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scsB

Gene
SCSB
Protein
Succinate--CoA ligase [ADP-forming] subunit beta, hydrogenosomal
Organism
Neocallimastix frontalis
Length
437 amino acids
Function
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.
Similarity
Belongs to the succinate/malate CoA ligase beta subunit family.
Mass
47.153 kDa
Sequence
MLANVTRSTSKAAPALASIAQTAQKRFLSVHEYCSMNLLHEYNVNAPKGIVAKTPEEAYQAAKKLNTEDLVIKAQVLAGGRGKGHFDSGLQGGVKLCYTPEQVKDYASKMLGHKLITKQTGAAGRDCNAVYVVERQYAAREYYFAILLDRATRGPVLVASSEGGVEIEEVAKTNPDAILTVPFSIKTGLTREVALDTAKKMGFTEKCVPQAADTFMKLYKIFIEKDATMVEINPMAENNRGEVVCMDAKFGFDDNASYKPKGIFALRDTTQEDPREVAGHAKWNLNYVGMEGNIGCLVNGAGLAMATMDIIKLNGGVPANFLDVGGSATAKQVKEAFKIISSDKAVSAILVNIFGGIMRCDIVAEGVIQAVKELGLDIPLVVRLQGTKVEEARELIKNSNLSLYAIDDLDKAAKKVVQLANVVGLAKENGIKIKIEN

Gene
scsB
Protein
Succinate--CoA ligase [GDP-forming] subunit beta, mitochondrial
Organism
Dictyostelium discoideum
Length
420 amino acids
Function
GTP-specific succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of GTP 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.
Similarity
Belongs to the succinate/malate CoA ligase beta subunit family. GTP-specific subunit beta subfamily.
Mass
45.664 kDa
Sequence
MSLFNSANKVIGGVLKFNPSKYQVRYLNLHEYQSKSLMDKYGVNTQKWRVVTKASDAIKAASELNGELVVKAQVHAGGRGKGSFIETGFKGGVHLCKTGKEAERLCDEMLGKHLVTKQTTKEGTKVQSVMLAESVDPKRELYFAIVMDRKYGGPVMIASPQGGVDIESVAEETPDLIFKEPIDIVKGIRPEQTKNLAEKLGFTGEKAKIAQQQMENLYQLFIKSDATQVEINPFAETTDGQVICMDAKINFDDNASFRQKEIFEMRDTAEEDPREVEAGKFGLNYIGLDGNIGCMVNGAGLAMATMDIIKLKGGIPANFLDVGGSASEQAVTEAFKILTKDPRVKCLLVNIFGGIMKCDIIASGIVNASKQVGLKIPLVVRLEGTNVNIGKEILEKSGLNITSASDLDDAAIKAVNCLKK

Gene
SCSb
Protein
Succinate--CoA ligase [ADP-forming] subunit beta
Organism
Blastocystis sp. subtype 1 (strain ATCC 50177 / NandII)
Length
416 amino acids
Function
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.
Similarity
Belongs to the succinate/malate CoA ligase beta subunit family.
Mass
45.145 kDa
Sequence
MLRMAPKTVGAVRNLNIHEWQSKQLIQKYGGRAQSGEVAFSPERSRDIAKKLWNQFPGCKFVVKAQVLAGGRGKGHWEHGMQGGVKLAKTPEEVYEIANEMIGHKLITKQTGAKGINCNKVMVCGAVKILKEFYLSILLDRAMGCPVIIATSQGGMGIEEVAQKCPECLFKVPISVKNGPTNEQLVKLAKDLGLEGDLVQDCVDNVKALYQVFDKCDSTMVEINPLGVIETPTDEKVICCLDAKIAFDKDAAFRQKEIFALRDKSREDPRDVRASLADLNYVGLDGDIGCMVNGAGLAMATMDTINYFGGSAANFLDVGGNAKKEQITEALRILNSDKHVKSILINIFGGIMRCDVVAQGIMDAVREMKLDLPLVVRLEGTNVAKGKEILKSSGLNIIPANDLGDAAKKAVASLKH