Free PyMOL-Style 3D Docking Visualizer & Drug Interaction Analyze

🎯 PyMOL-Style Docking Interaction Analyzer

Simulate, Visualize, and Study Drug-Protein Bonds

📖 Kaise Istemal Karein (Instructions):

1. Type any Complex PDB ID (e.g., 6LU7) and click Load.
2. Wait for the 3D structure to appear on the black canvas. (Mobile users: Tap to activate).
3. Click 🔍 Focus Binding Pocket to highlight interacting amino acids within 5Å.
4. Click ☁️ Show Receptor Surface to visualize the binding cavity.
5. Drag to rotate, pinch/scroll to zoom. Green atoms 🔴 are Ligand/Drug.

🔬 Native PyMOL-Style Actions:

Tap/Drag to Rotate

Loading Data...

⚡ Practice with Famous Drug Complexes:

Designed for Biotech Notes Hub | Powered by 3Dmol.js & RCSB API

Find PDB Code

🧬 How do Drugs (Ligands) Interact with Proteins?

Ek successful drug (ligand) apne target protein ki specific cavity (Binding Pocket) mein ekdum "Key and Lock" 🔑 ki tarah fit hota hai. Is fit ko strong banane ke liye in forces ka role hota hai:

• 🟢 Hydrogen Bonds: Sabse important directional bonds. Jab drug ka Oxygen/Nitrogen protein ke Hydrogen ke sath interact karta hai.
• 🟡 Hydrophobic Interactions: Drug ke non-polar (water-hating) parts protein ki pocket ke andar ek sath aakar chipak jate hain.
• 🔵 Van der Waals Forces: Weak forces jo pocket aur drug ke perfect shape match hone par binding ko strong banate hain.

💊 Criteria for a Good Drug: Lipinski's "Rule of 5"

Ek oral drug body mein absorb hogi ya nahi, iske liye Christopher Lipinski ne 1997 mein kuch rules banaye. Ise "Rule of 5" kehte hain kyunki limits 5 ke multiples mein hain!

1. ⚖️ Molecular Weight < 500 Daltons: Size chota hona chahiye taaki membrane cross kar sake.
2. 💧 Lipophilicity (LogP) < 5: Drug bohot zyada oily nahi honi chahiye, warna blood mein dissolve nahi hogi.
3. 🤝 Hydrogen Bond Donors ≤ 5: H-bond donate karne wale groups (-OH, -NH) max 5 hone chahiye.
4. 🧲 Hydrogen Bond Acceptors ≤ 10: H-bond accept karne wale atoms (O, N) max 10 hone chahiye.

📝 Test Your Knowledge

Important MCQs for Upcoming Life Science Exams

Q1. According to Lipinski's Rule of 5, what is the maximum number of Hydrogen bond donors a good orally active drug should have?

Explanation: Correct! According to the Rule of 5, the maximum limit for H-bond donors is 5. For H-bond acceptors, the limit is 10.

Q2. Which of these forces is highly directional and crucial for precisely "locking" a ligand into a binding pocket?

Explanation: Spot on! Hydrogen bonds act like specific "anchor points" that hold the drug exactly in the correct orientation.

Q3. A new drug molecule has a Molecular Weight of 650 Daltons and a LogP value of 6.2. Will it easily pass Lipinski's Rule?

Explanation: Correct! Molecular Weight should be less than 500 and LogP should be less than 5. This drug fails both.

🏠 Back to Home