Abstract :
Di Indonesia, tanaman herbal terkait lektin yang bermanfaat sebagai antikanker
belum banyak tereksplor, mulai dari kajian ilmiah secara bioinformatika mengenai
karakteristik lektin tanaman, hingga basis data lektin pada database online seperti
NCBI (National Center for Biotechnology Information). Data lektin terkait gen
dan asam amino penyusunannya yang cukup lengkap pada NCBI adalah lektin
dari Typhonium divaricatum yang berasal dari China, sehingga hal ini yang
mendasari penggunaan data lektin Typhonium divaricatum untuk dijadikan
sebagai dasar kajian jenis-jenis lektin secara bioinformatika pada riset ini.
Penelitian ini bertujuan untuk mengkarakterisasi lektin pada tanaman Typhonium
divaricatum dengan tanaman lain pada database, berdasarkan sekuen gen, sekuen
asam amino, dan struktur protein lektin. Data diambil dari database NCBI
(National Center for Biotechnology), lalu dilakukan pengolahan untuk di analisis.
Dalam pengolahannya, menggunakan beberapa tools seperti BLAST (Basic Local
Alignment Search Tool) , EBI (European Bioinformatics Institute) dengan Clustal
Omega, dan molbiol tools dengan
PHYRE2 (Protein Homology/analogy Recognition Engine). Dari 13 data protein
lektin yang diambil, didapatkan kekerabatan antara sekuen gen dan asam amino
yang signifikan. Didukung dengan hasil penjajaran gen yang paling tinggi
mencapai 87%, dan yang paling rendah 83 %, sedangkan hasil penjajaran asam
amino yang paling tinggi, mencapai 80%, dan yang paling rendah 70%, selain
hasil data penjajaran, didapatkan persamaan data template utama yang digunakan
sebagai dasar dalam pembentukan prediksi struktur 3D protein lektin, yaitu
strucutral characterization of the native-fetuin-binding protein2 scilla
campanulata agglutinin (scafet) : a novel two-domain lectin [c1dlpA]. Secara
keseluruhan, analisis data ini menunjukkan adanya persamaan karakteristik antara
sekuens gen Lektin tanaman Typhonium divaricatum dengan tanaman lain pada
database dan adanya persamaan karakteristik prediksi struktur 3 dimensi asam
amino lektin tanaman Typhonium divaricatum dengan tanaman lain pada
database, serta kekerabatan yang dekat antara lektin tanaman Typhonium
divaricatum dengan lektin tanaman lain pada database.
Kata Kunci : Lektin, herbal, tanaman, bioinformatik, kekerabatan. / In Indonesia, lectin related herbal plants that are useful as anticancer have not
been widely explored, starting from bioinformatics scientific studies on the
characteristics of plant lectin, to lectin databases on online databases such as
NCBI (National Center for Biotechnology Information). The complete data for
lectins related to genes and amino acids in NCBI are lectins from Typhonium
divaricatum originating from China, so this is the basis for the use of Typhonium
divaricatum lectin data to serve as the basis data for the study of lectin types
bioinformatics in this research. This study aimed to characterize the lectins in
Typhonium divaricatum with other plants in the database, based on gene
sequences, amino acid sequences, and lectin protein structures. Data was taken
from the NCBI (National Center for Biotechnology) database, then processed for
analysis. In processing, using several tools such as BLAST (Basic Local
Alignment Search Tool), EBI (European Bioinformatics Institute) with Clustal
Omega, and Molbiol tools with PHYRE2 (Protein Homology / Analogy
Recognition Engine). From the 13 lectin protein data taken, a significant
relationship between gene sequences and amino acids was obtained. Supported by
the highest gene alignment results reaching 87%, and the lowest being 83%, while
the highest amino acid alignment results reach 80%, and the lowest is 70%,
besides the alignment data results, the main template data equation was obtained,
and used as the basis for the formation of a 3D prediction of lectin structure, that
is strucutral characterization of the native-fetuin-binding protein2 scilla
campanulata agglutinin (scafet) : a novel two-domain lectin [c1dlpA]. Overall,
this data analysis shows that there are similarities between the gene sequences of
the Typhonium divaricatum plant lectin and other plants in the database and the
similarities in the characteristics of the 3D structure prediction of the amino acid
lectin of the Typhonium divaricatum plant with other plants in the database, as
well as the close relationship between Typhonium divaricatum plant lectins with
other plant lectins in the database.
Keywords : Lectin, herbal, plants, bioinformatics, kinship