AC4CH_SHEB5
ID AC4CH_SHEB5 Reviewed; 105 AA.
AC A3D5K4;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 20-MAR-2007, sequence version 1.
DT 25-MAY-2022, entry version 66.
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=Sbal_2524;
OS Shewanella baltica (strain OS155 / ATCC BAA-1091).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Shewanellaceae; Shewanella.
OX NCBI_TaxID=325240;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OS155 / ATCC BAA-1091;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Sims D.R., Brettin T., Bruce D., Han C., Tapia R., Brainard J., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Brettar I.,
RA Klappenbach J., Konstantinidis K., Rodrigues J., Tiedje J., Richardson P.;
RT "Complete sequence of chromosome of Shewanella baltica OS155.";
RL Submitted (FEB-2007) 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; CP000563; ABN62017.1; -; Genomic_DNA.
DR RefSeq; WP_011847028.1; NC_009052.1.
DR AlphaFoldDB; A3D5K4; -.
DR SMR; A3D5K4; -.
DR STRING; 325240.Sbal_2524; -.
DR EnsemblBacteria; ABN62017; ABN62017; Sbal_2524.
DR KEGG; sbl:Sbal_2524; -.
DR HOGENOM; CLU_152586_0_0_6; -.
DR OMA; HARQENM; -.
DR Proteomes; UP000001557; Chromosome.
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..105
FT /note="N(4)-acetylcytidine amidohydrolase"
FT /id="PRO_1000044953"
FT DOMAIN 7..93
FT /note="ASCH"
FT /evidence="ECO:0000255"
FT ACT_SITE 21
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00684"
FT ACT_SITE 24
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00684"
FT ACT_SITE 74
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00684"
SQ SEQUENCE 105 AA; 12306 MW; A9F0FBACF9C76171 CRC64;
MLLNKITFFE RFEHDILSGA KTITLRDEAE SHVITGQILP VSTFETDRWF CDIQIIDVTP
VKLTELTEMH AKQENMTLPQ LRDVIAEIYP GLEQLFMIRF RILLQ
