ID A0A078IRM7_BRANA Unreviewed; 491 AA.
AC A0A078IRM7;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=Adenylosuccinate synthetase, chloroplastic {ECO:0000256|HAMAP-Rule:MF_03125};
DE Short=AMPSase {ECO:0000256|HAMAP-Rule:MF_03125};
DE Short=AdSS {ECO:0000256|HAMAP-Rule:MF_03125};
DE EC=6.3.4.4 {ECO:0000256|HAMAP-Rule:MF_03125};
DE AltName: Full=IMP--aspartate ligase {ECO:0000256|HAMAP-Rule:MF_03125};
GN Name=BnaC04g55430D {ECO:0000313|EMBL:CDY52094.1};
GN Synonyms=PURA {ECO:0000256|HAMAP-Rule:MF_03125};
GN ORFNames=DARMORV10_C04P34820.1 {ECO:0000313|EMBL:CAF1849105.1},
GN GSBRNA2T00004899001 {ECO:0000313|EMBL:CDY52094.1};
OS Brassica napus (Rape).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; malvids; Brassicales; Brassicaceae; Brassiceae; Brassica.
OX NCBI_TaxID=3708 {ECO:0000313|EMBL:CDY52094.1, ECO:0000313|Proteomes:UP000028999};
RN [1] {ECO:0000313|EMBL:CDY52094.1, ECO:0000313|Proteomes:UP000028999}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Darmor-bzh {ECO:0000313|Proteomes:UP000028999};
RX PubMed=25146293; DOI=10.1126/science.1253435;
RA Chalhoub B., Denoeud F., Liu S., Parkin I.A., Tang H., Wang X., Chiquet J.,
RA Belcram H., Tong C., Samans B., Correa M., Da Silva C., Just J.,
RA Falentin C., Koh C.S., Le Clainche I., Bernard M., Bento P., Noel B.,
RA Labadie K., Alberti A., Charles M., Arnaud D., Guo H., Daviaud C.,
RA Alamery S., Jabbari K., Zhao M., Edger P.P., Chelaifa H., Tack D.,
RA Lassalle G., Mestiri I., Schnel N., Le Paslier M.C., Fan G., Renault V.,
RA Bayer P.E., Golicz A.A., Manoli S., Lee T.H., Thi V.H., Chalabi S., Hu Q.,
RA Fan C., Tollenaere R., Lu Y., Battail C., Shen J., Sidebottom C.H.,
RA Wang X., Canaguier A., Chauveau A., Berard A., Deniot G., Guan M., Liu Z.,
RA Sun F., Lim Y.P., Lyons E., Town C.D., Bancroft I., Wang X., Meng J.,
RA Ma J., Pires J.C., King G.J., Brunel D., Delourme R., Renard M., Aury J.M.,
RA Adams K.L., Batley J., Snowdon R.J., Tost J., Edwards D., Zhou Y., Hua W.,
RA Sharpe A.G., Paterson A.H., Guan C., Wincker P.;
RT "Plant genetics. Early allopolyploid evolution in the post-Neolithic
RT Brassica napus oilseed genome.";
RL Science 345:950-953(2014).
RN [2] {ECO:0000313|EMBL:CDY52094.1}
RP NUCLEOTIDE SEQUENCE.
RA Genoscope - CEA;
RL Submitted (JUN-2014) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|EMBL:CAF1849105.1}
RP NUCLEOTIDE SEQUENCE.
RG Genoscope - CEA;
RA William W.;
RL Submitted (JAN-2021) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Plays an important role in the de novo pathway and in the
CC salvage pathway of purine nucleotide biosynthesis. Catalyzes the first
CC commited step in the biosynthesis of AMP from IMP. {ECO:0000256|HAMAP-
CC Rule:MF_03125}.
CC -!- FUNCTION: Plays an important role in the de novo pathway of purine
CC nucleotide biosynthesis. {ECO:0000256|RuleBase:RU000520}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=GTP + IMP + L-aspartate = GDP + 2 H(+) + N(6)-(1,2-
CC dicarboxyethyl)-AMP + phosphate; Xref=Rhea:RHEA:15753,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29991, ChEBI:CHEBI:37565,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57567, ChEBI:CHEBI:58053,
CC ChEBI:CHEBI:58189; EC=6.3.4.4; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03125, ECO:0000256|RuleBase:RU000520};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03125};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_03125};
CC -!- PATHWAY: Purine metabolism; AMP biosynthesis via de novo pathway; AMP
CC from IMP: step 1/2. {ECO:0000256|HAMAP-Rule:MF_03125,
CC ECO:0000256|RuleBase:RU000520}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_03125}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast {ECO:0000256|HAMAP-
CC Rule:MF_03125}.
CC -!- SIMILARITY: Belongs to the adenylosuccinate synthetase family.
CC {ECO:0000256|HAMAP-Rule:MF_03125, ECO:0000256|RuleBase:RU000520}.
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DR EMBL; HG994368; CAF1849105.1; -; Genomic_DNA.
DR EMBL; LK033056; CDY52094.1; -; Genomic_DNA.
DR RefSeq; XP_013692809.1; XM_013837355.1.
DR STRING; 3708.A0A078IRM7; -.
DR PaxDb; 3708-A0A078IRM7; -.
DR EnsemblPlants; CDY52094; CDY52094; GSBRNA2T00004899001.
DR GeneID; 106396855; -.
DR Gramene; CDY52094; CDY52094; GSBRNA2T00004899001.
DR KEGG; bna:106396855; -.
DR OMA; TNARKWE; -.
DR OrthoDB; 122722at2759; -.
DR UniPathway; UPA00075; UER00335.
DR Proteomes; UP000028999; Unassembled WGS sequence.
DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0004019; F:adenylosuccinate synthase activity; IBA:GO_Central.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0044208; P:'de novo' AMP biosynthetic process; IBA:GO_Central.
DR GO; GO:0046040; P:IMP metabolic process; IBA:GO_Central.
DR CDD; cd03108; AdSS; 1.
DR Gene3D; 3.40.440.10; Adenylosuccinate Synthetase, subunit A, domain 1; 1.
DR Gene3D; 1.10.300.10; Adenylosuccinate Synthetase, subunit A, domain 2; 1.
DR Gene3D; 3.90.170.10; Adenylosuccinate Synthetase, subunit A, domain 3; 1.
DR HAMAP; MF_00011; Adenylosucc_synth; 1.
DR InterPro; IPR018220; Adenylosuccin_syn_GTP-bd.
DR InterPro; IPR033128; Adenylosuccin_syn_Lys_AS.
DR InterPro; IPR042109; Adenylosuccinate_synth_dom1.
DR InterPro; IPR042110; Adenylosuccinate_synth_dom2.
DR InterPro; IPR042111; Adenylosuccinate_synth_dom3.
DR InterPro; IPR001114; Adenylosuccinate_synthetase.
DR InterPro; IPR027417; P-loop_NTPase.
DR NCBIfam; TIGR00184; purA; 1.
DR PANTHER; PTHR11846; ADENYLOSUCCINATE SYNTHETASE; 1.
DR PANTHER; PTHR11846:SF16; ADENYLOSUCCINATE SYNTHETASE, CHLOROPLASTIC; 1.
DR Pfam; PF00709; Adenylsucc_synt; 1.
DR SMART; SM00788; Adenylsucc_synt; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR PROSITE; PS01266; ADENYLOSUCCIN_SYN_1; 1.
DR PROSITE; PS00513; ADENYLOSUCCIN_SYN_2; 1.
PE 3: Inferred from homology;
KW Chloroplast {ECO:0000256|HAMAP-Rule:MF_03125};
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|HAMAP-
KW Rule:MF_03125};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_03125};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_03125};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03125};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_03125}; Plastid {ECO:0000256|HAMAP-Rule:MF_03125};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW Rule:MF_03125}; Reference proteome {ECO:0000313|Proteomes:UP000028999}.
FT ACT_SITE 79
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT ACT_SITE 107
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT ACT_SITE 207
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU10134"
FT BINDING 78..84
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 79..82
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 79
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 104..107
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 106..108
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 106
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 196
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 210
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 290
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 305
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 365..371
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 369
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 371
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 397..399
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
FT BINDING 480..482
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03125"
SQ SEQUENCE 491 AA; 53264 MW; 04CEBC615BB92782 CRC64;
MSLSSLSLDS KPRFAVGGPC HRRYPLPLHP RSFLPCSPKR PTVSASLSVT ADSTTTEQPL
GRIGSLSQVS GVLGCQWGDE GKGKLVDILA QHFDIVARCQ GGANAGHTIY NSEGKKFALH
LVPSGILNEG TTCVIGNGVV VHLPGLFKEI DGLESNGVSC QGRILVSDRA HLLFDFHQEV
DGLRESELAK SFIGTTKRGI GPCYSSKVIR NGIRVGDLRH MDTLPQKLEV LLADAAARFK
GFKYTPEMLR EEVEAYKRYA ERLEPYITDT VHFMNDAISQ KRKVLVEGGQ ATMLDIDFGT
YPFVTSSSPS AGGICTGLGI APRAVGDLIG VVKAYTTRVG SGPFPTENLG PGGDLLRLAG
QEFGTTTGRP RRCGWLDLVA LRFSCQINGF ASLNLTKLDV LSDLDEIQLG VAYKKSDGTR
VDSFPGDLRL LEELQVEYEV LPGWKSDISS IRNYADLPKA AQQYVERIEE LVGVPIHYIG
IGPGRDALIY K
//
