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MolNFT v1 · #103008 · protein

MT1-MMP:FAB complex (form I)

4P3C · Heavy chain Fab fragment of antibody lem-2/15: “MT1-MMP:FAB complex (form I)”. X-ray diffraction, 2 ligands (MG, CL), 4 pockets (best druggability 0.62). MolNFT v1 #103008 on GenesisL1: 3D structure, binding sites and pockets in…

PDB
4P3C
Type
protein
Length
449 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Heavy chain Fab fragment of antibody lem-2/15; Light chain Fab fragment of antibody…
EC
3.4.24.80
UniProt
P50281
Ligands
MG, CL
Pockets
4 · best druggability 0.62

Structure

x-ray diffraction · 3 distinct chains · 7% helix, 52% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
HHeavy chain Fab fragment of antibody lem-2/15protein21810% helix, 53% strand—
LLight chain Fab fragment of antibody lem-2/15protein2186% helix, 54% strand—
MMatrix metalloproteinase-14 (EC 3.4.24.80)protein130% helix, 0% strandP50281

Ligands and binding sites

  • MG · Magnesium ion · metal · chains L
  • CL · Chloride ion · ion · chains H
  • EDO · 1,2-ethanediol · additive · 6 copies · chains H, L, M
  • ACT · Acetate ion · additive · 3 copies · chains H, L
  • EPE · 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid · additive · chains H

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15210.620.7561EDO
2590.360.7918EDO
3580.310.7613empty
4620.290.7421ACT

Interfaces

3 interfaces between chains.

  • H–L · 1772 Ų buried · 18 hydrogen bonds · protein-protein
  • H–M · 570 Ų buried · 9 hydrogen bonds · protein-protein
  • L–M · 304 Ų buried · 9 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 disulfide (disulfide).

Compared structures

  • 4P3C · MT1-MMP:Fab complex (Form I) · the same entry in another collection · chain H against H, TM-score 1.00
  • P50281 · AlphaFold monomer V2.0 prediction for matrix metalloproteinase-14 (P50281) · a predicted model of the same protein · chain M against A, TM-score 0.28

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