+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 5dfr | ||||||
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タイトル | CRYSTAL STRUCTURE OF UNLIGANDED ESCHERICHIA COLI DIHYDROFOLATE REDUCTASE. LIGAND-INDUCED CONFORMATIONAL CHANGES AND COOPERATIVITY IN BINDING | ||||||
要素 | DIHYDROFOLATE REDUCTASE | ||||||
キーワード | OXIDOREDUCTASE / OXIDO-REDUCTASE | ||||||
機能・相同性 | 機能・相同性情報 methotrexate binding / dihydrofolic acid binding / 10-formyltetrahydrofolate biosynthetic process / response to methotrexate / NADP+ binding / folic acid biosynthetic process / folic acid binding / dihydrofolate metabolic process / folic acid metabolic process / dihydrofolate reductase ...methotrexate binding / dihydrofolic acid binding / 10-formyltetrahydrofolate biosynthetic process / response to methotrexate / NADP+ binding / folic acid biosynthetic process / folic acid binding / dihydrofolate metabolic process / folic acid metabolic process / dihydrofolate reductase / dihydrofolate reductase activity / 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 | Escherichia coli (大腸菌) | ||||||
手法 | X線回折 / 解像度: 2.3 Å | ||||||
データ登録者 | Bystroff, C. / Kraut, J. | ||||||
引用 | ジャーナル: Biochemistry / 年: 1991 タイトル: Crystal structure of unliganded Escherichia coli dihydrofolate reductase. Ligand-induced conformational changes and cooperativity in binding. 著者: Bystroff, C. / Kraut, J. #1: ジャーナル: Biochemistry / 年: 1990 タイトル: Crystal Structures of Escherichia Coli Dihydrofolate Reductase. The Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and a Model for the Transition State 著者: Bystroff, C. / Oatley, S.J. / Kraut, J. #2: ジャーナル: J.Biol.Chem. / 年: 1982 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 著者: Bolin, J.T. / Filman, D.J. / Matthews, D.A. / Hamlin, R.C. / Kraut, J. #3: ジャーナル: Biochemistry / 年: 1987 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. #4: ジャーナル: J.Biol.Chem. / 年: 1982 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. #5: ジャーナル: J.Biol.Chem. / 年: 1982 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. #6: ジャーナル: Biochemistry / 年: 1979 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. #7: ジャーナル: J.Biol.Chem. / 年: 1979 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. #8: ジャーナル: J.Biol.Chem. / 年: 1979 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. #9: ジャーナル: J.Biol.Chem. / 年: 1978 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. #10: ジャーナル: Biochemistry / 年: 1978 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. #11: ジャーナル: Science / 年: 1977 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. #12: ジャーナル: Biochemistry / 年: 1972 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. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 5dfr.cif.gz | 48.3 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb5dfr.ent.gz | 34.1 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 5dfr.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 | 5dfr_validation.pdf.gz | 374.8 KB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 5dfr_full_validation.pdf.gz | 394 KB | 表示 | |
XML形式データ | 5dfr_validation.xml.gz | 7.4 KB | 表示 | |
CIF形式データ | 5dfr_validation.cif.gz | 10.4 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/df/5dfr ftp://data.pdbj.org/pub/pdb/validation_reports/df/5dfr | HTTPS FTP |
-関連構造データ
-リンク
-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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Atom site foot note | 1: RESIDUES PRO 21 - LEU 24 ARE WEAK. THERE IS UNINTERPRETED DENSITY ASSOCIATED WITH THE SIDE CHAIN OF PHE 31. RESIDUES 95 - 96 ARE PARTIALLY DISORDERED. VAL 10, GLU 120, ASP 122, AND ASP 127 HAVE ...1: RESIDUES PRO 21 - LEU 24 ARE WEAK. THERE IS UNINTERPRETED DENSITY ASSOCIATED WITH THE SIDE CHAIN OF PHE 31. RESIDUES 95 - 96 ARE PARTIALLY DISORDERED. VAL 10, GLU 120, ASP 122, AND ASP 127 HAVE DISORDERED SIDE CHAINS. THE SIDE CHAIN OF LEU 28, IN THE SUBSTRATE BINDING SITE, APPEARS TO BE PARTIALLY DISORDERED. 2: THE IDENTITY OF IONS 501 THROUGH 503 IS NOT DETERMINED. THEY HAVE TENATIVELY BEEN ASSIGNED AS CHLORINE IONS BASED ON THEIR ELECTRON DENSITY, THE BINDING ENVIRONMENT, AND THE BELIEF THAT CHLORIDE ...2: THE IDENTITY OF IONS 501 THROUGH 503 IS NOT DETERMINED. THEY HAVE TENATIVELY BEEN ASSIGNED AS CHLORINE IONS BASED ON THEIR ELECTRON DENSITY, THE BINDING ENVIRONMENT, AND THE BELIEF THAT CHLORIDE IS THE ONLY NEGATIVELY-CHARGED MONO-ATOMIC ION PRESENT IN THE CRYSTALLIZATION MIXTURE. |
-要素
#1: タンパク質 | 分子量: 18020.326 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Escherichia coli (大腸菌) / 参照: UniProt: P0ABQ4, dihydrofolate reductase | ||||
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#2: 化合物 | #3: 水 | ChemComp-HOH / | 非ポリマーの詳細 | THE IDENTITY OF IONS 501 THROUGH 503 IS NOT DETERMINED. THEY HAVE TENATIVELY BEEN ASSIGNED AS ...THE IDENTITY OF IONS 501 THROUGH 503 IS NOT DETERMINED | |
-実験情報
-実験
実験 | 手法: X線回折 |
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-試料調製
結晶 | マシュー密度: 3.15 Å3/Da / 溶媒含有率: 60.98 % | ||||||||||||||||||||||||||||||
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結晶化 | *PLUS 温度: 4 ℃ / pH: 5.4 / 手法: 蒸気拡散法, ハンギングドロップ法 | ||||||||||||||||||||||||||||||
溶液の組成 | *PLUS
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-データ収集
反射 | *PLUS 最高解像度: 2.05 Å / 最低解像度: 2.3 Å / Num. all: 63697 / Num. obs: 14169 / Num. measured all: 14730 / Rmerge(I) obs: 0.043 |
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-解析
ソフトウェア | 名称: PROLSQ / 分類: 精密化 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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精密化 | 解像度: 2.3→20 Å / Rfactor obs: 0.198 詳細: THE PAPER CITED ON THE *JRNL* RECORDS ABOVE DISCUSSES THE QUESTION AS TO WHETHER THE PEPTIDE BOND BETWEEN GLY 95 AND GLY 96 IS IN THE CIS OR THE TRANS CONFORMATION. A DISORDERED MODEL IN ...詳細: THE PAPER CITED ON THE *JRNL* RECORDS ABOVE DISCUSSES THE QUESTION AS TO WHETHER THE PEPTIDE BOND BETWEEN GLY 95 AND GLY 96 IS IN THE CIS OR THE TRANS CONFORMATION. A DISORDERED MODEL IN WHICH THIS PEPTIDE EXISTS IN BOTH CONFORMERS CANNOT BE RULED OUT. IN THIS ENTRY, HOWEVER, ONLY COORDINATES CORRESPONDING TO THE TRANS CONFORMATION ARE PROVIDED. RESIDUES PRO 21 - LEU 24 ARE WEAK. THERE IS UNINTERPRETED DENSITY ASSOCIATED WITH THE SIDE CHAIN OF PHE 31. RESIDUES GLY 95 - GLY 96 ARE PARTIALLY DISORDERED. VAL 10, GLU 120, ASP 122, AND ASP 127 HAVE DISORDERED SIDE CHAINS. THE SIDE CHAIN OF LEU 28, IN THE SUBSTRATE BINDING SITE, APPEARS TO BE PARTIALLY DISORDERED. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 2.3→20 Å
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拘束条件 |
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精密化 | *PLUS 最高解像度: 2.3 Å / 最低解像度: 20 Å / Rfactor obs: 0.198 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
溶媒の処理 | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | *PLUS Biso mean: 31 Å2 |