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Crystal structure of 1K1 mutant of hepatocyte growth FACTOR/SCATTER factor fragment NK1 in complex with heparin

Analyse Crystal structure of 1K1 mutant of hepatocyte growth FACTOR/SCATTER factor… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3MKP
Type
protein
Length
688 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Hepatocyte growth factor
UniProt
P14210
Ligands
SGN, IDS, SO4
Pockets
11 · best druggability 0.75

Structure

x-ray diffraction · 2 distinct chains · 10% helix, 30% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, CHepatocyte growth factorprotein17310% helix, 28% strandP14210
DHepatocyte growth factorprotein1699% helix, 32% strandP14210

Ligands and binding sites

  • SGN · 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose · sugar · 4 copies · chains C, A
  • IDS · 2-O-sulfo-alpha-L-idopyranuronic acid · sugar · 3 copies · chains C
  • SO4 · Sulfate ion · ion · 4 copies · chains A, B, C, D
  • EPE · 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid · additive · 4 copies · chains A, B, C, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15990.750.8266empty
25350.700.7953empty
31840.540.7937empty
41550.530.8032empty
51050.520.8320empty

Interfaces

3 interfaces between chains.

  • A–B · 1241 Ų buried · 17 hydrogen bonds · protein-protein
  • C–D · 1116 Ų buried · 21 hydrogen bonds · protein-protein
  • B–C · 235 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 20 disulfide (disulfide).

Compared structures

  • 3MKP · Crystal structure of 1K1 mutant of Hepatocyte Growth Factor/Scatter Factor fragment NK1… · the same entry in another collection · chain C against C, TM-score 1.00
  • P14210 · AlphaFold monomer V2.0 prediction for hepatocyte growth factor (P14210) · a predicted model of the same protein · chain A against A, TM-score 0.60

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