ID   PYRI_PYRIL              Reviewed;         151 AA.
AC   A1RRV1;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 2.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Aspartate carbamoyltransferase regulatory chain {ECO:0000255|HAMAP-Rule:MF_00002};
GN   Name=pyrI {ECO:0000255|HAMAP-Rule:MF_00002}; OrderedLocusNames=Pisl_0505;
OS   Pyrobaculum islandicum (strain DSM 4184 / JCM 9189 / GEO3).
OC   Archaea; Crenarchaeota; Thermoprotei; Thermoproteales; Thermoproteaceae;
OC   Pyrobaculum.
OX   NCBI_TaxID=384616;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 4184 / JCM 9189 / GEO3;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Dalin E., Tice H., Pitluck S., Meincke L., Brettin T.,
RA   Bruce D., Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Lowe T., Richardson P.;
RT   "Complete sequence of Pyrobaculum islandicum DSM 4184.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABL87683.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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; CP000504; ABL87683.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_053240282.1; NC_008701.1.
DR   AlphaFoldDB; A1RRV1; -.
DR   SMR; A1RRV1; -.
DR   STRING; 384616.Pisl_0505; -.
DR   EnsemblBacteria; ABL87683; ABL87683; Pisl_0505.
DR   GeneID; 4617042; -.
DR   KEGG; pis:Pisl_0505; -.
DR   eggNOG; arCOG04229; Archaea.
DR   HOGENOM; CLU_128576_0_0_2; -.
DR   OrthoDB; 101957at2157; -.
DR   Proteomes; UP000002595; 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..151
FT                   /note="Aspartate carbamoyltransferase regulatory chain"
FT                   /id="PRO_0000321509"
FT   BINDING         108
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00002"
FT   BINDING         113
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   151 AA;  16993 MW;  471ADB99F188927D CRC64;
     MSRELIVSKI RSGTVIDHIP AGRALAVLRI LGITGKEGVR IALVMNVESK KLGKKDIIKI
     EDRELTPEEV NIISAVAPTA TINIIEDFRV VRKFKVTPPE VIRGKFKCRN PTCITNAPRE
     PVEPTFYLVR REPPLFICAY CGRYHELSDL I