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Human insulin in complex with serotonin and arginine

Analyse Human insulin in complex with serotonin and arginine in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5MT9
Type
protein
Length
754 residues
Chains
32
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Insulin
UniProt
P01308
Ligands
SRO, ARG, ZN, CL
Pockets
12 · best druggability 0.86

Structure

x-ray diffraction · 7 distinct chains · 63% helix, 8% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, C, KInsulinprotein2065% helix, 5% strandP01308
B, F, L, NInsulinprotein2544% helix, 12% strandP01308
D, J, P, XInsulinprotein2875% helix, 11% strandP01308
E, G, I, M, O, S, W, a, c, eInsulinprotein2167% helix, 5% strandP01308
H, T, b, fInsulinprotein2972% helix, 10% strandP01308
Q, U, YInsulinprotein2070% helix, 0% strandP01308
R, V, Z, dInsulinprotein2446% helix, 13% strandP01308

Ligands and binding sites

  • SRO · Serotonin · ligand · 16 copies · chains C, D, E, O, P, G, H, J, L, I, N, K, M, F, Q, R, a, b, S, T, V, X, U, W, Z, Y, c, d, e, f
  • ARG · Arginine · ligand · 4 copies · chains B, F, N, P, H, L, J
  • ZN · Zinc ion · metal · 8 copies · chains B, D, F, L, N, H, J, P, R, V, Z, T, X, b, d, f
  • CL · Chloride ion · ion · 8 copies · chains B, D, F, L, N, H, J, P, T, X, b, R, V, Z, d, f

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

Pockets

12 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19820.860.87118SRO, ARG
28140.830.85104SRO
31640.660.8628SRO
42180.510.7632SRO
5590.500.8617CL

Interfaces

91 interfaces between chains.

  • E–F · 640 Ų buried · 4 hydrogen bonds · protein-protein
  • C–D · 628 Ų buried · 6 hydrogen bonds · protein-protein
  • K–L · 628 Ų buried · 6 hydrogen bonds · protein-protein
  • G–H · 627 Ų buried · 6 hydrogen bonds · protein-protein
  • O–P · 623 Ų buried · 7 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 48 disulfide (disulfide).

Compared structures

  • 5MT9 · Human insulin in complex with serotonin and arginine · the same entry in another collection · chain R against R, TM-score 1.00

Analyse

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