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korB

Gene
korB
Protein
2-oxoglutarate oxidoreductase subunit KorB
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Length
373 amino acids
Function
Component of KG oxidoreductase (KOR) that catalyzes the CoA-dependent oxidative decarboxylation of 2-oxoglutarate (alpha-ketoglutarate, KG) to succinyl-CoA. Methyl viologen can act as electron acceptor in vitro; the physiologic electron acceptor is unknown. Is involved in the alternative TCA pathway that functions concurrently with fatty acid beta-oxidation. Since a growing body of evidence indicates that lipids (for example cholesterol and fatty acids) are a predominant growth substrate for M.tuberculosis during infection, flux through KOR likely represents an important step in intermediary metabolism in vivo. KOR-dependent decarboxylation of KG also appears to be an important source of CO(2) in M.tuberculosis metabolism.
Mass
40.143 kDa
Sequence
MTRSGDEAQLMTGVTGDLAGTELGLTPSLTKNAGVPTTDQPQKGKDFTSDQEVRWCPGCGDYVILNTIRNFLPELGLRRENIVFISGIGCSSRFPYYLETYGFHSIHGRAPAIATGLALAREDLSVWVVTGDGDALSIGGNHLIHALRRNINVTILLFNNRIYGLTKGQYSPTSEVGKVTKSTPMGSLDHPFNPVSLALGAEATFVGRALDSDRNGLTEVLRAAAQHRGAALVEILQDCPIFNDGSFDALRKEGAEERVIKVRHGEPIVFGANGEYCVVKSGFGLEVAKTADVAIDEIIVHDAQVDDPAYAFALSRLSDQNLDHTVLGIFRHISRPTYDDAARSQVVAARNAAPSGTAALQSLLHGRDTWTVD

Gene
korB
Protein
Transcriptional repressor protein KorB
Organism
Escherichia coli
Length
358 amino acids
Function
In conjunction with KorA, inhibits the transcription of the kilA, trfA and korAB operons. Is also involved in the negative control of the kilB operon.
Similarity
Belongs to the ParB family.
Mass
39.011 kDa
Sequence
MTAAQAKTTKKNTAAAAQEAAGAAQPSGLGLDSIGDLSSLLDAPAASQGGSGPIELDLDLIDEDPHQPRTADNPGFSPESIAEIGATIKERGVKSPISVRENQEQPGRYIINHGARRYRGSKWAGKKSIPAFIDNDYNEADQVIENLQRNELTPREIADFIGRELAKGKKKGDIAKEIGKSPAFITQHVTLLDLPEKIADAFNTGRVRDVTVVNELVTAFKKRPEEVEAWLDDDTQEITRGTVKLLREFLDEKGRDPNTVDAFNGQTDAERDAEAGDGQDGEDGDQDGKDAKEKGAKEPDPDKLKKAIVQVEHDERPARLILNRRPPAEGYAWLKYEDDGQEFEANLADVKLVALIEG

Gene
korB
Protein
Transcriptional repressor protein KorB
Organism
Escherichia coli
Length
349 amino acids
Function
In conjunction with KorA, inhibits the transcription of the kilA, trfA and korAB operons. Is also involved in the negative control of the kilB operon.
Similarity
Belongs to the ParB family.
Mass
38.125 kDa
Sequence
MSAKTNAKKKEQDKPQSSGLGLDGLGDLAGLLNEQPAANAGGAGPQELPLDLIDEDPHQPRTADNPGFSPESIAEIGETIKARGVKSPISVRENPDAPGRYLINHGARRYRGSKWAHKTTIPAFIDNDYNEADQVIENLQRNELTAREIADFIGRELAKGKKKGEIAKEIGKSPAFVTQHVTLLDLPEPIAEAFNSGRGKDVTVINELVTAYKKNPDEVAAWLADDSQELTRGSVKLLREFLEDKRSHDDGDRDPNTVDALTGKTDAEAGDGEQGPQDDDAKGKKEPKEADPDKLKKAIIQVKHDDRPARLILNRRPPAEGWAWLKYEDDGQEFEADLGTVQLVALLEG

Gene
korB
Protein
2-oxoglutarate synthase subunit KorB
Organism
Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)
Length
286 amino acids
Mass
31.475 kDa
Sequence
MEKRENPYLRYLRRERLPHIFCAGCGNGIVLNSFFKGMEMAGIDFDNIAMVSGIGCSSRIPGYVNCDSLHTTHGRPISFATGLKLGNPSLDVVVFTGDGDAAAIGGNHLIHGARRNIDMTVICINNSIYGMTGGQISPTFPEGSYGSTAPYGALEDPFDLAELVTAAGASYVARWTTAHPLQLANSIKKGLKNRGFSFIEAISQCPTYFGRKNRMRSPVEMMRFMKENSLNRRKALKMEPDEVEGKIIVGEFANRPQPELCEKICSMVDEKSGRALDMIRSAYRDD

Gene
korB
Protein
2-oxoglutarate synthase subunit KorB
Organism
Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg)
Length
285 amino acids
Mass
31.121 kDa
Sequence
MNVKENPYLKYLRRDRLPHIFCAGCGNGIVLNTFFKGMEMAGVDFDSIAMVSGIGCSSRIPGYVKCDSLHTTHGRPIAFATGLKLANPSLNVVVFTGDGDAAAIGGNHLIHGARKNIDLTVICINNSIYGMTGGQISPTSPEGSFGTTAPYGALEDPFDLSELVRAAGASYVARWTAAHPLQLANSIKKGLKNRGFSFIEAVSQCPTYFGRKNRMRSPVEMMKFMKENSINRRKALKMDPEEVEGKLIIGEFADAPRPELCDRIYGMIEEKSGKIDIIKSAYRDD

Gene
korB
Protein
2-oxoglutarate synthase subunit KorB
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Length
270 amino acids
Mass
29.895 kDa
Sequence
MHPALKYMRQDRLPHIFCSGCGNGIVMNCFLKAIEELNIKPEDYIAVSGIGCSSRVPGYLYCDSLHTTHGRPIAFATGIKIARPDKHVVVFTGDGDLAAIGGNHFIHGCRRNIDLTVICINNNIYGMTGGQVSPTTPYGKKATTAPYGSIENTMDLCKMAIAAGATYVARWTTAHPIQLVRSIKKGIQKKGFAFIEVVSQCPTYYGRFNISRKPADMIKFLKENSIHLNKAKDMSEEELNGKIVVGEFLDIEKPEFVEELHKLIEKLKSE

Gene
korB
Protein
2-oxoglutarate synthase subunit KorB
Organism
Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126)
Length
267 amino acids
Mass
29.693 kDa
Sequence
MKAEYADYLRTEMLPTIWCAGCPNGIVLASFIRAVKRGFERDKTVVVSGIGCSGRITQYLDFETVHTTHGRALAFATGIKLAKPELNVVVFMGDGDAVAIGGNHFIHACRRNIDLTAVVINNSLYGMTGGQLAPTTPEGAKTKTSPYGNVERPFDIAKLAIAAGASYVARFTAYQPRWIEKAIFEAMQHHGFSVVEVVTGCPTHQRIKPADLLKHLKENFRRRDNVSLDEIQPTDIGVFKKEVMEEFCEKIEKLRMYVRKGENKENV

Gene
korB
Protein
Protein KorB
Organism
Streptomyces lividans
Length
80 amino acids
Function
Repressor for the transcription of certain pIJ101 promoters, including those the from kilA and kilB loci.
Mass
8.755 kDa
Sequence
MTQKTPGEIRAEAEAALKPLGQQRINVLAELDEIEKDVRPLIAEAVRMEVPYRRINEVTAVAPNTARAWAKAEAEKGSGS