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Active Sites Determination of Enzyme 1-aminocyclopropane-1-carboxylic acid synthase 2 (ACS2) of Capsicum chinense using Modeling and In Silico Docking Pahlevi, Muhammad Rizza; Widhianata, Hani; Puspaningsih, Eunike Sri; Lestari, Juniarti Wulan; Sudibya, Eka; Suwasono, Prayitno Ribut; Habiburrahman , Novan
⁠International Journal of Sustainable Social Culture, Science Technology, Management, and Law Humanities Vol. 1 No. 2 (2024)
Publisher : Universitas Kristen Cipta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71131/d1yzr175

Abstract

The growth of Chili pepper (Capsicum chinense Jacquin.) is affected by biotic and abiotic stresses. Abiotic stress such as waterlogging increases the expression of ACS (1-aminocyclopropane-1-carboxylic acid synthase) enzyme. This enzyme plays a great role in the process of ethylene biosynthesis and encoded by multiple genes. Waterlogging causes hypoxia condition. One of ACS enzymes that responds to hypoxia condition is ACS2. The different respond to hypoxia stress among plant was assumed to be caused by a different structure of the ACS2 enzyme. This study aimed to identify and confirm the active site of Capsicum chinense Jacquin ACS2  using modeling and in silico docking. The result of the three-dimensional (3D) structure modeling showed 91% similarity of Capsicum chinense Jacquin ACS2 with the structure of the tomato (Solanum lycopersicum L.). The Capsicum chinense ACS2 confirmed five active sites that bind to the substrates asparagin396B, valine397B, thyrosine152B, threonine128B, and thyrosine92A. 
Analysis of Learning Resources Biology Book by Neil A. Campbell for class X SMA / Equivalent Liza Choirun Nisa; Lestari, Juniarti Wulan; Suwasono, Prayitno Ribut; Slamet, Slamet; Besi, Yovita
International Journal of Sustainable English Language, Education, and Science Vol. 1 No. 2 (2024)
Publisher : Universitas Kristen Cipta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71131/fjf8bp02

Abstract

This study aims to determine the results of content analysis in the Biology book by Neil A. Campbell for class X SMA / equivalent using Science Literacy. This research method is descriptive qualitative with the research subject is the Biology book by Neil A. Campbell for class X SMA / equivalent. The research instrument is a book suitability analysis. Data collection is based on the results of the analysis conducted by researchers on Biology by Neil A. Campbell for class X SMA / equivalent based on science literacy content. Based on the analysis, the suitability of the Biology book by Neil A. Campbell for grade X SMA / equivalent seen from science literacy is categorized in the Science book as a body of knowledge (a body of knowledge).
Morphological Characterization of Tea Hybrid Progeny Widhianata, Hani; Noviansyah, Novan; Sudibya, Eka; Suwasono, Prayitno Ribut
⁠International Journal of Sustainable Social Culture, Science Technology, Management, and Law Humanities Vol. 2 No. 1 (2025)
Publisher : Universitas Kristen Cipta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71131/dpp2hp13

Abstract

Hybridization is the main method for obtaining genetic diversity and breeding new varieties of tea. The purpose of this research is to determine the morphological potential of each progeny from crossing between male and female parents which can then be used as a source of information in developing high quality superior tea clones through tea breeding activities. Male and female parents with the desired traits were crossed to form genetic diversity. 34 progenies resulted from crosses formed from crossing 4 male parents and 3 female parents. All parents and progeny were characterized morphologically and yield components. Data on morphological characters and yield components were analyzed descriptively. Correlation analysis and Principles Component Analysis Biplot (PCA Biplot) were also performed using R software. Male tea parents and female tea parents are in different groups based on morphological characteristics. Progeny-17, Progeny-18, Progeny-4, Progeny-5, and Progeny-27 had a higher total number of shoot and potential yield per bush compared to the other progenies.