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基本情報
登録情報 | データベース: PDB / ID: 8est | ||||||
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タイトル | REACTION OF PORCINE PANCREATIC ELASTASE WITH 7-SUBSTITUTED 3-ALKOXY-4-CHLOROISOCOUMARINS: DESIGN OF POTENT INHIBITORS USING THE CRYSTAL STRUCTURE OF THE COMPLEX FORMED WITH 4-CHLORO-3-ETHOXY-7-GUANIDINO-ISOCOUMARIN | ||||||
![]() | PORCINE PANCREATIC ELASTASE | ||||||
![]() | HYDROLASE(SERINE PROTEINASE) | ||||||
機能・相同性 | ![]() pancreatic elastase / serine-type endopeptidase activity / proteolysis / extracellular space / metal ion binding 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() | ||||||
手法 | ![]() | ||||||
![]() | Radhakrishnan, R. / Powers, J.C. / Meyerjunior, E.F. | ||||||
![]() | ![]() タイトル: Reaction of porcine pancreatic elastase with 7-substituted 3-alkoxy-4-chloroisocoumarins: design of potent inhibitors using the crystal structure of the complex formed with 4-chloro-3- ...タイトル: Reaction of porcine pancreatic elastase with 7-substituted 3-alkoxy-4-chloroisocoumarins: design of potent inhibitors using the crystal structure of the complex formed with 4-chloro-3-ethoxy-7-guanidinoisocoumarin. 著者: Powers, J.C. / Oleksyszyn, J. / Narasimhan, S.L. / Kam, C.M. #1: ![]() タイトル: Effect of the 7-Amino Substituent on the Inhibitory Potency of Mechanism-Based Isocoumarin Inhibitors for Porcine Pancreatic and Human Neutrophil Elastases: A 1.85-Angstroms X-Ray ...タイトル: Effect of the 7-Amino Substituent on the Inhibitory Potency of Mechanism-Based Isocoumarin Inhibitors for Porcine Pancreatic and Human Neutrophil Elastases: A 1.85-Angstroms X-Ray Structure of the Complex between Porcine Pancreatic Elastase and 7-[(N-Tosylphenylalanyl)Amino]-4-Chloro-3-Methoxyisocoumarin 著者: Hernandez, M.A. / Powers, J.C. / Glinski, J. / Oleksyszyn, J. / Vijayalakshmi, J. / Meyerjunior, E.F. #2: ![]() タイトル: Structural Study of Porcine Pancreatic Elastase Complexed with 7-Amino-3-(2-Bromoethoxy)-4-Chloroisocoumarin as a Nonreactivatable Doubly Covalent Enzyme-Inhibitor Complex 著者: Vijayalakshmi, J. / Meyerjunior, E.F. / Kam, C.-M. / Powers, J.C. #3: ![]() タイトル: The 2.2-Angstrom Resolution X-Ray Crystal Structure of the Complex of Trypsin Inhibited by 4-Chloro-3-Ethoxy-7-Guanidinoisocoumarin: A Proposed Model of the Thrombin-Inhibitor Complex 著者: Chow, M.M. / Meyerjunior, E.F. / Bode, W. / Kam, C.-M. / Radhakrishnan, R. / Vijayalakshmi, J. / Powers, J.C. #4: ![]() タイトル: Human Leukocyte and Porcine Pancreatic Elastase: X-Ray Crystal Structures, Mechanism, Substrate Specificity, and Mechanism-Based Inhibitors 著者: Bode, W. / Meyerjunior, E.F. / Powers, J.C. #5: ![]() タイトル: Crystal Structures of the Complex of Porcine Pancreatic Elastase with Two Valine-Derived Benzoxazinone Inhibitors 著者: Radhakrishnan, R. / Presta, L.G. / Meyerjunior, E.F. / Wildonger, R. #6: ![]() タイトル: Stereospecific Reaction of 3-Methoxy-4-Chloro-7-Amino-Isocoumarin with Crystalline Porcine Pancreatic Elastase 著者: Meyerjunior, E.F. / Presta, L.G. / Radhakrishnan, R. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 64.9 KB | 表示 | ![]() |
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集合体
登録構造単位 | ![]()
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単位格子 |
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Atom site foot note | 1: THE FOLLOWING ATOMS WERE TREATED AS DUMMY ATOMS, WHICH MEANS THAT THEY CONTRIBUTED TO THE ENERGY REFINEMENT PART OF EREF BUT NOT TO THE CALCULATED STRUCTURE FACTORS -SER 36C OG, SER 37 OG, ARG 61 ...1: THE FOLLOWING ATOMS WERE TREATED AS DUMMY ATOMS, WHICH MEANS THAT THEY CONTRIBUTED TO THE ENERGY REFINEMENT PART OF EREF BUT NOT TO THE CALCULATED STRUCTURE FACTORS -SER 36C OG, SER 37 OG, ARG 61 (CZ,NH1,NH2), GLN 110 (CG,CD,OE1,NE2), ARG 125 (CG,CD,NE,CZ,NH1,NH2), SO4 247 (O1,O3). |
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要素
#1: タンパク質 | 分子量: 25928.031 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
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#2: 化合物 | ChemComp-SO4 / |
#3: 化合物 | ChemComp-CA / |
#4: 化合物 | ChemComp-GIS / |
#5: 水 | ChemComp-HOH / |
構成要素の詳細 | THIS COMPLEX IS ONE OF THE BEST IRREVERSIBLE INHIBITORS THUS FAR REPORTED FOR PPE (KOBS/[I] = ...THIS COMPLEX IS ONE OF THE BEST IRREVERSIB |
Has protein modification | Y |
非ポリマーの詳細 | THE TITLE INHIBITOR HAS BEEN STUDIED IN TWO RELATED ENZYMES PPE AND BOVINE TRYPSIN (REFERENCE 3). ...THE TITLE INHIBITOR HAS BEEN STUDIED IN TWO RELATED ENZYMES PPE AND BOVINE TRYPSIN (REFERENCE 3). IN THE LATTER CASE, AS WOULD BE EXPECTED, THE POSITIVELY |
-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: 2.14 Å3/Da / 溶媒含有率: 42.49 % |
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結晶化 | *PLUS 手法: unknown |
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解析
ソフトウェア | 名称: EREF / 分類: 精密化 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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精密化 | 解像度: 1.78→7 Å / Rfactor Rwork: 0.17 詳細: THE FOLLOWING ATOMS WERE TREATED AS DUMMY ATOMS, WHICH MEANS THAT THEY CONTRIBUTED TO THE ENERGY REFINEMENT PART OF EREF BUT NOT TO THE CALCULATED STRUCTURE FACTORS -SER 36C OG, SER 37 OG, ...詳細: THE FOLLOWING ATOMS WERE TREATED AS DUMMY ATOMS, WHICH MEANS THAT THEY CONTRIBUTED TO THE ENERGY REFINEMENT PART OF EREF BUT NOT TO THE CALCULATED STRUCTURE FACTORS -SER 36C OG, SER 37 OG, ARG 61 (CZ,NH1,NH2), GLN 110 (CG,CD,OE1,NE2), ARG 125 (CG,CD,NE,CZ,NH1,NH2), SO4 247 (O1,O3). | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 1.78→7 Å
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拘束条件 |
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