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Database: UniProt
Entry: B9KNB3
LinkDB: B9KNB3
Original site: B9KNB3 
ID   SUCC_RHOSK              Reviewed;         397 AA.
AC   B9KNB3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   05-DEC-2018, entry version 59.
DE   RecName: Full=Succinate--CoA ligase [ADP-forming] subunit beta {ECO:0000255|HAMAP-Rule:MF_00558};
DE            EC=6.2.1.5 {ECO:0000255|HAMAP-Rule:MF_00558};
DE   AltName: Full=Succinyl-CoA synthetase subunit beta {ECO:0000255|HAMAP-Rule:MF_00558};
DE            Short=SCS-beta {ECO:0000255|HAMAP-Rule:MF_00558};
GN   Name=sucC {ECO:0000255|HAMAP-Rule:MF_00558};
GN   OrderedLocusNames=RSKD131_2359;
OS   Rhodobacter sphaeroides (strain KD131 / KCTC 12085).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Rhodobacter.
OX   NCBI_TaxID=557760;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KD131 / KCTC 12085;
RX   PubMed=19028901; DOI=10.1128/JB.01565-08;
RA   Lim S.-K., Kim S.J., Cha S.H., Oh Y.-K., Rhee H.-J., Kim M.-S.,
RA   Lee J.K.;
RT   "Complete genome sequence of Rhodobacter sphaeroides KD131.";
RL   J. Bacteriol. 191:1118-1119(2009).
CC   -!- FUNCTION: Succinyl-CoA synthetase functions in the citric acid
CC       cycle (TCA), coupling the hydrolysis of succinyl-CoA to the
CC       synthesis of either ATP or GTP and thus represents the only step
CC       of substrate-level phosphorylation in the TCA. The beta subunit
CC       provides nucleotide specificity of the enzyme and binds the
CC       substrate succinate, while the binding sites for coenzyme A and
CC       phosphate are found in the alpha subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00558}.
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_00558};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00558};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00558};
CC   -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle;
CC       succinate from succinyl-CoA (ligase route): step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00558}.
CC   -!- SUBUNIT: Heterotetramer of two alpha and two beta subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00558}.
CC   -!- SIMILARITY: Belongs to the succinate/malate CoA ligase beta
CC       subunit family. {ECO:0000255|HAMAP-Rule:MF_00558}.
DR   EMBL; CP001150; ACM02219.1; -; Genomic_DNA.
DR   RefSeq; WP_002721255.1; NC_011963.1.
DR   ProteinModelPortal; B9KNB3; -.
DR   SMR; B9KNB3; -.
DR   PRIDE; B9KNB3; -.
DR   EnsemblBacteria; ACM02219; ACM02219; RSKD131_2359.
DR   KEGG; rsk:RSKD131_2359; -.
DR   HOGENOM; HOG000007059; -.
DR   KO; K01903; -.
DR   OMA; LCMDAKF; -.
DR   UniPathway; UPA00223; UER00999.
DR   Proteomes; UP000001597; Chromosome 1.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
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; 3.30.1490.20; -; 1.
DR   Gene3D; 3.40.50.261; -; 1.
DR   HAMAP; MF_00558; Succ_CoA_beta; 1.
DR   InterPro; IPR011761; ATP-grasp.
DR   InterPro; IPR013650; ATP-grasp_succ-CoA_synth-type.
DR   InterPro; IPR013815; ATP_grasp_subdomain_1.
DR   InterPro; IPR005811; CoA_ligase.
DR   InterPro; IPR017866; Succ-CoA_synthase_bsu_CS.
DR   InterPro; IPR005809; Succ_CoA_synthase_bsu.
DR   InterPro; IPR016102; Succinyl-CoA_synth-like.
DR   PANTHER; PTHR11815; PTHR11815; 1.
DR   Pfam; PF08442; ATP-grasp_2; 1.
DR   Pfam; PF00549; Ligase_CoA; 1.
DR   PIRSF; PIRSF001554; SucCS_beta; 1.
DR   SUPFAM; SSF52210; SSF52210; 1.
DR   TIGRFAMs; TIGR01016; sucCoAbeta; 1.
DR   PROSITE; PS50975; ATP_GRASP; 1.
DR   PROSITE; PS01217; SUCCINYL_COA_LIG_3; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Complete proteome; Ligase; Magnesium; Metal-binding;
KW   Nucleotide-binding; Tricarboxylic acid cycle.
FT   CHAIN         1    397       Succinate--CoA ligase [ADP-forming]
FT                                subunit beta.
FT                                /FTId=PRO_1000197712.
FT   DOMAIN        9    254       ATP-grasp. {ECO:0000255|HAMAP-
FT                                Rule:MF_00558}.
FT   NP_BIND      53     55       ATP. {ECO:0000255|HAMAP-Rule:MF_00558}.
FT   REGION      331    333       Substrate binding; shared with subunit
FT                                alpha. {ECO:0000255|HAMAP-Rule:MF_00558}.
FT   METAL       209    209       Magnesium. {ECO:0000255|HAMAP-
FT                                Rule:MF_00558}.
FT   METAL       223    223       Magnesium. {ECO:0000255|HAMAP-
FT                                Rule:MF_00558}.
FT   BINDING      46     46       ATP. {ECO:0000255|HAMAP-Rule:MF_00558}.
FT   BINDING     109    109       ATP. {ECO:0000255|HAMAP-Rule:MF_00558}.
FT   BINDING     112    112       ATP; via amide nitrogen.
FT                                {ECO:0000255|HAMAP-Rule:MF_00558}.
FT   BINDING     117    117       ATP. {ECO:0000255|HAMAP-Rule:MF_00558}.
FT   BINDING     274    274       Substrate; shared with subunit alpha.
FT                                {ECO:0000255|HAMAP-Rule:MF_00558}.
SQ   SEQUENCE   397 AA;  42228 MW;  A4D16F1C201AC264 CRC64;
     MNIHEYQAKA LLRSYGAPVS DGRVVLKADE AKSAAGELGG PLWVVKAQIH AGGRGKGKFK
     EPEAGEKGGV RLAKSVGEAA ELAKQMLGRT LVTHQTGPAG KQVNRIYIEE GSDIARELYL
     ALLVDRGTSR ISFVVSTEGG MDIEEVAAST PEKIVSFSVD PASGLSDFHG RRVAFALGLE
     GAQVKQCVQL VKNLYRAFVE KDMEMLEINP LIVMTDGNLK VLDAKVGFDN NALYRQSDVM
     ALRDETEEDP KELAASKFDL NYIALDGEIG CMVNGAGLAM ATMDIIKLYG AEPANFLDVG
     GGATKEKVTE AFKIITSDPN VKGILVNIFG GIMRCDIIAE GIIAAVKEVG LQVPLVVRLE
     GTNVEKGKEI IANSGLNVIA GDNLSDAAQK IVKAVKG
//
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