ID ASSY_PROM3 Reviewed; 401 AA. AC A2CE29; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 20-FEB-2007, sequence version 1. DT 02-SEP-2026, entry version 97. DE RecName: Full=Argininosuccinate synthase {ECO:0000255|HAMAP-Rule:MF_00005}; DE EC=6.3.4.5 {ECO:0000255|HAMAP-Rule:MF_00005}; DE AltName: Full=Citrulline--aspartate ligase {ECO:0000255|HAMAP-Rule:MF_00005}; GN Name=argG {ECO:0000255|HAMAP-Rule:MF_00005}; GN OrderedLocusNames=P9303_30091; OS Prochlorococcus marinus (strain MIT 9303). OC Bacteria; Bacillati; Cyanobacteriota; Cyanophyceae; Synechococcales; OC Prochlorococcaceae; Prochlorococcus. OX NCBI_TaxID=59922; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=MIT 9303; RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231; RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S., RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M., RA Richardson P., Chisholm S.W.; RT "Patterns and implications of gene gain and loss in the evolution of RT Prochlorococcus."; RL PLoS Genet. 3:2515-2528(2007). CC -!- CATALYTIC ACTIVITY: CC Reaction=L-citrulline + L-aspartate + ATP = 2-(N(omega)-L- CC arginino)succinate + AMP + diphosphate + H(+); Xref=Rhea:RHEA:10932, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29991, ChEBI:CHEBI:30616, CC ChEBI:CHEBI:33019, ChEBI:CHEBI:57472, ChEBI:CHEBI:57743, CC ChEBI:CHEBI:456215; EC=6.3.4.5; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00005}; CC -!- PATHWAY: Amino-acid biosynthesis; L-arginine biosynthesis; L-arginine CC from L-ornithine and carbamoyl phosphate: step 2/3. {ECO:0000255|HAMAP- CC Rule:MF_00005}. CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00005}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00005}. CC -!- SIMILARITY: Belongs to the argininosuccinate synthase family. Type 1 CC subfamily. {ECO:0000255|HAMAP-Rule:MF_00005}. 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; CP000554; ABM79739.1; -; Genomic_DNA. DR RefSeq; WP_011827577.1; NC_008820.1. DR AlphaFoldDB; A2CE29; -. DR SMR; A2CE29; -. DR STRING; 59922.P9303_30091; -. DR KEGG; pmf:P9303_30091; -. DR HOGENOM; CLU_032784_4_2_3; -. DR BioCyc; PMAR59922:G1G80-2643-MONOMER; -. DR UniPathway; UPA00068; UER00113. DR Proteomes; UP000002274; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0004055; F:argininosuccinate synthase activity; IEA:UniProtKB-UniRule. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule. DR GO; GO:0006526; P:L-arginine biosynthetic process; IEA:UniProtKB-UniRule. DR GO; GO:0000050; P:urea cycle; IEA:TreeGrafter. DR CDD; cd01999; ASS; 1. DR FunFam; 3.40.50.620:FF:000019; Argininosuccinate synthase; 1. DR FunFam; 3.90.1260.10:FF:000007; Argininosuccinate synthase; 1. DR Gene3D; 3.90.1260.10; Argininosuccinate synthetase, chain A, domain 2; 1. DR Gene3D; 3.40.50.620; HUPs; 1. DR Gene3D; 1.20.5.470; Single helix bin; 1. DR HAMAP; MF_00005; Arg_succ_synth_type1; 1. DR InterPro; IPR048268; Arginosuc_syn_C. DR InterPro; IPR048267; Arginosuc_syn_N. DR InterPro; IPR001518; Arginosuc_synth. DR InterPro; IPR018223; Arginosuc_synth_CS. DR InterPro; IPR023434; Arginosuc_synth_type_1_subfam. DR InterPro; IPR024074; AS_cat/multimer_dom_body. DR InterPro; IPR014729; Rossmann-like_a/b/a_fold. DR NCBIfam; TIGR00032; argG; 1. DR NCBIfam; NF001770; PRK00509.1; 1. DR PANTHER; PTHR11587; ARGININOSUCCINATE SYNTHASE; 1. DR PANTHER; PTHR11587:SF2; ARGININOSUCCINATE SYNTHASE; 1. DR Pfam; PF20979; Arginosuc_syn_C; 1. DR Pfam; PF00764; Arginosuc_synth; 1. DR SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1. DR SUPFAM; SSF69864; Argininosuccinate synthetase, C-terminal domain; 1. DR PROSITE; PS00564; ARGININOSUCCIN_SYN_1; 1. DR PROSITE; PS00565; ARGININOSUCCIN_SYN_2; 1. PE 3: Inferred from homology; KW Amino-acid biosynthesis; Arginine biosynthesis; ATP-binding; Cytoplasm; KW Ligase; Nucleotide-binding; Reference proteome. FT CHAIN 1..401 FT /note="Argininosuccinate synthase" FT /id="PRO_1000000419" FT BINDING 10..18 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 38 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 89 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 119 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 121 FT /ligand="L-aspartate" FT /ligand_id="ChEBI:CHEBI:29991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 125 FT /ligand="L-aspartate" FT /ligand_id="ChEBI:CHEBI:29991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 125 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 126 FT /ligand="L-aspartate" FT /ligand_id="ChEBI:CHEBI:29991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 129 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 177 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 186 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 262 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" FT BINDING 274 FT /ligand="L-citrulline" FT /ligand_id="ChEBI:CHEBI:57743" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00005" SQ SEQUENCE 401 AA; 43913 MW; DCE42908F6A1A7A7 CRC64; MGRAKKVVLA YSGGVDTSVC IPYLKHEWGV DEVITFAADL GQGDELDPIR LKALDAGASQ SLVGDLIEPF VEEFALPAIR ANALYEGRYP LSTALARPLI ARRLVEVARE VGADAVAHGC TGKGNDQVRF DLAIAALAPD LKVLTPAREW SMSREEAIAY GERCGIPAPV SKKSPYSIDL NLLGRSIEAG PLEDPMVAPP EEVFAMTSSI DAAPSQAQDI EIRFEAGNPV AIDGVRLDSV GLIKEANRLA GRHGFGRLDI IENRVVGIKS REIYETPGLL LLIRAHQELE SLTLAADVLR MKRQLEMQWA ELVYQGLWFS PLKDALDGFM DRTQIYVNGL VRIRLHKGNA MVIGRSSDTN SLYISEMATY GSEDNFDHRA AEGFIYIWGL PSRLWAAARR G //