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Overview

Uniprot IDO97580
Protein NameSuccinate--CoA ligase [ADP-forming] subunit beta, mitochondrial
Gene NameSUCLA2
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
379 GTRVDDAKALIADSG
50 DEAYAIAKKLGSKDV
78 GTFESGLKGGVKIVF
82 SGLKGGVKIVFSPEE

Function

ATP-specific succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of ATP and thus represents the only step of substrate-level phosphorylation in the TCA. The beta subunit provides nucleotide specificity of the enzyme and binds the substrate succinate, while the binding sites for coenzyme A and phosphate are found in the alpha subunit. Also able to act as an ATP-specific itaconyl- and malyl-CoA synthetase

Protein Sequence

10 NNHGLQIQQQ 20 QQRNLSLHEY 30 MSMELLQEAG 40 VSIPKGHVAK 50 SPDEAYAIAK 60 KLGSKDVVIK 70 AQVLAGGRGK 80 GTFESGLKGG 90 VKIVFSPEEA 100 KAVSSQMIGK 110 KLFTKQTGEK 120 GRICNQVLVC 130 ERRYPRREYY 140 FAITMERSFQ 150 GPVLIGSSQG 160 GVNIEDVAAE 170 TPEAIVKEPI 180 DIVEGIKKEQ 190 AVRLAQKMGF 200 PPSIVDSAAE 210 NMIKLYNLFL 220 KYDATMVEIN 230 PMVEDSDGAV 240 LCMDAKINFD 250 SNSAYRQKKI 260 FDLQDWTQED 270 ERDKDAAKAN 280 LNYIGLDGNI 290 GCLVNGAGLA 300 MATMDIIKLH 310 GGTPANFLDV 320 GGGATVHQVT 330 EAFKLITSDK 340 KVLSILVNIF 350 GGIMRCDVIA 360 QGIVMAVKDL 370 EIKIPVVVRL 380 QGTRVDDAKA 390 LIADSGLKIL 400 ACDDLDEAAK 410 MVVKLSEIVT 420 LTKQAQVDVK FQLPI

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005739 mitochondrion
Cellular Component GO:0042709 succinate-CoA ligase complex
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0050074 malate-CoA ligase activity
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0004775 succinate-CoA ligase (ADP-forming) activity
Biological Process GO:0006104 succinyl-CoA metabolic process
Biological Process GO:0006099 tricarboxylic acid cycle

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.