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基本情報
登録情報 | データベース: PDB / ID: 1dfw | ||||||
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タイトル | CONFORMATIONAL MAPPING OF THE N-TERMINAL SEGMENT OF SURFACTANT PROTEIN B IN LIPID USING 13C-ENHANCED FOURIER TRANSFORM INFRARED SPECTROSCOPY (FTIR) | ||||||
![]() | LUNG SURFACTANT PROTEIN B | ||||||
![]() | IMMUNE SYSTEM / LUNG SURFACTANT PROTEIN / SAPOSIN | ||||||
機能・相同性 | ![]() Defective pro-SFTPB causes SMDP1 and RDS / multivesicular body lumen / lamellar body / alveolar lamellar body / Defective CSF2RB causes SMDP5 / Defective CSF2RA causes SMDP4 / sphingolipid metabolic process / clathrin-coated endocytic vesicle / respiratory gaseous exchange by respiratory system / Surfactant metabolism ...Defective pro-SFTPB causes SMDP1 and RDS / multivesicular body lumen / lamellar body / alveolar lamellar body / Defective CSF2RB causes SMDP5 / Defective CSF2RA causes SMDP4 / sphingolipid metabolic process / clathrin-coated endocytic vesicle / respiratory gaseous exchange by respiratory system / Surfactant metabolism / multivesicular body / animal organ morphogenesis / lysosome / endoplasmic reticulum membrane / extracellular space / extracellular region 類似検索 - 分子機能 | ||||||
手法 | 赤外分光 / molecular dynamics, simulated annealing | ||||||
![]() | Gordon, L.M. / Lee, K.Y.C. / Lipp, M.M. / Zasadzinski, J.A. / Walther, F.J. / Sherman, M.A. / Waring, A.J. | ||||||
![]() | ![]() タイトル: Conformational mapping of the N-terminal segment of surfactant protein B in lipid using 13C-enhanced Fourier transform infrared spectroscopy. 著者: Gordon, L.M. / Lee, K.Y. / Lipp, M.M. / Zasadzinski, J.A. / Walther, F.J. / Sherman, M.A. / Waring, A.J. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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-検証レポート
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-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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NMR アンサンブル |
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要素
#1: タンパク質・ペプチド | 分子量: 2932.701 Da / 分子数: 1 / 断片: RESIDUES 1-25 / 由来タイプ: 合成 詳細: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE OCCURS NATURALLY IN HUMANS (HOMO SAPIENS) 参照: UniProt: P07988 |
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-実験情報
-実験
実験 | 手法: 赤外分光 |
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NMR実験 | タイプ: 13-C isotope enhanced FTIR |
NMR実験の詳細 | Text: 13-C isotope enhanced FTIR study. The coordinates in this entry were generated from 13-C induced spectral shifts which give residue-specific secondary structure information. |
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試料調製
結晶 | 解説: THIS STRUCTURE WAS DETERMINED USING 13-C ISOTOPE ENHANCED FTIR SPECTROSCOPY ON A FAMILY OF SELECTIVELY LABELED CHEMICALLY SYNTHESIZED PEPTIDES. 13-C CARBONYL LABELS INCLUDED RESIDUES ...解説: THIS STRUCTURE WAS DETERMINED USING 13-C ISOTOPE ENHANCED FTIR SPECTROSCOPY ON A FAMILY OF SELECTIVELY LABELED CHEMICALLY SYNTHESIZED PEPTIDES. 13-C CARBONYL LABELS INCLUDED RESIDUES 1,3,5,8,10,11,13,14,15,16,18,25. SOLVENT SYSTEM: LIPOSOMES OF 1-PALMITOYL-2-OLEOYL PHOSPHATIDYLGLYCEROL (POPG). SAMPLE CONDITIONS: 298 K, 1 ATM, PH 7.4, IONIC STRENGTH 10 MM PHOSPHATE. TOTAL NUMBER OF CONFORMERS CALCULATED: 15; TOTAL NUMBER OF CONFORMERS SUBMITTED: 10; REPRESENTATIVE CONFORMER 8 (CLOSEST TO THE AVERAGE). SPECTROMETER: MATTSON FTIR RESEARCH SERIES. REFINEMENT METHOD: MOLECULAR DYNAMICS, SIMULATED ANNEALING. SOFTWARE: WINFIRST (FTIR CURVE FITTING SOFTWARE), DISCOVER 2.9.7, MOLECULAR SIMULATIONS, INC. (SAN DIEGO, CA). |
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詳細 | 内容: This structure was determined using 13-C isotope enhanced FTIR spectroscopy on a family of selectively labeled chemically synthesized peptides. 13-C carbonyl labels included residues ...内容: This structure was determined using 13-C isotope enhanced FTIR spectroscopy on a family of selectively labeled chemically synthesized peptides. 13-C carbonyl labels included residues 1,3,5,8,10,11,13,14,15,16,18,25. 溶媒系: Liposomes of 1-palmitoyl-2-oleoyl phosphatidylglycerol (POPG) |
試料状態 | イオン強度: 10 mM phosphate / pH: 7.4 / 圧: 1 atm / 温度: 298 K |
結晶化 | *PLUS 手法: other / 詳細: FTIR |
-データ収集
NMRスペクトロメーター | タイプ: Mattson FTIR Research Series / 製造業者: Mattson FTIR / モデル: Research Series |
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解析
NMR software |
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精密化 | 手法: molecular dynamics, simulated annealing / ソフトェア番号: 1 詳細: Molecular dynamics (simulated annealing) was used to generate an ensemble of conformers consistent with the FTIR data. | ||||||||||||
代表構造 | 選択基準: closest to the average | ||||||||||||
NMRアンサンブル | コンフォーマー選択の基準: structures with acceptable covalent geometry 計算したコンフォーマーの数: 15 / 登録したコンフォーマーの数: 10 |