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Journal : Makara Journal of Science

Computational Analysis of Chromophore Tripeptides FollowingFusion of Enhanced Green Fluorescent Protein and Cell-penetrating Peptides Widyaningtyas, Silvia Tri; Pratiwi, Ekawati Betty; Bela, Budiman
Makara Journal of Science Vol. 24, No. 4
Publisher : UI Scholars Hub

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Abstract

Cell-penetrating peptides (CPPs) are small peptides that can transfer other materials into a cellular compartment. In this research, we studied the effect of fusion of new CPPs to the N-terminal of enhanced Green Fluorescent Protein eGFP on the ability of the latter to fluoresce. Results showed that the recombinant protein CPPs-eGFP could be successfully expressed in Escherichia coli. In contrast to E. coli expressing wild-type eGFP, which could fluoresce under ultraviolet (UV) or visible light, E. coli expressing CPPs-eGFP lost their ability to fluoresce. PyMol, a molecular visualization system, revealed that fusion of the new CPPs to the N-terminal of eGFP alters interactions between chromophore-forming tripeptides and the adjacent amino acids of other tripeptides. Disrupting peptide interactions induced structural changes in eGFP that caused it to lose its fluorescence ability. We suggest performing computational analyses to predict the biological function of new fusion proteins prior to starting laboratory work.
TROUBLESHOOTING IN EXPRESSION AND PURIFICATION OF RECOMBINANT SEVERE ACUTE RESPIRATORY SYNDROME-ASSOCIATED CORONAVIRUS NUCLEOCAPSID PROTEIN IN Escherichia coli BL21 Yasmon, Andi; Ibrahim, Fera; Bela, Budiman
Makara Journal of Science Vol. 14, No. 2
Publisher : UI Scholars Hub

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Abstract

Co-Authors Ade P.R. Simaremare Agusta, Istiqomah Andi Yasmon Andrijono Andrijono Anggraini Alam Anis Anis Ardiana Kusumaningrum Armi Susandi Aroem Naroeni Aroem Naroeni Ascobat, Purwantyastuti ASRI SULFIANTI Beti Ernawati Dewi Cahyani, Hesti Pramesti Christina, Diana Cintera Rahmagiarti Diah Iskandriati Dian Amirulloh Dimas Seto Prasetyo Dondin Sajuthi Elisna Syahruddin Evy Yunihastuti FERA IBIRAHIM Fera Ibrahim Firdaus Sirait Ganjar Noviar Gede Eko Darmono Geraldine, Vanessa Hanifi, Muhammad Hartiyowidi Yuliawuri Hartono, Soni Herna Herna Herna, Herna Hertanto, Robby Ibnu Agus Ariyanto Iin Maemunah Ingrid S. Surono Irawan, Priscilla Felicia Apriliani Jeanne Adiwinata Pawitan Jeanne Elvia Christian Kamila, Etri Dian Ketut Tuti Parwati Lili Indrawati Mardiana Mardiana Maria Lina R. Maria Lina Rosilawati Melinda Remelia Muhayya, Syarifah Raisha Murdani Abdullah Mursinah Mursinah Mursinah Mursinah Ni Ken Ritchie Ni Nengah Dwi Fatmawati Nia Kurniati Nuzli Fahdia Mazfufah Pamungkas, Joko Pauline Phoebe Halim Pramita Gayatri Pratiwi, Ekawati Betty Radiana Dhewayani Antarianto SAHLAN, MUHAMAD Sari, Siska Yuliana Satyapertiwi, Dwiantari SEPTELIA INAWATI WANANDI Silvia Tri Widyaningtyas Silvia Tri Widyaningtyas Silvia Tri Widyaningtyas Silvia Tri Widyaningtyas Silvia Tri Widyaningtyas Silvia Triwidyaningtyas Sofy Meilany Subangkit Subangkit Subiantistha, Tanaya Sugiarta, Gede Yuda SUWIJIYO PRAMONO Triwidyaningtyas, Silvia Utami, Mardhah Sastri VIVI SETIAWATY Widianingtyas, Silvia Widyaningtyas, Silvia Tri Wiseso, Anggoro Yohda, Masafumi YULIANTY MUHAYAR Yuliar Budi Hartanto Yusmaniar Yusmaniar Yuyun SM Soedarmono Yuyun Soedarmono Zakiudin Munasir