- PDB-2k5q: NMR Solution structure of membrane associated protein from Bacill... -
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基本情報
登録情報
データベース: PDB / ID: 2k5q
タイトル
NMR Solution structure of membrane associated protein from Bacillus cereus: Northeast Structural Genomics Consortium Target: BcR97A
要素
Hypothetical Membrane Associated Protein BcR97A
キーワード
MEMBRANE PROTEIN / NESG / BcR97A / Bacillus cereus / Q812L6 protein / GFT NMR / Structural Genomics / PSI-2 / Protein Structure Initiative / Northeast Structural Genomics Consortium
機能・相同性
Protein of unknown function DUF1093 / Protein of unknown function DUF1093 / YxeA-like superfamily / Protein of unknown function (DUF1093) / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / Prokaryotic membrane lipoprotein lipid attachment site profile. / Beta Barrel / Mainly Beta / Hypothetical Membrane Associated Protein
手法: simulated annealing / ソフトェア番号: 1 詳細: The structure was determined using triple resonance NMR spectroscopy. Automated backbone resonance assignments were made using AutoAssign and pattern picker algorithms developed for automated ...詳細: The structure was determined using triple resonance NMR spectroscopy. Automated backbone resonance assignments were made using AutoAssign and pattern picker algorithms developed for automated assignments of GFT NMR data. Side chain assignments were completed manually. Automated NOESY assignments were made using AUTOSTRUCTURE and structure solution was determined using AUTOSTRUCTURE and CYANA-2.1. 176 structures were calculated and 20 best conformers were then refined in a shell of water using CNS. Initial Dihedral constriants were obtained from TALOS. The structure calculations were done including the C-terminal tag LEHHHHHH. Completeness of assignments excluding the 8-residue tag are: Backbone ~98.5%, sidechain ~ 95%, stereospecific methyl assignments 100%. The assignments were validated using the AVS software. Final structure quality factors determined using PSVS software: Ordered residues are defined as: 10-22,32-42,47-58,63-69,76-93. (a) RMSD(ordered residues) all Backbone atoms 0.9A; all heavy atoms 1.4A. (b) Ramachandran statistics for all ordered residues: Most favoured regions:85.9%, Additionally allowed regions 14.0%, Generously allowed region:0.2%. (c) Procheck scores for ordered residues (Raw/Z)phi-psi -0.73/-2.56, All:-0.49/-2.90 (d) MolProbity clash score (Raw/Z): 17.11/-1.41. (e) RPFscores for goodness of fit to NOESY data : Recall:0.963 Precision: 0.805F-measure:0.877 DP-score: 0.848
NMR constraints
NOE constraints total: 1121 / NOE intraresidue total count: 245 / NOE long range total count: 366 / NOE medium range total count: 129 / NOE sequential total count: 381 / Protein other angle constraints total count: 91 / Protein phi angle constraints total count: 51 / Protein psi angle constraints total count: 51
代表構造
選択基準: lowest energy
NMRアンサンブル
コンフォーマー選択の基準: structures with the lowest energy 計算したコンフォーマーの数: 176 / 登録したコンフォーマーの数: 20 / Maximum upper distance constraint violation: 0.35 Å / Torsion angle constraint violation method: PSVS software