ID CAPPA_SULIM Reviewed; 511 AA. AC C3MTS7; DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot. DT 16-JUN-2009, sequence version 1. DT 27-MAR-2024, entry version 61. DE RecName: Full=Phosphoenolpyruvate carboxylase {ECO:0000255|HAMAP-Rule:MF_01904}; DE Short=PEPC {ECO:0000255|HAMAP-Rule:MF_01904}; DE Short=PEPCase {ECO:0000255|HAMAP-Rule:MF_01904}; DE EC=4.1.1.31 {ECO:0000255|HAMAP-Rule:MF_01904}; GN Name=ppcA {ECO:0000255|HAMAP-Rule:MF_01904}; GN OrderedLocusNames=M1425_0069; OS Sulfolobus islandicus (strain M.14.25 / Kamchatka #1). OC Archaea; Thermoproteota; Thermoprotei; Sulfolobales; Sulfolobaceae; OC Sulfolobus. OX NCBI_TaxID=427317; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=M.14.25 / Kamchatka #1; RX PubMed=19435847; DOI=10.1073/pnas.0808945106; RA Reno M.L., Held N.L., Fields C.J., Burke P.V., Whitaker R.J.; RT "Biogeography of the Sulfolobus islandicus pan-genome."; RL Proc. Natl. Acad. Sci. U.S.A. 106:8605-8610(2009). CC -!- FUNCTION: Catalyzes the irreversible beta-carboxylation of CC phosphoenolpyruvate (PEP) to form oxaloacetate (OAA), a four-carbon CC dicarboxylic acid source for the tricarboxylic acid cycle. CC {ECO:0000255|HAMAP-Rule:MF_01904}. CC -!- CATALYTIC ACTIVITY: CC Reaction=oxaloacetate + phosphate = hydrogencarbonate + CC phosphoenolpyruvate; Xref=Rhea:RHEA:28370, ChEBI:CHEBI:16452, CC ChEBI:CHEBI:17544, ChEBI:CHEBI:43474, ChEBI:CHEBI:58702; EC=4.1.1.31; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01904}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000255|HAMAP- CC Rule:MF_01904}; CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01904}. CC -!- SIMILARITY: Belongs to the PEPCase type 2 family. {ECO:0000255|HAMAP- CC Rule:MF_01904}. 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; CP001400; ACP36961.1; -; Genomic_DNA. DR RefSeq; WP_012710248.1; NC_012588.1. DR AlphaFoldDB; C3MTS7; -. DR SMR; C3MTS7; -. DR GeneID; 84060555; -. DR KEGG; sia:M1425_0069; -. DR HOGENOM; CLU_517433_0_0_2; -. DR Proteomes; UP000001350; Chromosome. DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0008964; F:phosphoenolpyruvate carboxylase activity; IEA:UniProtKB-UniRule. DR GO; GO:0015977; P:carbon fixation; IEA:UniProtKB-UniRule. DR GO; GO:0006107; P:oxaloacetate metabolic process; IEA:UniProtKB-UniRule. DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:InterPro. DR HAMAP; MF_01904; PEPcase_type2; 1. DR InterPro; IPR007566; PEP_COase_arc-type. DR InterPro; IPR015813; Pyrv/PenolPyrv_Kinase-like_dom. DR NCBIfam; TIGR02751; PEPCase_arch; 1. DR Pfam; PF14010; PEPcase_2; 1. DR PIRSF; PIRSF006677; UCP006677; 1. DR SUPFAM; SSF51621; Phosphoenolpyruvate/pyruvate domain; 1. PE 3: Inferred from homology; KW Carbon dioxide fixation; Lyase; Magnesium. FT CHAIN 1..511 FT /note="Phosphoenolpyruvate carboxylase" FT /id="PRO_1000216174" SQ SEQUENCE 511 AA; 58806 MW; 63438D39932AF2D5 CRC64; MRIIPRTMST QHPDNAKVPE WAKSEVIEGE DEVKEAFLAY SMYGVHEVMW DAEGKDVDTH VVRKLLSNYP DYFREHILGK DVFLTYRLPN PKVEGADRKV FAETMESIPI TYDLAEKFYG NGITVPVFEV ILPMTTSNLE IISVARYYEK AVANEDELEL YNGVKVKDLV GEIYPKVIEV IPLVEDRDSL QNIDNIVEGY YKVIKPKYMR VFLARSDPAM NYGMITAVLS VKIALSELYK LSESLNFEIY PIIGVGSLPF RGHLSPENYE KVLEEYKGVY TYTIQSAFKY DYDYDKVKSA ISSINNSRIG PAKILEKYEE DVLRKITILY TERYQPIIES LANAINDVSV LLPRRRARKL HIGLFGYSRS AGKVSLPRAI SFVGSLYSIG IPPELIGISS LSNLDEKEWD IFKQNYVNFK HDLQTAARFF NWESFELIKD IWKISEDTIA KIKEDIDYAE SVIGIKLGDI DYDSRKHILM SSLFLLSFKE KILQESKKYL YEMALIRRSL G //