Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life

Is it a miracle that life exists on the Earth, or is it a common phenomenon in the universe? If extraterrestrial organisms exist, what are they like? To answer these questions, we must understand what kinds of molecules could evolve into life, or in other words, what properties are generally require...

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Main Author: Shunsuke Tagami
Format: Article
Language:English
Published: The Biophysical Society of Japan 2023-06-01
Series:Biophysics and Physicobiology
Subjects:
Online Access:https://doi.org/10.2142/biophysico.bppb-v20.0026
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author Shunsuke Tagami
author_facet Shunsuke Tagami
author_sort Shunsuke Tagami
collection DOAJ
description Is it a miracle that life exists on the Earth, or is it a common phenomenon in the universe? If extraterrestrial organisms exist, what are they like? To answer these questions, we must understand what kinds of molecules could evolve into life, or in other words, what properties are generally required to perform biological functions and store genetic information. This review summarizes recent findings on simple ancestral proteins, outlines the basic knowledge in textbooks, and discusses the generally required properties for biological molecules from structural biology viewpoints (e.g., restriction of shapes, and types of intra- and intermolecular interactions), leading to the conclusion that proteins and nucleic acids are at least one of the simplest (and perhaps very common) forms of catalytic and genetic biopolymers in the universe. This review article is an extended version of the Japanese article, On the Origin of Life: Coevolution between RNA and Peptide, published in SEIBUTSU BUTSURI Vol. 61, p. 232–235 (2021).
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spelling doaj.art-becb979c60ab478594069cc4921dd23e2023-06-23T05:18:01ZengThe Biophysical Society of JapanBiophysics and Physicobiology2189-47792023-06-012010.2142/biophysico.bppb-v20.0026Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial lifeShunsuke Tagami0RIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa 230-0045, JapanIs it a miracle that life exists on the Earth, or is it a common phenomenon in the universe? If extraterrestrial organisms exist, what are they like? To answer these questions, we must understand what kinds of molecules could evolve into life, or in other words, what properties are generally required to perform biological functions and store genetic information. This review summarizes recent findings on simple ancestral proteins, outlines the basic knowledge in textbooks, and discusses the generally required properties for biological molecules from structural biology viewpoints (e.g., restriction of shapes, and types of intra- and intermolecular interactions), leading to the conclusion that proteins and nucleic acids are at least one of the simplest (and perhaps very common) forms of catalytic and genetic biopolymers in the universe. This review article is an extended version of the Japanese article, On the Origin of Life: Coevolution between RNA and Peptide, published in SEIBUTSU BUTSURI Vol. 61, p. 232–235 (2021).https://doi.org/10.2142/biophysico.bppb-v20.0026origin of lifeastrobiology
spellingShingle Shunsuke Tagami
Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life
Biophysics and Physicobiology
origin of life
astrobiology
title Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life
title_full Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life
title_fullStr Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life
title_full_unstemmed Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life
title_short Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life
title_sort why we are made of proteins and nucleic acids structural biology views on extraterrestrial life
topic origin of life
astrobiology
url https://doi.org/10.2142/biophysico.bppb-v20.0026
work_keys_str_mv AT shunsuketagami whywearemadeofproteinsandnucleicacidsstructuralbiologyviewsonextraterrestriallife