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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: PDB / ID: 1ols | |||||||||
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| タイトル | Roles of His291-alpha and His146-beta' in the reductive acylation reaction catalyzed by human branched-chain alpha-ketoacid dehydrogenase | |||||||||
要素 | (2-OXOISOVALERATE DEHYDROGENASE ...) x 2 | |||||||||
キーワード | OXIDOREDUCTASE / KETOACID DEHYDROGENASE / BRANCHED-CHAIN / MULTI-ENZYME COMPLEX / ACYLATION / OXIDATIVE DECARBOXYLATION / MAPLE SYRUP URINE DISEASE / THIAMINE PHOSPHATE | |||||||||
| 機能・相同性 | 機能・相同性情報Loss-of-function mutations in BCKDHA or BCKDHB cause MSUD / 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) / branched-chain 2-oxo acid dehydrogenase activity / branched-chain alpha-ketoacid dehydrogenase complex / BCKDH synthesizes BCAA-CoA from KIC, KMVA, KIV / Loss-of-function mutations in DBT cause MSUD2 / Loss-of-function mutations in DLD cause MSUD3/DLDD / H139Hfs13* PPM1K causes a mild variant of MSUD / Branched-chain ketoacid dehydrogenase kinase deficiency / branched-chain amino acid catabolic process ...Loss-of-function mutations in BCKDHA or BCKDHB cause MSUD / 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) / branched-chain 2-oxo acid dehydrogenase activity / branched-chain alpha-ketoacid dehydrogenase complex / BCKDH synthesizes BCAA-CoA from KIC, KMVA, KIV / Loss-of-function mutations in DBT cause MSUD2 / Loss-of-function mutations in DLD cause MSUD3/DLDD / H139Hfs13* PPM1K causes a mild variant of MSUD / Branched-chain ketoacid dehydrogenase kinase deficiency / branched-chain amino acid catabolic process / Branched-chain amino acid catabolism / carboxy-lyase activity / response to nutrient / lipid metabolic process / mitochondrial matrix / nucleolus / mitochondrion / nucleoplasm / metal ion binding 類似検索 - 分子機能 | |||||||||
| 生物種 | HOMO SAPIENS (ヒト) | |||||||||
| 手法 | X線回折 / 分子置換 / 解像度: 1.85 Å | |||||||||
データ登録者 | Wynn, R.M. / Machius, M. / Chuang, J.L. / Li, J. / Tomchick, D.R. / Chuang, D.T. | |||||||||
引用 | ジャーナル: J.Biol.Chem. / 年: 2003タイトル: Roles of His291-Alpha and His146-Beta' in the Reductive Acylation Reaction Catalyzed by Human Branched-Chain Alpha-Ketoacid Dehydrogenase: Refined Phosphorylation Loop Structure in the Active Site. 著者: Wynn, R.M. / Machius, M. / Chuang, J.L. / Li, J. / Tomchick, D.R. / Chuang, D.T. #1: ジャーナル: J.Biol.Chem. / 年: 2001 タイトル: Roles of Active Site and Novel K+ Ion-Binding Site Residues in Human Mitochondrial Branched-Chain Alpha-Ketoacid Decarboxylase/Dehydrogenase 著者: Wynn, R.M. / Ho, R. / Chuang, J.L. / Chuang, D.T. #2: ジャーナル: Structure / 年: 2000タイトル: Crystal Structure of Human Branched-Chain Alpha-Ketoacid Dehydrogenase and the Molecular Basis of Multienzyme Complex Deficiency in Maple Syrup Urine Disease 著者: Aevarsson, A. / Chuang, J.L. / Wynn, R.M. / Turley, S. / Chuang, D.T. / Hol, W.G.J. | |||||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 1ols.cif.gz | 171.1 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb1ols.ent.gz | 131.9 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 1ols.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| 文書・要旨 | 1ols_validation.pdf.gz | 788.3 KB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 1ols_full_validation.pdf.gz | 798.9 KB | 表示 | |
| XML形式データ | 1ols_validation.xml.gz | 32.6 KB | 表示 | |
| CIF形式データ | 1ols_validation.cif.gz | 48.2 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/ol/1ols ftp://data.pdbj.org/pub/pdb/validation_reports/ol/1ols | HTTPS FTP |
-関連構造データ
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リンク
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集合体
| 登録構造単位 | ![]()
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| 1 | ![]()
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| 単位格子 |
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要素
-2-OXOISOVALERATE DEHYDROGENASE ... , 2種, 2分子 AB
| #1: タンパク質 | 分子量: 45571.098 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) HOMO SAPIENS (ヒト) / 発現宿主: ![]() 参照: UniProt: P12694, 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) |
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| #2: タンパク質 | 分子量: 37902.270 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) HOMO SAPIENS (ヒト) / 発現宿主: ![]() 参照: UniProt: P21953, 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) |
-非ポリマー , 5種, 456分子 








| #3: 化合物 | | #4: 化合物 | ChemComp-MN / | #5: 化合物 | ChemComp-TPP / | #6: 化合物 | ChemComp-GOL / | #7: 水 | ChemComp-HOH / | |
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-詳細
| 構成要素の詳細 | THE BRANCHED-CHAIN ALPHA-KETO DEHYDROGENASE COMPLEX CATALYZES CONVERSION OF ALPHA-KETO ACIDS TO ...THE BRANCHED-CHAIN ALPHA-KETO DEHYDROGEN |
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-実験情報
-実験
| 実験 | 手法: X線回折 / 使用した結晶の数: 1 |
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試料調製
| 結晶 | マシュー密度: 2.5 Å3/Da / 溶媒含有率: 51 % | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 結晶化 | 温度: 293 K / 手法: 蒸気拡散法 / pH: 5.5 詳細: CRYSTALS WERE GROWN AT 20C VIA THE VAPOR DIFFUSION METHOD BY MIXING EQUAL AMOUNTS OF PROTEIN (20-25 MG/ML IN 50 MM HEPES/NAOH, PH 7.5, 250 MM KCL, 0.5 MM PMSF, 1 MM BENZAMIDINE AND 5% (V/V) ...詳細: CRYSTALS WERE GROWN AT 20C VIA THE VAPOR DIFFUSION METHOD BY MIXING EQUAL AMOUNTS OF PROTEIN (20-25 MG/ML IN 50 MM HEPES/NAOH, PH 7.5, 250 MM KCL, 0.5 MM PMSF, 1 MM BENZAMIDINE AND 5% (V/V) GLYCEROL) WITH WELL SOLUTION (1.4-1.6 M AMMONIUM SULFATE, 0.1 M NA-CITRATE PH 5.8, 20 MM B-MERCAPTOETHANOL). SERIALLY DILUTED CRUSHED CRYSTALS WERE USED FOR MICRO-SEEDING ONE DAY AFTER THE DROPS WERE SET UP. CRYSTALS APPEARED ONE DAY AFTER SEEDING AND GREW TO A MAXIMUM SIZE OF 120 X 800 UM WITHIN 10 DAYS. CRYSTALS WERE STABILIZED FOR 12 HOURS BY TRANSFER TO FRESH WELL SOLUTION. THEY WERE THEN CRYO-PROTECTED BY STEP-WISE TRANSFER INTO CRYO-BUFFER CONTAINING 1.6 M AMMONIUM SULFATE, 50 MM HEPES, PH 7.5, 100 MM NA-CITRATE, PH 5.8,100 MM KCL, 50 MM DTT AND UP TO 20% (V/V) GLYCEROL. IT WAS FOUND THAT MN2+ IONS COULD REPLACE THE MG2+ REQUIRED FOR THE BINDING OF THDP TO THE ENZYME. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 結晶化 | *PLUS 温度: 20 ℃ / pH: 7.5 / 手法: 蒸気拡散法 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 溶液の組成 | *PLUS
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-データ収集
| 回折 | 平均測定温度: 100 K |
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| 放射光源 | 由来: 回転陽極 / タイプ: RIGAKU RU300 / 波長: 1.5418 |
| 検出器 | タイプ: RIGAKU-MSC / 検出器: IMAGE PLATE / 日付: 2002年2月7日 / 詳細: OSMIC MIRRORS |
| 放射 | モノクロメーター: CARBON / プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
| 放射波長 | 波長: 1.5418 Å / 相対比: 1 |
| 反射 | 解像度: 1.85→39.08 Å / Num. obs: 71059 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / 冗長度: 4.5 % / Biso Wilson estimate: 20.4 Å2 / Rmerge(I) obs: 0.048 / Net I/σ(I): 27.8 |
| 反射 シェル | 解像度: 1.85→1.88 Å / 冗長度: 4 % / Rmerge(I) obs: 0.556 / Mean I/σ(I) obs: 2.5 / % possible all: 99.7 |
| 反射 | *PLUS 最高解像度: 1.85 Å / 最低解像度: 39.09 Å / Num. measured all: 313991 / Rmerge(I) obs: 0.048 |
| 反射 シェル | *PLUS % possible obs: 99.7 % / Rmerge(I) obs: 0.556 / Mean I/σ(I) obs: 2.5 |
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解析
| ソフトウェア |
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| 精密化 | 構造決定の手法: 分子置換開始モデル: PDB ENTRY 1DTW 解像度: 1.85→28.75 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 427954.55 / Isotropic thermal model: RESTRAINED / 交差検証法: THROUGHOUT / σ(F): 0 詳細: THE FOLLOWING RESIDUES DID NOT HAVE CORRESPONDING ELECTRON DENSITY AND WERE OMITTED FROM THE MODEL: ALPHA-SUBUNIT: 1-5, 293-294, 299, 302-307 BETA-SUBUNIT: 1,9-13. THE FOLLOWING RESIDUES DID ...詳細: THE FOLLOWING RESIDUES DID NOT HAVE CORRESPONDING ELECTRON DENSITY AND WERE OMITTED FROM THE MODEL: ALPHA-SUBUNIT: 1-5, 293-294, 299, 302-307 BETA-SUBUNIT: 1,9-13. THE FOLLOWING RESIDUES DID HAVE POORLY DEFINED ELECTRON DENSITY AND WERE MODELLED STEREOCHEMICALLY: ALPHA- SUBUNIT: LYS19, GLN24, ARG39, GLN40, GLU55, ASP296, TYR300, ARG391, TYR308-GLN312, GLU331, GLU332, ARG338, LYS339, GLU347, LYS377, LYS400 BETA-SUBUNIT: ALA2, PHE6, GLN7, LYS20, ARG235, ILE301
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| 溶媒の処理 | 溶媒モデル: FLAT MODEL / Bsol: 48.0884 Å2 / ksol: 0.378834 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 原子変位パラメータ | Biso mean: 30.3 Å2
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| Refine analyze |
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| 精密化ステップ | サイクル: LAST / 解像度: 1.85→28.75 Å
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| 拘束条件 |
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| LS精密化 シェル | 解像度: 1.85→1.97 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 6
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| Xplor file |
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| 精密化 | *PLUS 最低解像度: 39.09 Å / Num. reflection obs: 67330 / Rfactor Rfree: 0.2018 / Rfactor Rwork: 0.1781 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 溶媒の処理 | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 原子変位パラメータ | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 拘束条件 | *PLUS
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ムービー
コントローラー
万見について




HOMO SAPIENS (ヒト)
X線回折
引用












PDBj





