PURA_LEIBR
ID PURA_LEIBR Reviewed; 710 AA.
AC A4H7A3;
DT 05-OCT-2010, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-2007, sequence version 1.
DT 03-AUG-2022, entry version 82.
DE RecName: Full=Adenylosuccinate synthetase {ECO:0000255|HAMAP-Rule:MF_03125};
DE Short=AMPSase {ECO:0000255|HAMAP-Rule:MF_03125};
DE Short=AdSS {ECO:0000255|HAMAP-Rule:MF_03125};
DE EC=6.3.4.4 {ECO:0000255|HAMAP-Rule:MF_03125};
DE AltName: Full=IMP--aspartate ligase {ECO:0000255|HAMAP-Rule:MF_03125};
GN ORFNames=LbrM13_V2.0970, LbrM_13_0970;
OS Leishmania braziliensis.
OC Eukaryota; Discoba; Euglenozoa; Kinetoplastea; Metakinetoplastina;
OC Trypanosomatida; Trypanosomatidae; Leishmaniinae; Leishmania;
OC Leishmania braziliensis species complex.
OX NCBI_TaxID=5660;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MHOM/BR/75/M2904;
RX PubMed=17572675; DOI=10.1038/ng2053;
RA Peacock C.S., Seeger K., Harris D., Murphy L., Ruiz J.C., Quail M.A.,
RA Peters N., Adlem E., Tivey A., Aslett M., Kerhornou A., Ivens A.,
RA Fraser A., Rajandream M.-A., Carver T., Norbertczak H., Chillingworth T.,
RA Hance Z., Jagels K., Moule S., Ormond D., Rutter S., Sqaures R.,
RA Whitehead S., Rabbinowitsch E., Arrowsmith C., White B., Thurston S.,
RA Bringaud F., Baldauf S.L., Faulconbridge A., Jeffares D., Depledge D.P.,
RA Oyola S.O., Hilley J.D., Brito L.O., Tosi L.R.O., Barrell B., Cruz A.K.,
RA Mottram J.C., Smith D.F., Berriman M.;
RT "Comparative genomic analysis of three Leishmania species that cause
RT diverse human disease.";
RL Nat. Genet. 39:839-847(2007).
CC -!- FUNCTION: Plays an important role in the salvage pathway for purine
CC nucleotide biosynthesis. Catalyzes the first committed step in the
CC biosynthesis of AMP from IMP (By similarity). {ECO:0000250}.
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:0000255|HAMAP-
CC Rule:MF_03125};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_03125};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_03125};
CC -!- PATHWAY: Purine metabolism; AMP biosynthesis via de novo pathway; AMP
CC from IMP: step 1/2. {ECO:0000255|HAMAP-Rule:MF_03125}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_03125}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_03125}.
CC -!- MISCELLANEOUS: Parasitic protozoa lack the de novo purine biosynthesis
CC pathway and rely exclusively on the salvage pathway for their purine
CC nucleotide requirements.
CC -!- SIMILARITY: Belongs to the adenylosuccinate synthetase family.
CC {ECO:0000255|HAMAP-Rule:MF_03125}.
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DR EMBL; FR798987; CAM45660.1; -; Genomic_DNA.
DR RefSeq; XP_001563239.1; XM_001563189.1.
DR AlphaFoldDB; A4H7A3; -.
DR SMR; A4H7A3; -.
DR STRING; 5660.A4H7A3; -.
DR GeneID; 5413734; -.
DR KEGG; lbz:LBRM_13_0970; -.
DR VEuPathDB; TriTrypDB:LbrM.13.0970; -.
DR VEuPathDB; TriTrypDB:LBRM2903_130016000; -.
DR InParanoid; A4H7A3; -.
DR OMA; HHGECGA; -.
DR UniPathway; UPA00075; UER00335.
DR Proteomes; UP000007258; Chromosome 13.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004019; F:adenylosuccinate synthase activity; IEA:UniProtKB-UniRule.
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; IEA:UniProtKB-UniPathway.
DR Gene3D; 1.10.300.10; -; 1.
DR Gene3D; 3.40.440.10; -; 1.
DR Gene3D; 3.90.170.10; -; 1.
DR HAMAP; MF_00011; Adenylosucc_synth; 1.
DR InterPro; IPR018220; Adenylosuccin_syn_GTP-bd.
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 PANTHER; PTHR11846; PTHR11846; 1.
DR Pfam; PF00709; Adenylsucc_synt; 1.
DR SMART; SM00788; Adenylsucc_synt; 1.
DR SUPFAM; SSF52540; SSF52540; 1.
DR PROSITE; PS01266; ADENYLOSUCCIN_SYN_1; 1.
PE 3: Inferred from homology;
KW Cytoplasm; GTP-binding; Ligase; Magnesium; Metal-binding;
KW Nucleotide-binding; Purine biosynthesis; Reference proteome.
FT CHAIN 1..710
FT /note="Adenylosuccinate synthetase"
FT /id="PRO_0000399301"
FT REGION 1..57
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 82..112
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 8..51
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 181
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT ACT_SITE 211
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 180..186
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 181..184
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 181
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 208..211
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 210..212
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 210
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 295
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 309
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 421
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 437
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 563..569
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 567
FT /ligand="IMP"
FT /ligand_id="ChEBI:CHEBI:58053"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 569
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
FT BINDING 697..699
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03125"
SQ SEQUENCE 710 AA; 78624 MW; 1BD9E475E0CD537A CRC64;
MPVRRYGGRY NNSSSGVSNA LSSSSTAGLR PSPSSRENST PLSTHHDPAF LSTNHAKNEG
GLCQKHHVRF REPSVEVEVE IMDDEPSRGL QKPPSRARHA ADANNNSASA QCNTTRTSDY
TFYTNEDQKK VYEALRSLRP LPELQEPRRV KEYSEVSIKE SLYRIVEAHD VIMVAGAFFG
DEGKGKTVDA VAHHPLCTCI ARVNSGENAG HTVYDKAGRK FVFNLAPSGL LLPGKRNYIG
PECVMDPVSF MEKEIIQLIS AGIDYHDRLF IGNVCIVTPY HKLLDLLGSA ANSSTLKGMA
PVHGSKVMKR GIRLDHIFND DETLRKRLEK DMETYLGLLK VKNLSDADVV RLCREENSDG
VLRVPDYVIA FAQAKEKVKF LMNLYHDRVR NNPDFPARCD VIYELRAAVL RGEKVLLEGP
QSYWLSNART KFWESTTSAD TTAAGLLAAS QLNFQQFKSV VLNVHKAPGS SRVGIGACPS
SFVPQDFFSA QNIKTLHDLP PATCANFEAI QRTLFRDGFP YSNDKAKHNG IMAPVEYSDE
TGDYNIGVAM AIASAQHHGE CGAVTKKPRV CGFFDCVLQH EVNSIQGPYL TISALDRGDE
YDKVGVTIAY VYYNPEGKQV NVNGHVYKNG DIIRAGDPVP SESALYHCHP IVKLIDGWRD
NPIAAAKRRR NTPLPRGLCE LLSTIEYFTN CKVLSIGNGP NGDDIIYLRQ