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Protein

Succinate--CoA ligase [ADP-forming] subunit alpha

Gene

sucD

Organism
Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)
Status
Unreviewed-Annotation score: -Protein inferred from homologyi

Functioni

Succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of either ATP or GTP and thus represents the only step of substrate-level phosphorylation in the TCA. The alpha subunit of the enzyme binds the substrates coenzyme A and phosphate, while succinate binding and nucleotide specificity is provided by the beta subunit.UniRule annotation

Catalytic activityi

ATP + succinate + CoA = ADP + phosphate + succinyl-CoA.UniRule annotation

Pathwayi: tricarboxylic acid cycle

This protein is involved in step 1 of the subpathway that synthesizes succinate from succinyl-CoA (ligase route).UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. Succinate--CoA ligase [ADP-forming] subunit beta 1 (sucC1), Succinate--CoA ligase [ADP-forming] subunit alpha (sucD), Succinate--CoA ligase [ADP-forming] subunit alpha (sucD), Succinate--CoA ligase [ADP-forming] subunit beta 2 (sucC2)
This subpathway is part of the pathway tricarboxylic acid cycle, which is itself part of Carbohydrate metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes succinate from succinyl-CoA (ligase route), the pathway tricarboxylic acid cycle and in Carbohydrate metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei43Coenzyme AUniRule annotation1
Binding sitei163Substrate; shared with subunit betaUniRule annotation1
Active sitei249Tele-phosphohistidine intermediateUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLigaseUniRule annotation
Biological processTricarboxylic acid cycleUniRule annotation
LigandNucleotide-bindingUniRule annotation

Enzyme and pathway databases

UniPathwayiUPA00223; UER00999

Names & Taxonomyi

Protein namesi
Recommended name:
Succinate--CoA ligase [ADP-forming] subunit alphaUniRule annotation (EC:6.2.1.5UniRule annotation)
Alternative name(s):
Succinyl-CoA synthetase subunit alphaUniRule annotation
Short name:
SCS-alphaUniRule annotation
Gene namesi
Name:sucDUniRule annotation
Ordered Locus Names:SCO6586Imported
OrganismiStreptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)Imported
Taxonomic identifieri100226 [NCBI]
Taxonomic lineageiBacteriaActinobacteriaStreptomycetalesStreptomycetaceaeStreptomycesStreptomyces albidoflavus group
Proteomesi
  • UP000001973 Componenti: Chromosome

Interactioni

Subunit structurei

Heterotetramer of two alpha and two beta subunits.UniRule annotation

Protein-protein interaction databases

STRINGi100226.SCO6586

Structurei

3D structure databases

ProteinModelPortaliO87841
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini4 – 104CoA_bindingInterPro annotationAdd BLAST101

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni17 – 20Coenzyme A bindingUniRule annotation4
Regioni100 – 102Coenzyme A bindingUniRule annotation3

Sequence similaritiesi

Belongs to the succinate/malate CoA ligase alpha subunit family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0074 LUCA
HOGENOMiHOG000239685
InParanoidiO87841
KOiK01902
OMAiEGRTMGH
OrthoDBiPOG091H04FK
PhylomeDBiO87841

Family and domain databases

Gene3Di3.40.50.261, 1 hit
HAMAPiMF_01988 Succ_CoA_alpha, 1 hit
InterProiView protein in InterPro
IPR017440 Cit_synth/succinyl-CoA_lig_AS
IPR033847 Citrt_syn/SCS-alpha_CS
IPR003781 CoA-bd
IPR005810 CoA_lig_alpha
IPR036291 NAD(P)-bd_dom_sf
IPR032875 Succ_CoA_lig_flav_dom
IPR016102 Succinyl-CoA_synth-like
PfamiView protein in Pfam
PF02629 CoA_binding, 1 hit
PF13607 Succ_CoA_lig, 1 hit
PIRSFiPIRSF001553 SucCS_alpha, 1 hit
SMARTiView protein in SMART
SM00881 CoA_binding, 1 hit
SUPFAMiSSF51735 SSF51735, 1 hit
SSF52210 SSF52210, 1 hit
TIGRFAMsiTIGR01019 sucCoAalpha, 1 hit
PROSITEiView protein in PROSITE
PS01216 SUCCINYL_COA_LIG_1, 1 hit
PS00399 SUCCINYL_COA_LIG_2, 1 hit

Sequencei

Sequence statusi: Complete.

O87841-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAIYLTKESK VLVQGMTGAE GMKHTRRMLA AGTDVVGGVN PRKAGRTVDF
60 70 80 90 100
DNRTVPVFGS VREGIERTGA DVTVVFVPPA FAEAAVVEAA DAGVGLAVVI
110 120 130 140 150
TEGIPVHDSV ALTAHARAKG TRVIGPNCPG LITPGQSNAG IIPPDITKPG
160 170 180 190 200
RIGLVSKSGT LTYQLMYELR DIGFSTCVGI GGDPVVGTSH IDCLAAFEDD
210 220 230 240 250
PDTELIVLIG EIGGDAEERA AAHIRAHVTK PVVAYIAGFT APEGRTMGHA
260 270 280 290 300
GAIVSGSSGT ARAKKEALES VGVRVGSTPT ETARHVLQAL DVPGGAAPDG

AARDGARA
Length:308
Mass (Da):31,427
Last modified:November 1, 1998 - v1
Checksum:i161BD149DBBB31EB
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AL939128 Genomic DNA Translation: CAA19779.1
PIRiT35774
RefSeqiNP_630665.1, NC_003888.3
WP_011031023.1, NC_003888.3

Genome annotation databases

EnsemblBacteriaiCAA19779; CAA19779; CAA19779
GeneIDi1102025
KEGGisco:SCO6586
PATRICifig|100226.15.peg.6691

Similar proteinsi

Entry informationi

Entry nameiO87841_STRCO
AccessioniPrimary (citable) accession number: O87841
Entry historyiIntegrated into UniProtKB/TrEMBL: November 1, 1998
Last sequence update: November 1, 1998
Last modified: May 23, 2018
This is version 124 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteomeImported

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