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データを開く
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基本情報
登録情報 | データベース: SASBDB / ID: SASDEL9 |
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![]() | Escherichia coli aerobic fatty acid beta-oxidation trifunctional enzyme complex
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機能・相同性 | ![]() fatty acid beta-oxidation multienzyme complex / 3-hydroxybutyryl-CoA epimerase / 3-hydroxybutyryl-CoA epimerase activity / acetyl-CoA C-acyltransferase / Delta3-Delta2-enoyl-CoA isomerase / acetyl-CoA C-acyltransferase activity / delta(3)-delta(2)-enoyl-CoA isomerase activity / long-chain-3-hydroxyacyl-CoA dehydrogenase (NAD+) activity / 3-hydroxyacyl-CoA dehydrogenase / enoyl-CoA hydratase ...fatty acid beta-oxidation multienzyme complex / 3-hydroxybutyryl-CoA epimerase / 3-hydroxybutyryl-CoA epimerase activity / acetyl-CoA C-acyltransferase / Delta3-Delta2-enoyl-CoA isomerase / acetyl-CoA C-acyltransferase activity / delta(3)-delta(2)-enoyl-CoA isomerase activity / long-chain-3-hydroxyacyl-CoA dehydrogenase (NAD+) activity / 3-hydroxyacyl-CoA dehydrogenase / enoyl-CoA hydratase / phenylacetate catabolic process / 3-hydroxyacyl-CoA dehydrogenase (NAD+) activity / fatty acid catabolic process / enoyl-CoA hydratase activity / fatty acid beta-oxidation / NAD+ binding / cytoplasm 類似検索 - 分子機能 |
生物種 | ![]() ![]() |
![]() | ![]() タイトル: Complementary substrate specificity and distinct quaternary assembly of the aerobic and anaerobic β-oxidation trifunctional enzyme complexes. 著者: Shiv K Sah-Teli / Mikko J Hynönen / Werner Schmitz / James A Geraets / Jani Seitsonen / Jan Skov Pedersen / Sarah J Butcher / Rik K Wierenga / Rajaram Venkatesan / ![]() ![]() ![]() 要旨: The trifunctional enzyme (TFE) catalyzes the last three steps of the fatty acid β-oxidation cycle. Two TFEs are present in , EcTFE and anEcTFE. EcTFE is expressed only under aerobic conditions, ...The trifunctional enzyme (TFE) catalyzes the last three steps of the fatty acid β-oxidation cycle. Two TFEs are present in , EcTFE and anEcTFE. EcTFE is expressed only under aerobic conditions, whereas anEcTFE is expressed also under anaerobic conditions, with nitrate or fumarate as the ultimate electron acceptor. The anEcTFE subunits have higher sequence identity with the human mitochondrial TFE (HsTFE) than with the soluble EcTFE. Like HsTFE, here it is found that anEcTFE is a membrane-bound complex. Systematic enzyme kinetic studies show that anEcTFE has a preference for medium- and long-chain enoyl-CoAs, similar to HsTFE, whereas EcTFE prefers short chain enoyl-CoA substrates. The biophysical characterization of anEcTFE and EcTFE shows that EcTFE is heterotetrameric, whereas anEcTFE is purified as a complex of two heterotetrameric units, like HsTFE. The tetrameric assembly of anEcTFE resembles the HsTFE tetramer, although the arrangement of the two anEcTFE tetramers in the octamer is different from the HsTFE octamer. These studies demonstrate that EcTFE and anEcTFE have complementary substrate specificities, allowing for complete degradation of long-chain enoyl-CoAs under aerobic conditions. The new data agree with the notion that anEcTFE and HsTFE are evolutionary closely related, whereas EcTFE belongs to a separate subfamily. |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
-モデル
モデル #2747 | ![]() タイプ: dummy / ダミー原子の半径: 5.80 A / 対称性: p1 / カイ2乗値: 1.029 / P-value: 0.936796 ![]() |
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モデル #2748 | ![]() タイプ: atomic コメント: subunits and complex were modeled using swissmodel and coot respectively using 1wdm.pdb as referenc カイ2乗値: 1.357 / P-value: 0.000001 ![]() |
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試料
![]() | 名称: Escherichia coli aerobic fatty acid beta-oxidation trifunctional enzyme complex 試料濃度: 6.2 mg/ml / Entity id: 1432 / 1433 / 1434 |
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バッファ | 名称: 20 mM 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES), 120 mM KCl, 2.5 mM DTT pH: 7.2 |
要素 #1432 | 名称: EcTFE-alpha / タイプ: protein / 記述: Fatty acid oxidation complex subunit alpha / 分子量: 81.206 / 分子数: 1 / 由来: Escherichia coli (strain K12) / 参照: UniProt: P21177 配列: MGSSHHHHHH SQDPMLYKGD TLYLDWLEDG IAELVFDAPG SVNKLDTATV ASLGEAIGVL EQQSDLKGLL LRSNKAAFIV GADITEFLSL FLVPEEQLSQ WLHFANSVFN RLEDLPVPTI AAVNGYALGG GCECVLATDY RLATPDLRIG LPETKLGIMP GFGGSVRMPR ...配列: MGSSHHHHHH SQDPMLYKGD TLYLDWLEDG IAELVFDAPG SVNKLDTATV ASLGEAIGVL EQQSDLKGLL LRSNKAAFIV GADITEFLSL FLVPEEQLSQ WLHFANSVFN RLEDLPVPTI AAVNGYALGG GCECVLATDY RLATPDLRIG LPETKLGIMP GFGGSVRMPR MLGADSALEI IAAGKDVGAD QALKIGLVDG VVKAEKLVEG AKAVLRQAIN GDLDWKAKRQ PKLEPLKLSK IEATMSFTIA KGMVAQTAGK HYPAPITAVK TIEAAARFGR EEALNLENKS FVPLAHTNEA RALVGIFLND QYVKGKAKKL TKDVETPKQA AVLGAGIMGG GIAYQSAWKG VPVVMKDIND KSLTLGMTEA AKLLNKQLER GKIDGLKLAG VISTIHPTLD YAGFDRVDIV VEAVVENPKV KKAVLAETEQ KVRQDTVLAS NTSTIPISEL ANALERPENF CGMHFFNPVH RMPLVEIIRG EKSSDETIAK VVAWASKMGK TPIVVNDCPG FFVNRVLFPY FAGFSQLLRD GADFRKIDKV MEKQFGWPMG PAYLLDVVGI DTAHHAQAVM AAGFPQRMQK DYRDAIDALF DANRFGQKNG LGFWRYKEDS KGKPKKEEDA AVEDLLAEVS QPKRDFSEEE IIARMMIPMV NEVVRCLEEG IIATPAEADM ALVYGLGFPP FHGGAFRWLD TLGSAKYLDM AQQYQHLGPL YEVPEGLRNK ARHNEPYYPP VEPARPVGDL KTA |
要素 #1433 | 名称: EcTFE-alpha / タイプ: protein / 記述: Fatty acid oxidation complex subunit alpha / 分子量: 81.206 / 分子数: 1 / 由来: Escherichia coli (strain K12) / 参照: UniProt: P21177 配列: MGSSHHHHHH SQDPMLYKGD TLYLDWLEDG IAELVFDAPG SVNKLDTATV ASLGEAIGVL EQQSDLKGLL LRSNKAAFIV GADITEFLSL FLVPEEQLSQ WLHFANSVFN RLEDLPVPTI AAVNGYALGG GCECVLATDY RLATPDLRIG LPETKLGIMP GFGGSVRMPR ...配列: MGSSHHHHHH SQDPMLYKGD TLYLDWLEDG IAELVFDAPG SVNKLDTATV ASLGEAIGVL EQQSDLKGLL LRSNKAAFIV GADITEFLSL FLVPEEQLSQ WLHFANSVFN RLEDLPVPTI AAVNGYALGG GCECVLATDY RLATPDLRIG LPETKLGIMP GFGGSVRMPR MLGADSALEI IAAGKDVGAD QALKIGLVDG VVKAEKLVEG AKAVLRQAIN GDLDWKAKRQ PKLEPLKLSK IEATMSFTIA KGMVAQTAGK HYPAPITAVK TIEAAARFGR EEALNLENKS FVPLAHTNEA RALVGIFLND QYVKGKAKKL TKDVETPKQA AVLGAGIMGG GIAYQSAWKG VPVVMKDIND KSLTLGMTEA AKLLNKQLER GKIDGLKLAG VISTIHPTLD YAGFDRVDIV VEAVVENPKV KKAVLAETEQ KVRQDTVLAS NTSTIPISEL ANALERPENF CGMHFFNPVH RMPLVEIIRG EKSSDETIAK VVAWASKMGK TPIVVNDCPG FFVNRVLFPY FAGFSQLLRD GADFRKIDKV MEKQFGWPMG PAYLLDVVGI DTAHHAQAVM AAGFPQRMQK DYRDAIDALF DANRFGQKNG LGFWRYKEDS KGKPKKEEDA AVEDLLAEVS QPKRDFSEEE IIARMMIPMV NEVVRCLEEG IIATPAEADM ALVYGLGFPP FHGGAFRWLD TLGSAKYLDM AQQYQHLGPL YEVPEGLRNK ARHNEPYYPP VEPARPVGDL KTA |
要素 #1434 | 名称: EcTFE-beta / タイプ: protein / 記述: 3-ketoacyl-CoA thiolase FadA (beta subunit) / 分子量: 40.876 / 分子数: 2 / 由来: Escherichia coli (strain K12) / 参照: UniProt: P21151 配列: MEQVVIVDAI RTPMGRSKGG AFRNVRAEDL SAHLMRSLLA RNPALEAAAL DDIYWGCVQQ TLEQGFNIAR NAALLAEVPH SVPAVTVNRL CGSSMQALHD AARMIMTGDA QACLVGGVEH MGHVPMSHGV DFHPGLSRNV AKAAGMMGLT AEMLARMHGI SREMQDAFAA ...配列: MEQVVIVDAI RTPMGRSKGG AFRNVRAEDL SAHLMRSLLA RNPALEAAAL DDIYWGCVQQ TLEQGFNIAR NAALLAEVPH SVPAVTVNRL CGSSMQALHD AARMIMTGDA QACLVGGVEH MGHVPMSHGV DFHPGLSRNV AKAAGMMGLT AEMLARMHGI SREMQDAFAA RSHARAWAAT QSAAFKNEII PTGGHDADGV LKQFNYDEVI RPETTVEALA TLRPAFDPVN GMVTAGTSSA LSDGAAAMLV MSESRAHELG LKPRARVRSM AVVGCDPSIM GYGPVPASKL ALKKAGLSAS DIGVFEMNEA FAAQILPCIK DLGLIEQIDE KINLNGGAIA LGHPLGCSGA RISTTLLNLM ERKDVQFGLA TMCIGLGQGI ATVFERV |
-実験情報
ビーム | 設備名称: Diamond Light Source B21 / 地域: Didcot / 国: UK ![]() | ||||||||||||||||||||||||||||||
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検出器 | 名称: Pilatus 2M | ||||||||||||||||||||||||||||||
スキャン | 測定日: 2017年5月30日 / 保管温度: 4 °C / セル温度: 20 °C / 照射時間: 3 sec. / フレーム数: 540 / 単位: 1/A /
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距離分布関数 P(R) |
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結果 |
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