peptide bandh kya hota hai Alternative Guide,peptide

Peptide bandh ek mahatvapurna rasayanik bandh hai jo jeev vigyan mein, vishesh roop se protein sanshleshan ke darmiyan mahatva rakhta hai. Ye bandh do amino amlon ke beech banta hai, jo proteins ke nirman khand hote hain. Samjhen ki yeh bandh kaise banta hai, iska mahatva kya hai, aur yeh jeev shariir mein kaise kaam karta hai.

Peptide Bandh Ka Nirman

Peptide bandh ka nirman ek dehydration (jal-vihinikaran) prakriya ke dwara hota hai. Jab ek amino aml ka carboxyl group (-COOH) doosre amino aml ke amino group (-NH2) ke saath abhikriya karta hai, to ek jal ka anu (H2O) nikal jata hai aur ek amide bandh (jise peptide bandh bhi kehte hain) ka nirman hota hai. Is prakriya mein, ek amino aml ka carboxyl carbon (C) aur doosre amino aml ka amino nitrogen (N) ek -CO-NH- linkage banate hain.

Yeh peptide bandh ek sah-sanyojak bandh ka ek roop hai aur yeh amino amlon ko ek lambi shrinkhala mein jodta hai, jise polypeptide kaha jata hai. Is tarah, do amino amlon ke beech banne wala ek sahyojak bandh peptide bandh kehlata hai.

Peptide Bandh Ka Mahatva

Peptide bandh protein ke structure aur function ke liye atyant mahatvapurna hain. Kai amino amlon ke judne se bani polypeptide shrinkhala hi protein ka mul roop hai. Yeh shrinkhala phir vishisht tri-ayami aakaron mein fold hoti hai, jo protein ke karya ko nirdharit karta hai.

* Protein Rachna: Peptide bandh proteins ko unka sthir aur vishisht aakar pradan karte hain. Yeh bandh protein ki rachna mein ek mahatvapurna bhoomika nibhate hain.

* Jeevan Prakriyaen: Sharir mein lagbhag sabhi mahatvapurna prakriyaen proteins dwara hi ki jati hain, jaise enzyme abhikriya, gatividhi, sanvaahan, aur pratiraksha. In sabhi ke liye peptide bandh ka hona avashyak hai.

* Amino Amlon ka Karyaanvayan: Amino amlon ko jodkar polypeptide banana aur phir unhe protein mein parivartit karna sharir ke liye ek jaruri prakriya hai.

Peptide Bandh Aur Protein Sanshleshan

Protein sanshleshan ki prakriya ke dauran, ribosoms namak koshikiy sanrachanayen mRNA (messenger RNA) mein coded jankari ka upyog karke amino amlon ko ek vishisht kram mein jodti hain. Har baar jab ek naya amino aml shrinkhala mein judta hai, to ek peptide bandh banta hai. Yeh prakriya tab tak jaari rehti hai jab tak ki poori polypeptide shrinkhala taiyar na ho jaye.

Peptide Bandh Ka Vikhandan (Cleavage)

Jab protein ko todne ki avashyakta hoti hai, jaise pachana prakriya mein, to peptide bandh ko hydrolysis namak prakriya dwara toda jata hai. Ismein jal ka anu peptide bandh mein shamil ho kar use alag kar deta hai.

Vartaman Sandarbh Aur Upayog

Peptide bandh ka adhyayan kewal jeev vigyan tak seemit nahi hai. Peptide aur unke bandhon ka upyog chikitsa aur vigyan ke kai kshetron mein kiya ja raha hai:

* Aushadhiyan: Kai aushadhiyan peptide-aadhaarit hoti hain, jinka upyog diabetes, cancer, aur anya bimariyon ke ilaaj mein hota hai. Yeh peptide sharir mein vishisht karyon ko karne ke liye banaye jate hain.

* Anusandhan: Vigyanik peptide bandh ke nirman aur vikhandan ka adhyayan karke naye protein aur unke karyaon ko samajhne ka prayas kar rahe hain. Yeh protein sanshleshan ko behtar banane mein madad karta hai.

Peptide bandh ek saral linkage hone ke bawajood, jeev shariir ke liye iska mahatva atulniya hai. Yeh proteins ki rachna aur karya ko sambhav banata hai, jo jeevan ki sabhi prakriyaon ka adhar hai.