SUCC_CHLCH
ID SUCC_CHLCH Reviewed; 390 AA.
AC Q3ATR4;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 100.
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}; OrderedLocusNames=Cag_0338;
OS Chlorobium chlorochromatii (strain CaD3).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC Chlorobium/Pelodictyon group; Chlorobium.
OX NCBI_TaxID=340177;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CaD3;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Chlorobium chlorochromatii CaD3.";
RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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 beta subunit provides nucleotide
CC specificity of the enzyme and binds the substrate succinate, while the
CC binding sites for coenzyme A and phosphate are found in the alpha
CC subunit. {ECO:0000255|HAMAP-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-Rule:MF_00558};
CC -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; succinate
CC from succinyl-CoA (ligase route): step 1/1. {ECO:0000255|HAMAP-
CC 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 subunit
CC family. {ECO:0000255|HAMAP-Rule:MF_00558}.
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DR EMBL; CP000108; ABB27611.1; -; Genomic_DNA.
DR RefSeq; WP_011361384.1; NC_007514.1.
DR AlphaFoldDB; Q3ATR4; -.
DR SMR; Q3ATR4; -.
DR STRING; 340177.Cag_0338; -.
DR EnsemblBacteria; ABB27611; ABB27611; Cag_0338.
DR KEGG; cch:Cag_0338; -.
DR eggNOG; COG0045; Bacteria.
DR HOGENOM; CLU_037430_0_2_10; -.
DR OMA; ITACDEV; -.
DR OrthoDB; 316012at2; -.
DR UniPathway; UPA00223; UER00999.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProt.
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; Ligase; Magnesium; Metal-binding; Nucleotide-binding;
KW Tricarboxylic acid cycle.
FT CHAIN 1..390
FT /note="Succinate--CoA ligase [ADP-forming] subunit beta"
FT /id="PRO_1000082060"
FT DOMAIN 9..248
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 50
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 57..59
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 103
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 106
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 111
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 203
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 217
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 268
FT /ligand="substrate"
FT /ligand_note="ligand shared with subunit alpha"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
FT BINDING 325..327
FT /ligand="substrate"
FT /ligand_note="ligand shared with subunit alpha"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00558"
SQ SEQUENCE 390 AA; 42015 MW; B5334A043002AA23 CRC64;
MNIHEYQGKD ILRKFGVTVP KGIVAYSADE AKQAAEQLFA ETGSSVVVVK AQIHAGGRGK
AGGVKLAKSP EEAFEIARQM IGMTLITHQT GPEGKVVSRL LIEEGMGIEK EFYVGITLDR
ATSRNVLMVS TEGGMEIETV AEETPEKLLK IQIDPLFGMQ GFQAREAAFF LGLEGEQFRN
AVNFITALYK AYTSIDASVA EINPLVVTSE GKVIALDAKI NFDDNALYRH KEYMELRDTS
EEDPFEVEAS KSNLNYVRLD GNVGCMVNGA GLAMGTMDII QLAGGKPANF LDVGGTASPQ
TVEEGFKIIL SDKNVRAILV NIFGGIVRCD RVAGGIMEAA KKMDLHLPVI VRLEGTNASI
AQQMLDESGL SLIAAKGLRD AAQKVQEALA
