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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: 4dfr | |||||||||
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タイトル | CRYSTAL STRUCTURES OF ESCHERICHIA COLI AND LACTOBACILLUS CASEI DIHYDROFOLATE REDUCTASE REFINED AT 1.7 ANGSTROMS RESOLUTION. I. GENERAL FEATURES AND BINDING OF METHOTREXATE | |||||||||
![]() | DIHYDROFOLATE REDUCTASE | |||||||||
![]() | OXIDOREDUCTASE / OXIDO-REDUCTASE | |||||||||
機能・相同性 | ![]() methotrexate binding / dihydrofolic acid binding / 10-formyltetrahydrofolate biosynthetic process / response to methotrexate / NADP+ binding / folic acid biosynthetic process / folic acid binding / dihydrofolate metabolic process / dihydrofolate reductase / dihydrofolate reductase activity ...methotrexate binding / dihydrofolic acid binding / 10-formyltetrahydrofolate biosynthetic process / response to methotrexate / NADP+ binding / folic acid biosynthetic process / folic acid binding / dihydrofolate metabolic process / dihydrofolate reductase / dihydrofolate reductase activity / folic acid metabolic process / NADPH binding / tetrahydrofolate biosynthetic process / one-carbon metabolic process / NADP binding / response to xenobiotic stimulus / response to antibiotic / cytosol 類似検索 - 分子機能 | |||||||||
生物種 | ![]() ![]() | |||||||||
手法 | ![]() | |||||||||
![]() | Filman, D.J. / Matthews, D.A. / Bolin, J.T. / Kraut, J. | |||||||||
![]() | ![]() タイトル: Crystal structures of Escherichia coli and Lactobacillus casei dihydrofolate reductase refined at 1.7 A resolution. I. General features and binding of methotrexate. 著者: Bolin, J.T. / Filman, D.J. / Matthews, D.A. / Hamlin, R.C. / Kraut, J. #1: ![]() タイトル: Effect of Single Amino Acid Replacements on the Folding and Stability of Dihydrofolate Reductase from Escherichia Coli 著者: Perry, K.M. / Onuffer, J.J. / Touchette, N.A. / Herndon, C.S. / Gittelman, M.S. / Matthews, C.R. / Chen, J.-T. / Mayer, R.J. / Taira, K. / Benkovic, S.J. / Howell, E.E. / Kraut, J. #2: ![]() タイトル: Crystal Structures of Escherichia Coli and Lactobacillus Casei Dihydrofolate Reductase Refined at 1.7 Angstroms Resolution. II. Environment of Bound Nadph and Implications for Catalysis 著者: Filman, D.J. / Bolin, J.T. / Matthews, D.A. / Kraut, J. #3: ![]() タイトル: Crystal Structure of Avian Dihydrofolate Reductase Containing Phenyltriazine and Nadph 著者: Volz, K.W. / Matthews, D.A. / Alden, R.A. / Freer, S.T. / Hansch, C. / Kaufman, B.T. / Kraut, J. #4: ![]() タイトル: Interpretation of Nuclear Magnetic Resonance Spectra for Lactobacillus Casei Dihydrofolate Reductase Based on the X-Ray Structure of the Enzyme-Methotrexate-Nadph Complex 著者: Matthews, D.A. #5: ![]() タイトル: Dihydrofolate Reductase from Lactobacillus Casei. Stereochemistry of Nadph Binding 著者: Matthews, D.A. / Alden, R.A. / Freer, S.T. / Xuong, N.-H. / Kraut, J. #6: ![]() タイトル: Proton Magnetic Resonance Studies on Escherichia Coli Dihydrofolate Reductase. Assignment of Histidine C-2 Protons in Binary Complexes with Folates on the Basis of the Crystal Structure ...タイトル: Proton Magnetic Resonance Studies on Escherichia Coli Dihydrofolate Reductase. Assignment of Histidine C-2 Protons in Binary Complexes with Folates on the Basis of the Crystal Structure with Methotrexate and on Chemical Modifications 著者: Poe, M. / Hoogsteen, K. / Matthews, D.A. #7: ![]() タイトル: Dihydrofolate Reductase from Lactobacillus Casei. X-Ray Structure of the Enzyme-Methotrexate-Nadph Complex 著者: Matthews, D.A. / Alden, R.A. / Bolin, J.T. / Filman, D.J. / Freer, S.T. / Hamlin, R. / Hol, W.G.J. / Kisliuk, R.L. / Pastore, E.J. / Plante, L.T. / Xuong, N.-H. / Kraut, J. #8: ![]() タイトル: Dihydrofolate Reductase. The Amino Acid Sequence of the Enzyme from a Methotrexate-Resistant Mutant of Escherichia Coli 著者: Bennett, C.D. / Rodkey, J.A. / Sondey, J.M. / Hirschmann, R. #9: ![]() タイトル: Dihydrofolate Reductase. X-Ray Structure of the Binary Complex with Methotrexate 著者: Matthews, D.A. / Alden, R.A. / Bolin, J.T. / Freer, S.T. / Hamlin, R. / Xuong, N. / Kraut, J. / Poe, M. / Williams, M. / Hoogsteen, K. #10: ![]() タイトル: Dihydrofolate Reductase. Purification and Characterization of the Enzyme from an Amethopterin-Resistant Mutant of Escherichia Coli 著者: Poe, M. / Greenfield, N.J. / Hirshfield, J.M. / Williams, M.N. / Hoogsteen, K. | |||||||||
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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 | ![]() | 101.3 KB | 表示 | ![]() |
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PDB形式 | ![]() | 67.4 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 | ![]() | 510.4 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 627.7 KB | 表示 | |
XML形式データ | ![]() | 23.4 KB | 表示 | |
CIF形式データ | ![]() | 32.2 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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単位格子 |
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Atom site foot note | 1: SEE REMARK 8. / 2: SEE REMARK 9. / 3: SEE REMARK 10. / 4: SEE REMARK 11. | ||||||||
非結晶学的対称性 (NCS) | NCS oper: (Code: given Matrix: (-0.92116, -0.37966, 0.636818), ベクター: 詳細 | THE MTRIX TRANSFORMATION PRESENTED BELOW WILL SUPERIMPOSE MOLECULE B ON MOLECULE A. | |
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要素
#1: タンパク質 | 分子量: 18020.393 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() #2: 化合物 | #3: 化合物 | #4: 化合物 | ChemComp-CA / | #5: 水 | ChemComp-HOH / | 配列の詳細 | RESIDUE 142 IS LISTED AS ASN IN THE SEQUENCE PAPER (SEE REFERENCE 9 ABOVE). THE X-RAY STRUCTURE ...RESIDUE 142 IS LISTED AS ASN IN THE SEQUENCE PAPER (SEE REFERENCE 9 ABOVE). THE X-RAY STRUCTURE SUGGESTS IT IS ASP (EVIDENCE IS INTERMOLEC | |
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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: 2.56 Å3/Da / 溶媒含有率: 51.93 % | ||||||||||||||||||||
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結晶化 | *PLUS 手法: unknown | ||||||||||||||||||||
溶液の組成 | *PLUS
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-データ収集
放射 | 散乱光タイプ: x-ray |
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放射波長 | 相対比: 1 |
反射 | *PLUS 最高解像度: 1.7 Å / Num. obs: 32554 / % possible obs: 88 % |
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解析
精密化 | Rfactor Rwork: 0.155 / 最高解像度: 1.7 Å 詳細: MOLECULE DESIGNATED AS CHAIN B BELOW IS PREFERRED FOR STRUCTURAL COMPARISONS BECAUSE IT IS MORE COMPLETE AND LESS PERTURBED BY INTERMOLECULAR CONTACTS. ALTERNATE LOCATIONS *A* AND *B* ARE ...詳細: MOLECULE DESIGNATED AS CHAIN B BELOW IS PREFERRED FOR STRUCTURAL COMPARISONS BECAUSE IT IS MORE COMPLETE AND LESS PERTURBED BY INTERMOLECULAR CONTACTS. ALTERNATE LOCATIONS *A* AND *B* ARE PARTIALLY OCCUPIED CONFORMATIONS FOR RESIDUES SER A 64, SER A 150, HIS B 45, SER B 64 AND ASP B 122. IN ALL CASES, *A* IS BELIEVED TO BE THE MAJOR CONFORMER. NEITHER THE OCCUPANCIES NOR THE THERMAL PARAMETERS SHOULD BE CONSIDERED AS RELIABLE. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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精密化ステップ | サイクル: LAST / 最高解像度: 1.7 Å
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拘束条件 |
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精密化 | *PLUS 最高解像度: 1.7 Å / Num. reflection all: 32554 / Rfactor obs: 0.155 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
溶媒の処理 | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | *PLUS |