EnzFitter 2 酵素動力學資料軟體
- EnzFitter 2 酵素動力學資料軟體
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類別生化統計分析軟體
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介紹EnzFitter是一個通用的曲線擬合軟件包，它的定制功能使其特別適用於酶動力學實驗的分析。例如，對於單底物和雙底物速率數據，可以獲得初始速率和參數值以及它們的置信限。內置模型包括有或沒有底物抑制的Michaelis-Menten，競爭性、非競爭性和混合性抑制，三元復合或有序雙雙系統以及有或沒有底物抑制的乒乓。你可以很容易地在常規代數語法中添加其他模型。
EnzFitter 2 酵素動力學資料
EnzFitter is a generic curve-fitting package which has custom features designed to make it especially suitable for analysis of enzyme kinetics experiments. For example, initial rate and parameter values can be obtained with their confidence limits for single and twin substrate rate data. Built-in models include Michaelis-Menten with or without substrate inhibition, competitive, uncompetitive and mixed inhibition, ternary complex or ordered bi-bi systems and ping-pong with and without inhibition by substrates. You can easily add other models in conventional algebraic syntax.
Data import formats include EnzFitter for DOS files as well as ASCII delimited, dBase, FoxPro, Excel, Quattro Pro, Lotus 123, Paradox and Symphony. File and dataset sizes are limited only by available memory and multiple data sets can be created for each file. There are advanced data editing facilities including: insert/edit/remove points, copy and move blocks of data and edit column titles. Missing data and replicates are catered for. Descriptive statistics of the data can be displayed and exported. The worksheet is customizable (e.g. font, colors, borders, row height and column width) and when data are printed they can be given custom headers or footers. You can insert new columns or rows at any time. Many data transforms are supplied or you can create your own equations for transforms. You can create templates for data formats you use frequently which, combined with graph templates virtually automate routine assays.
Multiple curve fits can be performed for any data set using either the Marquardt or Simplex algorithms. Optionally, data can be weighted robustly, statistically, proportionally or with explicit values. A genetic algorithm generates excellent initial parameter estimates but parameters can be constrained to a range of values or fixed when necessary. The results are presented in tabular and graphic form and can be saved to disk, printed or exported to other programs. Export formats include, for graphs, Bitmaps, Metafiles, JPG or TIF and, for numeric results, ASCII delimited and Excel. Graphs of raw and fitted data can be plotted and, to distinguish datasets, you can select a variety of symbols, semi-continuous lines and also add labels. Subsidiary graphs of extra sets of data, residuals and transformed /derivative plots of the same data can be inset on the main graph.
EnzFitter can be set up to run in batch mode (performing several analyses automatically, without user intervention) and it also supports OLE Automation. For more general assay use, you can calculate unknowns from fitted standard curves. You can create text Notes that are attached to any file, dataset or curve fit. There is also an automatic Logbook which records all changes made to a given file.
系統需求
Windows Vista, 7, 8 and 10 (32 and 64 bit)
EnzFitter 2 酵素動力學資料
EnzFitter 是一個通用的曲線擬合包，它具有定制功能，特別適用於酶動力學實驗的分析。例如，可以獲得初始速率和參數值及其單和雙基板速率數據的置信限。內置模型包括有或沒有底物抑制的 Michaelis-Menten、競爭性、非競爭性和混合抑制、三元復合物或有序雙雙系統和有或沒有底物抑制的乒乓球。您可以使用傳統的代數語法輕鬆添加其他模型。
數據導入格式包括用於 DOS 文件以及 ASCII 分隔的 EnzFitter、dBase、FoxPro、Excel、Quattro Pro、Lotus 123、Paradox 和 Symphony。文件和數據集大小僅受可用內存的限制，並且可以為每個文件創建多個數據集。有先進的數據編輯工具，包括：插入/編輯/刪除點、複製和移動數據塊以及編輯列標題。缺失的數據和重複得到滿足。可以顯示和導出數據的描述性統計信息。工作表是可定制的（例如字體、顏色、邊框、行高和列寬），並且在打印數據時可以為它們提供自定義頁眉或頁腳。您可以隨時插入新的列或行。提供了許多數據轉換，或者您可以創建自己的轉換方程。您可以為經常使用的數據格式創建模板，結合圖形模板，幾乎可以自動執行常規檢測。
可以使用 Marquardt 或 Simplex 算法對任何數據集執行多曲線擬合。可選地，可以對數據進行穩健的、統計的、按比例的或具有明確值的加權。遺傳算法生成出色的初始參數估計，但參數可以限制在一個值範圍內或在必要時固定。結果以表格和圖形形式呈現，可以保存到磁盤、打印或導出到其他程序。導出格式包括圖形、位圖、元文件、JPG 或 TIF，以及數字結果的 ASCII 分隔和 Excel。可以繪製原始數據和擬合數據的圖形，為了區分數據集，您可以選擇各種符號、半連續線並添加標籤。額外數據集、殘差和相同數據的轉換/衍生圖的輔助圖可以插入主圖。
EnzFitter 可以設置為以批處理模式運行（自動執行多項分析，無需用戶干預），它還支持 OLE 自動化。對於更一般的分析用途，您可以根據擬合的標準曲線計算未知數。您可以創建附加到任何文件、數據集或曲線擬合的文本註釋。還有一個自動日誌記錄對給定文件所做的所有更改。
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