SUCD2_ARCFU
ID SUCD2_ARCFU Reviewed; 287 AA.
AC O28098;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-JAN-1998, sequence version 1.
DT 03-AUG-2022, entry version 130.
DE RecName: Full=Succinate--CoA ligase [ADP-forming] subunit alpha 2 {ECO:0000255|HAMAP-Rule:MF_01988};
DE EC=6.2.1.5 {ECO:0000255|HAMAP-Rule:MF_01988};
DE AltName: Full=Succinyl-CoA synthetase subunit alpha 2 {ECO:0000255|HAMAP-Rule:MF_01988};
DE Short=SCS-alpha 2 {ECO:0000255|HAMAP-Rule:MF_01988};
GN Name=sucD2 {ECO:0000255|HAMAP-Rule:MF_01988}; OrderedLocusNames=AF_2185;
OS Archaeoglobus fulgidus (strain ATCC 49558 / DSM 4304 / JCM 9628 / NBRC
OS 100126 / VC-16).
OC Archaea; Euryarchaeota; Archaeoglobi; Archaeoglobales; Archaeoglobaceae;
OC Archaeoglobus.
OX NCBI_TaxID=224325;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49558 / DSM 4304 / JCM 9628 / NBRC 100126 / VC-16;
RX PubMed=9389475; DOI=10.1038/37052;
RA Klenk H.-P., Clayton R.A., Tomb J.-F., White O., Nelson K.E., Ketchum K.A.,
RA Dodson R.J., Gwinn M.L., Hickey E.K., Peterson J.D., Richardson D.L.,
RA Kerlavage A.R., Graham D.E., Kyrpides N.C., Fleischmann R.D.,
RA Quackenbush J., Lee N.H., Sutton G.G., Gill S.R., Kirkness E.F.,
RA Dougherty B.A., McKenney K., Adams M.D., Loftus B.J., Peterson S.N.,
RA Reich C.I., McNeil L.K., Badger J.H., Glodek A., Zhou L., Overbeek R.,
RA Gocayne J.D., Weidman J.F., McDonald L.A., Utterback T.R., Cotton M.D.,
RA Spriggs T., Artiach P., Kaine B.P., Sykes S.M., Sadow P.W., D'Andrea K.P.,
RA Bowman C., Fujii C., Garland S.A., Mason T.M., Olsen G.J., Fraser C.M.,
RA Smith H.O., Woese C.R., Venter J.C.;
RT "The complete genome sequence of the hyperthermophilic, sulphate-reducing
RT archaeon Archaeoglobus fulgidus.";
RL Nature 390:364-370(1997).
CC -!- FUNCTION: Succinyl-CoA synthetase functions in the citric acid cycle
CC (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of
CC either ATP or GTP and thus represents the only step of substrate-level
CC phosphorylation in the TCA. The alpha subunit of the enzyme binds the
CC substrates coenzyme A and phosphate, while succinate binding and
CC nucleotide specificity is provided by the beta subunit.
CC {ECO:0000255|HAMAP-Rule:MF_01988}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + CoA + succinate = ADP + phosphate + succinyl-CoA;
CC Xref=Rhea:RHEA:17661, ChEBI:CHEBI:30031, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57287, ChEBI:CHEBI:57292,
CC ChEBI:CHEBI:456216; EC=6.2.1.5; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01988};
CC -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; succinate
CC from succinyl-CoA (ligase route): step 1/1. {ECO:0000255|HAMAP-
CC Rule:MF_01988}.
CC -!- SUBUNIT: Heterotetramer of two alpha and two beta subunits.
CC {ECO:0000255|HAMAP-Rule:MF_01988}.
CC -!- SIMILARITY: Belongs to the succinate/malate CoA ligase alpha subunit
CC family. {ECO:0000255|HAMAP-Rule:MF_01988}.
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DR EMBL; AE000782; AAB89067.1; -; Genomic_DNA.
DR PIR; A69523; A69523.
DR RefSeq; WP_010879674.1; NC_000917.1.
DR AlphaFoldDB; O28098; -.
DR SMR; O28098; -.
DR STRING; 224325.AF_2185; -.
DR EnsemblBacteria; AAB89067; AAB89067; AF_2185.
DR GeneID; 24795931; -.
DR KEGG; afu:AF_2185; -.
DR eggNOG; arCOG01339; Archaea.
DR HOGENOM; CLU_052104_0_0_2; -.
DR OMA; VIICITE; -.
DR OrthoDB; 37867at2157; -.
DR PhylomeDB; O28098; -.
DR UniPathway; UPA00223; UER00999.
DR Proteomes; UP000002199; Chromosome.
DR GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR GO; GO:0004775; F:succinate-CoA ligase (ADP-forming) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.261; -; 1.
DR HAMAP; MF_01988; Succ_CoA_alpha; 1.
DR InterPro; IPR017440; Cit_synth/succinyl-CoA_lig_AS.
DR InterPro; IPR033847; Citrt_syn/SCS-alpha_CS.
DR InterPro; IPR003781; CoA-bd.
DR InterPro; IPR005810; CoA_lig_alpha.
DR InterPro; IPR005811; CoA_ligase.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR016102; Succinyl-CoA_synth-like.
DR Pfam; PF02629; CoA_binding; 1.
DR Pfam; PF00549; Ligase_CoA; 1.
DR PIRSF; PIRSF001553; SucCS_alpha; 1.
DR SMART; SM00881; CoA_binding; 1.
DR SUPFAM; SSF51735; SSF51735; 1.
DR SUPFAM; SSF52210; SSF52210; 1.
DR TIGRFAMs; TIGR01019; sucCoAalpha; 1.
DR PROSITE; PS01216; SUCCINYL_COA_LIG_1; 1.
DR PROSITE; PS00399; SUCCINYL_COA_LIG_2; 1.
PE 3: Inferred from homology;
KW Ligase; Nucleotide-binding; Reference proteome; Tricarboxylic acid cycle.
FT CHAIN 1..287
FT /note="Succinate--CoA ligase [ADP-forming] subunit alpha 2"
FT /id="PRO_0000102809"
FT ACT_SITE 246
FT /note="Tele-phosphohistidine intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01988"
FT BINDING 17..20
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01988"
FT BINDING 43
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01988"
FT BINDING 96..98
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01988"
FT BINDING 159
FT /ligand="substrate"
FT /ligand_note="ligand shared with subunit beta"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01988"
SQ SEQUENCE 287 AA; 30038 MW; 2A24239C8B322AFD CRC64;
MAIIVDERTK VVVQGITGYQ GKFHTERMLN YGTKIVAGVT PGKGGTEVLG VPVYDSVKEA
VREADANASV IFVPAPFAAD AVMEAADAGI KVIVCITEGI PVHDELKMYW RVKEAGATLI
GPNCPGIISP GKTHLGIMPV QIFKPGNVGI VSRSGTLTYQ IAYNLTKLGL GQSTVVGIGG
DRIIGTDFVE VLRLFEDDKE TKAVVLVGEI GGRDEEVAAE FIREMSKPVV GYVAGLTAPP
GKRMGHAGAI IEGGVGTAES KIKALEAAGA RVGKTPMEVA ELVAEIL
