ID A0A4D6XVC8_9GAMM Unreviewed; 1079 AA. AC A0A4D6XVC8; DT 31-JUL-2019, integrated into UniProtKB/TrEMBL. DT 31-JUL-2019, sequence version 1. DT 02-OCT-2024, entry version 19. DE RecName: Full=Carbamoyl phosphate synthase large chain {ECO:0000256|HAMAP-Rule:MF_01210}; DE EC=6.3.4.16 {ECO:0000256|HAMAP-Rule:MF_01210}; DE EC=6.3.5.5 {ECO:0000256|HAMAP-Rule:MF_01210}; DE AltName: Full=Carbamoyl phosphate synthetase ammonia chain {ECO:0000256|HAMAP-Rule:MF_01210}; GN Name=carB {ECO:0000256|HAMAP-Rule:MF_01210}; GN ORFNames=D9V61_00720 {ECO:0000313|EMBL:QCI17551.1}; OS Buchnera aphidicola (Acyrthosiphon lactucae). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Erwiniaceae; Buchnera. OX NCBI_TaxID=1241832 {ECO:0000313|EMBL:QCI17551.1, ECO:0000313|Proteomes:UP000298660}; RN [1] {ECO:0000313|EMBL:QCI17551.1, ECO:0000313|Proteomes:UP000298660} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Ala {ECO:0000313|EMBL:QCI17551.1, RC ECO:0000313|Proteomes:UP000298660}; RA Chong R.A.; RL Submitted (DEC-2018) to the EMBL/GenBank/DDBJ databases. RN [2] {ECO:0000313|EMBL:QCI17551.1, ECO:0000313|Proteomes:UP000298660} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Ala {ECO:0000313|EMBL:QCI17551.1, RC ECO:0000313|Proteomes:UP000298660}; RA Moran N.A.; RT "Genome evolution of the obligate endosymbiont Buchnera aphidicola."; RL Submitted (MAY-2019) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Large subunit of the glutamine-dependent carbamoyl phosphate CC synthetase (CPSase). CPSase catalyzes the formation of carbamoyl CC phosphate from the ammonia moiety of glutamine, carbonate, and CC phosphate donated by ATP, constituting the first step of 2 biosynthetic CC pathways, one leading to arginine and/or urea and the other to CC pyrimidine nucleotides. The large subunit (synthetase) binds the CC substrates ammonia (free or transferred from glutamine from the small CC subunit), hydrogencarbonate and ATP and carries out an ATP-coupled CC ligase reaction, activating hydrogencarbonate by forming carboxy CC phosphate which reacts with ammonia to form carbamoyl phosphate. CC {ECO:0000256|HAMAP-Rule:MF_01210}. CC -!- CATALYTIC ACTIVITY: CC Reaction=2 ATP + H2O + hydrogencarbonate + L-glutamine = 2 ADP + CC carbamoyl phosphate + 2 H(+) + L-glutamate + phosphate; CC Xref=Rhea:RHEA:18633, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:17544, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616, CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58228, ChEBI:CHEBI:58359, CC ChEBI:CHEBI:456216; EC=6.3.5.5; Evidence={ECO:0000256|HAMAP- CC Rule:MF_01210}; CC -!- CATALYTIC ACTIVITY: CC Reaction=2 ATP + hydrogencarbonate + NH4(+) = 2 ADP + carbamoyl CC phosphate + 2 H(+) + phosphate; Xref=Rhea:RHEA:18029, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17544, ChEBI:CHEBI:28938, CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58228, CC ChEBI:CHEBI:456216; EC=6.3.4.16; CC Evidence={ECO:0000256|ARBA:ARBA00043687, ECO:0000256|HAMAP- CC Rule:MF_01210}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; CC Evidence={ECO:0000256|HAMAP-Rule:MF_01210}; CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035; CC Evidence={ECO:0000256|HAMAP-Rule:MF_01210}; CC Note=Binds 4 Mg(2+) or Mn(2+) ions per subunit. {ECO:0000256|HAMAP- CC Rule:MF_01210}; CC -!- PATHWAY: Amino-acid biosynthesis; L-arginine biosynthesis; carbamoyl CC phosphate from bicarbonate: step 1/1. {ECO:0000256|ARBA:ARBA00005077, CC ECO:0000256|HAMAP-Rule:MF_01210}. CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway; CC (S)-dihydroorotate from bicarbonate: step 1/3. {ECO:0000256|HAMAP- CC Rule:MF_01210}. CC -!- SUBUNIT: Composed of two chains; the small (or glutamine) chain CC promotes the hydrolysis of glutamine to ammonia, which is used by the CC large (or ammonia) chain to synthesize carbamoyl phosphate. Tetramer of CC heterodimers (alpha,beta)4. {ECO:0000256|HAMAP-Rule:MF_01210}. CC -!- DOMAIN: The large subunit is composed of 2 ATP-grasp domains that are CC involved in binding the 2 ATP molecules needed for carbamoyl phosphate CC synthesis. The N-terminal ATP-grasp domain (referred to as the CC carboxyphosphate synthetic component) catalyzes the ATP-dependent CC phosphorylation of hydrogencarbonate to carboxyphosphate and the CC subsequent nucleophilic attack by ammonia to form a carbamate CC intermediate. The C-terminal ATP-grasp domain (referred to as the CC carbamoyl phosphate synthetic component) then catalyzes the CC phosphorylation of carbamate with the second ATP to form the end CC product carbamoyl phosphate. The reactive and unstable enzyme CC intermediates are sequentially channeled from one active site to the CC next through the interior of the protein over a distance of at least 96 CC A. {ECO:0000256|HAMAP-Rule:MF_01210}. CC -!- SIMILARITY: Belongs to the CarB family. {ECO:0000256|ARBA:ARBA00009799, CC ECO:0000256|HAMAP-Rule:MF_01210}. 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; CP034891; QCI17551.1; -; Genomic_DNA. DR AlphaFoldDB; A0A4D6XVC8; -. DR OrthoDB; 9804197at2; -. DR UniPathway; UPA00068; UER00171. DR UniPathway; UPA00070; UER00115. DR Proteomes; UP000298660; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:TreeGrafter. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule. DR GO; GO:0004087; F:carbamoyl-phosphate synthase (ammonia) activity; IEA:RHEA. DR GO; GO:0004088; F:carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity; IEA:UniProtKB-UniRule. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway. DR GO; GO:0006526; P:arginine biosynthetic process; IEA:UniProtKB-UniRule. DR GO; GO:0006541; P:glutamine metabolic process; IEA:TreeGrafter. DR CDD; cd01424; MGS_CPS_II; 1. DR Gene3D; 3.40.50.20; -; 2. DR Gene3D; 3.30.470.20; ATP-grasp fold, B domain; 2. DR Gene3D; 1.10.1030.10; Carbamoyl-phosphate synthetase, large subunit oligomerisation domain; 1. DR Gene3D; 3.40.50.1380; Methylglyoxal synthase-like domain; 1. DR HAMAP; MF_01210_B; CPSase_L_chain_B; 1. DR InterPro; IPR011761; ATP-grasp. DR InterPro; IPR006275; CarbamoylP_synth_lsu. DR InterPro; IPR005480; CarbamoylP_synth_lsu_oligo. DR InterPro; IPR036897; CarbamoylP_synth_lsu_oligo_sf. DR InterPro; IPR005479; CbamoylP_synth_lsu-like_ATP-bd. DR InterPro; IPR005483; CbamoylP_synth_lsu_CPSase_dom. DR InterPro; IPR011607; MGS-like_dom. DR InterPro; IPR036914; MGS-like_dom_sf. DR InterPro; IPR033937; MGS_CPS_CarB. DR InterPro; IPR016185; PreATP-grasp_dom_sf. DR NCBIfam; TIGR01369; CPSaseII_lrg; 1. DR PANTHER; PTHR11405:SF5; CAD PROTEIN; 1. DR PANTHER; PTHR11405; CARBAMOYLTRANSFERASE FAMILY MEMBER; 1. DR Pfam; PF02786; CPSase_L_D2; 2. DR Pfam; PF02787; CPSase_L_D3; 1. DR Pfam; PF02142; MGS; 1. DR PRINTS; PR00098; CPSASE. DR SMART; SM01096; CPSase_L_D3; 1. DR SMART; SM00851; MGS; 1. DR SUPFAM; SSF48108; Carbamoyl phosphate synthetase, large subunit connection domain; 1. DR SUPFAM; SSF56059; Glutathione synthetase ATP-binding domain-like; 2. DR SUPFAM; SSF52335; Methylglyoxal synthase-like; 1. DR SUPFAM; SSF52440; PreATP-grasp domain; 2. DR PROSITE; PS50975; ATP_GRASP; 2. DR PROSITE; PS00866; CPSASE_1; 2. DR PROSITE; PS00867; CPSASE_2; 2. DR PROSITE; PS51855; MGS; 1. DR PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1. PE 3: Inferred from homology; KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP- KW Rule:MF_01210}; KW Arginine biosynthesis {ECO:0000256|ARBA:ARBA00022571, ECO:0000256|HAMAP- KW Rule:MF_01210}; KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP- KW Rule:MF_01210}; KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_01210}; KW Magnesium {ECO:0000256|ARBA:ARBA00022842}; KW Manganese {ECO:0000256|ARBA:ARBA00023211}; KW Metal-binding {ECO:0000256|ARBA:ARBA00022723}; KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP- KW Rule:MF_01210}; KW Pyrimidine biosynthesis {ECO:0000256|ARBA:ARBA00022975, ECO:0000256|HAMAP- KW Rule:MF_01210}; KW Repeat {ECO:0000256|ARBA:ARBA00022737, ECO:0000256|HAMAP-Rule:MF_01210}. FT DOMAIN 133..328 FT /note="ATP-grasp" FT /evidence="ECO:0000259|PROSITE:PS50975" FT DOMAIN 679..870 FT /note="ATP-grasp" FT /evidence="ECO:0000259|PROSITE:PS50975" FT DOMAIN 937..1079 FT /note="MGS-like" FT /evidence="ECO:0000259|PROSITE:PS51855" FT REGION 1..403 FT /note="Carboxyphosphate synthetic domain" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT REGION 404..553 FT /note="Oligomerization domain" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT REGION 554..936 FT /note="Carbamoyl phosphate synthetic domain" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT REGION 937..1079 FT /note="Allosteric domain" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 129 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 169 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 175 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 176 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 208 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 210 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 215 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 241 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 242 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 243 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 285 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 285 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 285 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 299 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 299 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 299 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 299 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 299 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="1" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 301 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 301 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 715 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 754 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 756 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 761 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 786 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 787 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 788 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 789 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 829 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 829 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="3" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 829 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="3" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 841 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /ligand_label="2" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 841 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="4" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 841 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="3" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 841 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="4" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 841 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="3" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 843 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="4" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" FT BINDING 843 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /ligand_label="4" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01210" SQ SEQUENCE 1079 AA; 120621 MW; AE9B5B2D38E71B29 CRC64; MPKSTDIKSI LILGAGPIVI GQACEFDYSG AQACKALKEE GYKIILVNSN PATIMTDPCM ADSTYIEPIH WKIVEKIIQK EKPDALLPTM GGQTALNCAL KLDQKGVLKT HGVKIIGATV NAIKKAENRK LFEHSMKKLN LETAKCGIAH NIQEAFLVLN DVGFPCIIRP SFTMGGHGGG IAYNHEEFEK ICERGLKLSP NTELLIDESL IGWKEYEMEV VRDRNDNCII VCSIENLDPM GIHTGDSITV APAQTLTDKE YQVMRNASMA ILREIGVETG GSNVQFAINP KNGRMIVIEM NPRVSRSSAL ASKATGFPIA KIAAKLAIGY TLDELTNDIT GMNTTASFEP SIDYIVTKIP RFNFEKFPGC DDRLTTQMKS VGEVMAIGRT FQESIQKAIR GLELGVSGFD SKISHLDPEY LIKIRRELKD AGSERIWYIG DAFRSGMSVN DVFNLTSIDP WFLVQIEEII QLENKIIKNG FLGLKYDFFY LIKRKGFSDQ RIAILTQKNE SQIRELRYKL NLHPVYKRID TCSAEFSTET AYMYSTWEDE CESYPNKNNK KIIILGGGPN RIGQGIEFDY CCVHAAQALR EDGFEAIMIN CNPETVSTDY DISDRLYFEP ITLENVLEIV RIEKPRGIII QYGGQTPLKL AREFEKEGVP IIGTSPDSID KAEDRDRFQK IVTKLKLQQP LNATVLTLDE AYKQAEIIGY PIMVRPSYVL GGRAMEIVYE QYGLKNYFKT VLKENNTTPI LLDQYLNYAT EVDVDAVCDG KTVLIGGIME HIEQAGVHSG DSACSLPVYT LTNKVQNEIR KQVTKLAFEL SVKGLMNVQF AIKRNIIYII EVNPRAARTV PFISKATGLA LAKISARVMY GKTLLEQGFI KEIIPPYFSV KEAVLPFDKF QGVDPILGPE MRSTGEVMGM GKNFSEAFSK AMLGAHTNMK KSGRILLSVR DDDKNNIVNL AVKLKKIGFK IDATKGTSIA LRKSGISSRL VNKVHEGRPH IQDRLKNGEY SYIVNTTSSH QGIKDSKLIC RSALQYKVHY DTTVNGAFAT VMALNENPIK NIKSLQEMHK KIKLFYKKK //