AC4CH_YERPY
ID AC4CH_YERPY Reviewed; 102 AA.
AC B1JP35;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 25-MAY-2022, entry version 64.
DE RecName: Full=N(4)-acetylcytidine amidohydrolase {ECO:0000255|HAMAP-Rule:MF_00684};
DE Short=ac4C amidohydrolase {ECO:0000255|HAMAP-Rule:MF_00684};
DE EC=3.5.1.135 {ECO:0000255|HAMAP-Rule:MF_00684};
GN OrderedLocusNames=YPK_2444;
OS Yersinia pseudotuberculosis serotype O:3 (strain YPIII).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Yersiniaceae; Yersinia.
OX NCBI_TaxID=502800;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YPIII;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Munk A.C., Brettin T., Detter J.C.,
RA Han C., Tapia R., Schmutz J., Larimer F., Land M., Hauser L.,
RA Challacombe J.F., Green L., Lindler L.E., Nikolich M.P., Richardson P.;
RT "Complete sequence of Yersinia pseudotuberculosis YPIII.";
RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the hydrolysis of N(4)-acetylcytidine (ac4C).
CC {ECO:0000255|HAMAP-Rule:MF_00684}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N(4)-acetylcytidine = acetate + cytidine + H(+);
CC Xref=Rhea:RHEA:62932, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17562, ChEBI:CHEBI:30089, ChEBI:CHEBI:70989;
CC EC=3.5.1.135; Evidence={ECO:0000255|HAMAP-Rule:MF_00684};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N(4)-acetyl-2'-deoxycytidine = 2'-deoxycytidine +
CC acetate + H(+); Xref=Rhea:RHEA:62936, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15698, ChEBI:CHEBI:30089,
CC ChEBI:CHEBI:146133; EC=3.5.1.135; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00684};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N(4)-acetylcytosine = acetate + cytosine + H(+);
CC Xref=Rhea:RHEA:62940, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16040, ChEBI:CHEBI:30089, ChEBI:CHEBI:146134;
CC EC=3.5.1.135; Evidence={ECO:0000255|HAMAP-Rule:MF_00684};
CC -!- SIMILARITY: Belongs to the N(4)-acetylcytidine amidohydrolase family.
CC {ECO:0000255|HAMAP-Rule:MF_00684}.
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DR EMBL; CP000950; ACA68721.1; -; Genomic_DNA.
DR RefSeq; WP_002211086.1; NZ_CP009792.1.
DR AlphaFoldDB; B1JP35; -.
DR SMR; B1JP35; -.
DR EnsemblBacteria; ACA68721; ACA68721; YPK_2444.
DR GeneID; 66841912; -.
DR KEGG; ypy:YPK_2444; -.
DR PATRIC; fig|502800.11.peg.3132; -.
DR OMA; HARQENM; -.
DR GO; GO:0016813; F:hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amidines; IEA:UniProtKB-UniRule.
DR GO; GO:0106251; F:N4-acetylcytidine amidohydrolase activity; IEA:RHEA.
DR HAMAP; MF_00684; ac4C_amidohydr; 1.
DR InterPro; IPR008314; AC4CH.
DR InterPro; IPR007374; ASCH_domain.
DR InterPro; IPR015947; PUA-like_sf.
DR PANTHER; PTHR38088; PTHR38088; 1.
DR Pfam; PF04266; ASCH; 1.
DR PIRSF; PIRSF029143; UCP029143; 1.
DR SMART; SM01022; ASCH; 1.
DR SUPFAM; SSF88697; SSF88697; 1.
PE 3: Inferred from homology;
KW Hydrolase.
FT CHAIN 1..102
FT /note="N(4)-acetylcytidine amidohydrolase"
FT /id="PRO_1000131803"
FT DOMAIN 6..92
FT /note="ASCH"
FT /evidence="ECO:0000255"
FT ACT_SITE 20
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00684"
FT ACT_SITE 23
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00684"
FT ACT_SITE 73
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00684"
SQ SEQUENCE 102 AA; 11852 MW; C1E5D163C7508D0B CRC64;
MNREITFFGR FEADILADRK TITIRDSSES DFRSGEVLRV CRNEDGVFFC HIKVKSVTPV
TLDGLSERHA EQENMSLDEL KKVIKAIYPG LDRFYVIEFT RC
