Structural organization of proteins

Correction- intrachain disulfide bond is there in A- chain, between 6th and 11th aminoacid.
Primary structure
Number and Sequence of AAs, peptide bond
example- insulin
Secondary
Alpha helix, beta sheets, bend, turn ,loop
Bonds- H bonds
example- Carbonic anhydrase, silk fibroin
Tertiary
3D, functional, enzymes
Bonds- hydrophobic interactions, H bonds, electrostatic forces, Van der Waal forces
example- alcohol DH, LDH, MDH, G3P DH, Mb
Quaternary
Two or more subunits together
example- Hb

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You're the best teacher of biochemistry again thank you so much sirr

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[@faizanquraishi4126]

Sir, the intrachain disulfide bond you drew on the b chain of insulin is supposed to be on the A chain.

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Thank you sir. You made this topic easier

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[@sudipkantisarkar5947]

Sir, would you please make a tutorial on "Structure function relationship of protein"? Your teaching helped me a lot. Thank you Sir

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It means alot for me ♥️❤️☺️

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👍

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Love ❤️ from Pakistan

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Lots of love and Respect Sir .

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[@santoshgupta1561]

Do the disulphide bonds have any role in primary structure....

[@aniketpatel1813]

thank you sir very help full for me this video

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Sir what is the best book to use in biochemistry

[@sanjanarathore7012]

Thank you sir
Sir My question is if secondary structure involve only one polypeptide chain so why beta pleated sheath include in secondary structure while it contain h bond between two polypeptide chain???

[@santoshgupta1561]

Random cool would qualify for which level of protein structure....

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Sir plzz do case wise Discussion

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Its really 👌👌

[@tanmayjadhav8402]

Sir in some of the reference books it is written that the first and the last peptide bond don't make Hydrogen bonds

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Sir can we write this for long essay 10 mark question?

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Thank you ❤

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Sir Can u do a video on bioenergetics

[@yourmomisgay377]

Nice lecture..
But you didn't explained beta bends, types of it,how proline induce kinks,how glycine induce bends

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[@supriya6844]

Myoglobin is example of alpha helix or tertiary structure? You took it in both

[@proproot]

10:10 Where is angle?For angle to be formed there should be 3 points or 2 lines. Do these C alpha and N denote lines?

[@PoonamRani-hh3oe]

Helpful video

[@harshadr9972]

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[@AnuragKumar-xm5ru]

How do we calculate the total no of h bond in alpha helix

[@tanazanwar4207]

Intrachain disulfide bond between 6th and 11th cysteine residue is in A chain.

[@Rajesh_Jambhulkar]

Yes, correction is there

[@AISHWARYATidke]

Sir which book you prefer?

[@karthikeyan.02]

Sir pls add protein &lipid metabolism

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Sir please make more videos of topics of MBBS first year biochemistry

[@072harleenkaur7]

Sir aapne myoglobin alpha helix mein bhi kaha aa and tertiary structure mein bhi

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Which oroteib food we are eating and whether it is primary or any other. Ang how harmful the protein having increaing level from primary on wards

[@NoorKhan-pv3ex]

best explaination

[@abhinavkumar6338]

Very helpful

[@hemachaudhary7483]

Thank you sir😊

[@shahabbarkat6005]

Dear Sir,
Are primary and secondary structure proteins are functional protein?
If they are not then what's the reason, kindly elaborate in detail.

[@poojitha4158]

Thank u sooo much sir🙏❤️

[@muhammadhaseeb6016]

Sir How Can Insulin Have a Primary level of organization. It have two polypeptides having 21 and 30 Amino Acids. It Must Have a Quaternary Structure. Primary Structure is all about Single Polypeptide .Sir Plz Answer?

[@beyou2001]

Thanks a lot sir

[@Asquare369]

Awesome