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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: 1req | ||||||
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タイトル | METHYLMALONYL-COA MUTASE | ||||||
![]() | (METHYLMALONYL-COA ...) x 2 | ||||||
![]() | ISOMERASE / MUTASE / INTRAMOLECULAR TRANSFERASE | ||||||
機能・相同性 | ![]() lactate fermentation to propionate and acetate / propionate metabolic process, methylmalonyl pathway / methylmalonyl-CoA mutase / methylmalonyl-CoA mutase activity / cobalamin binding / metal ion binding / cytoplasm 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | ![]() ![]() | ||||||
![]() | Evans, P.R. / Mancia, F. | ||||||
![]() | ![]() タイトル: How coenzyme B12 radicals are generated: the crystal structure of methylmalonyl-coenzyme A mutase at 2 A resolution. 著者: Mancia, F. / Keep, N.H. / Nakagawa, A. / Leadlay, P.F. / McSweeney, S. / Rasmussen, B. / Bosecke, P. / Diat, O. / Evans, P.R. #1: ![]() タイトル: Adenosylcobalamin-Dependent Methylmalonyl-Coa Mutase from Propionibacterium Shermanii. Active Holoenzyme Produced from Escherichia Coli 著者: Mckie, N. / Keep, N.H. / Patchett, M.L. / Leadlay, P.F. | ||||||
履歴 |
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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
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ダウンロード
PDBx/mmCIF形式 | ![]() | 573.2 KB | 表示 | ![]() |
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PDB形式 | ![]() | 453.7 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.5 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.6 MB | 表示 | |
XML形式データ | ![]() | 122.4 KB | 表示 | |
CIF形式データ | ![]() | 171.3 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | 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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2 | ![]()
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単位格子 |
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非結晶学的対称性 (NCS) | NCS oper: (Code: given Matrix: (-0.464135, 0.013887, 0.885656), ベクター: 詳細 | THE ASYMMETRIC UNIT OF THE CRYSTAL CONTAINS TWO HETERODIMERIC MOLECULES, EACH WITH AN ALPHA CHAIN (CHAINS A AND C, CORRESPONDING TO GENE MUTB) AND A BETA CHAIN (CHAINS B AND D, CORRESPONDING TO GENE MUTA). MOLECULE 1 CONSISTS OF CHAINS A (ALPHA), B (BETA), WITH GLYCEROL CHAIN G AND WATERS X. MOLECULE 2 CONSISTS OF CHAINS C (ALPHA), D (BETA), WITH GLYCEROL CHAIN H AND WATERS Y. CHAINS A AND C INCLUDE COENZYME B12 (RESIDUE 800), DESULPHO-COA (RESIDUE 801) AND A GLYCEROL IN THE ACTIVE SITE (RESIDUE 802). | |
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要素
-METHYLMALONYL-COA ... , 2種, 4分子 ACBD
#1: タンパク質 | 分子量: 80137.852 Da / 分子数: 2 / 由来タイプ: 組換発現 詳細: CHAINS A AND C INCLUDE COENZYME B12, DESULPHO-COA, AND A GLYCEROL IN THE ACTIVE SITE. B12 IS PRESENT LARGELY AS REDUCED COB(II)ALAMIN, OR B12R. 由来: (組換発現) ![]() 生物種: Propionibacterium freudenreichii / 株: NCIB 9885 解説: THE 2 GENES MUTA (BETA CHAIN) AND MUTB (ALPHA CHAIN) ARE COEXPRESSED FROM THE SAME PLASMID 細胞株: 293 / 遺伝子: MUTA MUTB / プラスミド: PMEX1 / 遺伝子 (発現宿主): MUTA, MUTB / 発現宿主: K38 PGP1-2 / 株 (発現宿主): 293 / 参照: UniProt: P11653, methylmalonyl-CoA mutase #2: タンパク質 | 分子量: 69430.188 Da / 分子数: 2 / 由来タイプ: 組換発現 詳細: CHAINS A AND C INCLUDE COENZYME B12, DESULPHO-COA, AND A GLYCEROL IN THE ACTIVE SITE. B12 IS PRESENT LARGELY AS REDUCED COB(II)ALAMIN, OR B12R. 由来: (組換発現) ![]() 生物種: Propionibacterium freudenreichii / 株: NCIB 9885 解説: THE 2 GENES MUTA (BETA CHAIN) AND MUTB (ALPHA CHAIN) ARE COEXPRESSED FROM THE SAME PLASMID 細胞株: 293 / 遺伝子: MUTA MUTB / プラスミド: PMEX1 / 遺伝子 (発現宿主): MUTA, MUTB / 発現宿主: ![]() ![]() |
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-非ポリマー , 4種, 1545分子 






#3: 化合物 | #4: 化合物 | #5: 化合物 | ChemComp-GOL / #6: 水 | ChemComp-HOH / | |
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-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶 | マシュー密度: 2.76 Å3/Da / 溶媒含有率: 48 % | ||||||||||||||||||||||||||||||||||||||||||||||||||
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結晶化 | 詳細: THE CRYSTALS WERE GROWN IN THE PRESENCE OF 2MM EXCESS 5'-DEOXYADENOSYLCOBALAMIN (COENZYME B12) AND 12MM DESULPHO-COA (FINAL CONCENTRATIONS), EQUILIBRATED AGAINST 14% W/V PEG 4000 AND 20% V/V ...詳細: THE CRYSTALS WERE GROWN IN THE PRESENCE OF 2MM EXCESS 5'-DEOXYADENOSYLCOBALAMIN (COENZYME B12) AND 12MM DESULPHO-COA (FINAL CONCENTRATIONS), EQUILIBRATED AGAINST 14% W/V PEG 4000 AND 20% V/V GLYCEROL, 100MM TRIS PH 7.5. THE ELECTRON DENSITY MAPS SHOW NO ADENOSYL GROUP ATTACHED TO THE COBALT ATOM, AND SPECTRA FROM SIMILAR CRYSTALS SHOW EVIDENCE OF SUBSTANTIAL REDUCTION OF COIII TO COII, WHICH IS 5-COORDINATE. THE COBALAMIN IN THIS CRYSTAL STRUCTURE IS BEST CONSIDERED AS REDUCED COB(II)ALAMIN (OR B12R). THE BOND LENGTH FROM THE COBALT TO THE LOWER AXIAL LIGAND, NE2 OF HIS A 610 (OR HIS C 610) IS SIGNIFICANTLY LONGER THAN THAT IN MODEL COMPOUNDS. POORLY ORDERED LOOPS: DENSITY IN THE FOLLOWING REGIONS IS POOR, AND THE MODEL MUST BE CONSIDERED UNRELIABLE. ALPHA CHAIN: A 1, C 1 MISSING, A 2 - A 3, C 2 - C 3 WEAK. BETA CHAIN: B 1 - C 19, C 1 - C 16 MISSING; B 184 - B 191, D 184 - D 191 WEAK; D 228 - D 230 WEAK; D 271 - D 276 VERY POOR DENSITY (MUCH BETTER IN CHAIN B); D 315 WEAK; D 474 - D 428 WEAK. | ||||||||||||||||||||||||||||||||||||||||||||||||||
結晶化 | *PLUS 温度: 23 ℃ / 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
放射光源 | 由来: ![]() ![]() ![]() |
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検出器 | タイプ: MAR scanner 300 mm plate / 検出器: IMAGE PLATE / 日付: 1994年6月24日 |
放射 | 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
放射波長 | 波長: 0.9 Å / 相対比: 1 |
反射 | 解像度: 2→20 Å / Num. obs: 217377 / % possible obs: 99.8 % / Observed criterion σ(I): 5 / 冗長度: 4.6 % / Rmerge(I) obs: 0.051 |
反射 | *PLUS Num. measured all: 1008268 |
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解析
ソフトウェア |
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精密化 | 解像度: 2→20 Å / σ(F): 0 詳細: DERIVED FROM ENGH AND HUBER PARAMETERS BY V. LAMZIN FINAL RMS COORD. SHIFT 0.009 ANGSTROMS
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原子変位パラメータ | Biso mean: 42 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 2→20 Å
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拘束条件 |
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ソフトウェア | *PLUS 名称: REFMAC / 分類: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化 | *PLUS Rfactor obs: 0.22 / Rfactor Rwork: 0.22 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
溶媒の処理 | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | *PLUS |