ID   PYRI_ECO24              Reviewed;         153 AA.
AC   A7ZVC6;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 75.
DE   RecName: Full=Aspartate carbamoyltransferase regulatory chain {ECO:0000255|HAMAP-Rule:MF_00002};
GN   Name=pyrI {ECO:0000255|HAMAP-Rule:MF_00002};
GN   OrderedLocusNames=EcE24377A_4817;
OS   Escherichia coli O139:H28 (strain E24377A / ETEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331111;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E24377A / ETEC;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(2008).
CC   -!- FUNCTION: Involved in allosteric regulation of aspartate
CC       carbamoyltransferase. {ECO:0000255|HAMAP-Rule:MF_00002}.
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00002};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00002};
CC   -!- SUBUNIT: Contains catalytic and regulatory chains. {ECO:0000255|HAMAP-
CC       Rule:MF_00002}.
CC   -!- SIMILARITY: Belongs to the PyrI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00002}.
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DR   EMBL; CP000800; ABV18942.1; -; Genomic_DNA.
DR   RefSeq; WP_000148581.1; NC_009801.1.
DR   AlphaFoldDB; A7ZVC6; -.
DR   SMR; A7ZVC6; -.
DR   EnsemblBacteria; ABV18942; ABV18942; EcE24377A_4817.
DR   GeneID; 67414869; -.
DR   KEGG; ecw:EcE24377A_4817; -.
DR   HOGENOM; CLU_128576_0_0_6; -.
DR   OMA; CPNRNCI; -.
DR   Proteomes; UP000001122; Chromosome.
DR   GO; GO:0009347; C:aspartate carbamoyltransferase complex; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR   GO; GO:0006221; P:pyrimidine nucleotide biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.70.140; -; 1.
DR   HAMAP; MF_00002; Asp_carb_tr_reg; 1.
DR   InterPro; IPR020545; Asp_carbamoyltransf_reg_N.
DR   InterPro; IPR002801; Asp_carbamoylTrfase_reg.
DR   InterPro; IPR020542; Asp_carbamoyltrfase_reg_C.
DR   InterPro; IPR036792; Asp_carbatrfase_reg_C_sf.
DR   InterPro; IPR036793; Asp_carbatrfase_reg_N_sf.
DR   PANTHER; PTHR35805; PTHR35805; 1.
DR   Pfam; PF01948; PyrI; 1.
DR   Pfam; PF02748; PyrI_C; 1.
DR   SUPFAM; SSF54893; SSF54893; 1.
DR   SUPFAM; SSF57825; SSF57825; 1.
DR   TIGRFAMs; TIGR00240; ATCase_reg; 1.
PE   3: Inferred from homology;
KW   Metal-binding; Pyrimidine biosynthesis; Zinc.
FT   CHAIN           1..153
FT                   /note="Aspartate carbamoyltransferase regulatory chain"
FT                   /id="PRO_1000057014"
FT   BINDING         109
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00002"
FT   BINDING         114
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00002"
FT   BINDING         138
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00002"
FT   BINDING         141
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00002"
SQ   SEQUENCE   153 AA;  17121 MW;  81A1631614E549EA CRC64;
     MTHDNKLQVE AIKRGTVIDH IPAQIGFKLL SLFKLTETDQ RITIGLNLPS GEMGRKDLIK
     IENTFLSEDQ VDQLALYAPQ ATVNRIDNYE VVGKSRPSLP ERIDNVLVCP NSNCISHAEP
     VSSSFAVRKR ANDIALKCKY CEKEFSHNVV LAN