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MolNFT v1 · #135275 · protein

Structural insights into the extracellular recognition of the human serotonin 2B receptor by an antibody

5TUD · 5-hydroxytryptamine receptor 2B,SOLUBLE cytochrome B562…: “Structural insights into the extracellular recognition of the human serotonin 2B receptor by an antibody”. X-ray diffraction, 1 ligand (ERM), 14 pockets (best druggability…

PDB
5TUD
Type
protein
Length
1,628 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
5-hydroxytryptamine receptor 2B,SOLUBLE cytochrome B562 chimera; Anti-5-HT2B Fab light…
UniProt
P41595, P0ABE7
Ligands
ERM
Pockets
14 · best druggability 0.82

Structure

x-ray diffraction · 5 distinct chains · 44% helix, 23% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A5-hydroxytryptamine receptor 2B,SOLUBLE cytochrome B562 chimeraprotein37380% helix, 1% strandP41595, P0ABE7
B, EAnti-5-HT2B Fab light chainprotein2115% helix, 46% strand—
CAnti-5-HT2B Fab heavy chainprotein2292% helix, 48% strand—
D5-hydroxytryptamine receptor 2B,SOLUBLE cytochrome B562 chimeraprotein37182% helix, 1% strandP41595, P0ABE7
FAnti-5-HT2B Fab heavy chainprotein2333% helix, 49% strand—

Ligands and binding sites

  • ERM · Ergotamine · ligand · 2 copies · chains A, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

14 pockets found on a 1 Å grid, 8 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17530.820.8566ERM
27700.810.8565ERM
3510.690.9714empty
44740.640.7734empty
55020.640.7651empty

Interfaces

7 interfaces between chains.

  • E–F · 2057 Ų buried · 14 hydrogen bonds · protein-protein
  • B–C · 1832 Ų buried · 12 hydrogen bonds · protein-protein
  • A–C · 793 Ų buried · 14 hydrogen bonds · protein-protein
  • D–F · 783 Ų buried · 10 hydrogen bonds · protein-protein
  • A–D · 699 Ų buried · 6 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 12 disulfide (disulfide).

Compared structures

  • 5TUD · Structural Insights into the Extracellular Recognition of the Human Serotonin 2B Receptor… · the same entry in another collection · chain F against F, TM-score 1.00
  • P41595 · AlphaFold monomer V2.0 prediction for 5-hydroxytryptamine receptor 2B (P41595) · a predicted model of the same protein · chain D against A, TM-score 0.79
  • P0ABE7 · AlphaFold monomer V2.0 prediction for soluble cytochrome B562 (P0ABE7) · a predicted model of the same protein · chain D against A, TM-score 0.30

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