01645" SQ SEQUENCE 453 AA; 49586 MW; 499E121D99A022A6 CRC64; MSFDLIIKNG TVILENEARV VDIAVKGGKI AAIGQDLGDA KEVMDASGLV VSPGMVDAHT HISEPGRSHW EGYETGTRAA AKGGITTMIE MPLNQLPATV DRASIELKFD AAKGKLTIDA AQLGGLVSYN IDRLHELDEV GVVGFKCFVA TCGDRGIDND FRDVNDWQFF KGAQKLGELG QPVLVHCENA LICDALGEEA KREGRVTAHD YVASRPVFTE VEAIRRVLYL AKVAGCRLHV CHISSPEGVE EVTRARQEGQ DVTCESCPHY FVLDTDQFEE IGTLAKCSPP IRDLENQKGM WEKLFNGEID CLVSDHSPCP PEMKAGNIME AWGGIAGLQN CMDVMFDEAV QKRGMSLPMF GKLMATNAAD IFGLQQKGRI APGKDADFVF IQPNSSYVLT NDDLEYRHKV SPYVGRTIGA RITKTILRGD VIYDIEQGFP VAPKGQFILK HQQ //