Trajectory SP1463

Force field: martini_v3
Simulation length (ns): 5000
Electric field (kJ mol-1 nm-1 e-1): 0
Temperature (K): 300 (v-rescale)
Pressure (bar): 1 (Parrinello-rahman semiisotropic)
Number of particles: 17399
Time step (fs) : 25
Software: GROMACS 2021.5
Supercomputer: Finisterrae III CESGA
Peptides: P520 NC03982
Lipids: POPE, POPG
Heteromolecules:
Ions: NA
Water model: W

  Download all Compresed Files.


Sequence :
NTRGSWSNKRLSPR
Total charge (e): +4
Number of residues: 14
By amino acid:
  Basic: 4
  Acidic: 0
  Hydrophobic: 4
  Polar: 6
Electrostatic Dipolar Moment (e nm): 2.66
Longitudinal (e nm): 2.25
Transversal (e nm): 1.42
Hydrophobic Dipolar Moment (nm): 0.47
Longitudinal (nm): 0.42
Transversal (nm): 0.22
Secondary structure: Helix
Activity:

Download Files
  ITP file.
  JSON file.
  PDB file.

Click on any component to highlight it from the plot.
Upper leaflet
Lower leaflet

Lipids


Membrane model for: POPG:POPE (1:3) (Gram-negative bacteria)

POPE
1-Palmitoyl-2-oleoyl-sn-glycero-3-phosphoethanolamine
Total charge (e): 0

  See POPE lipid
  Download ITP File.
  Download PDB File.
POPG
1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol
Total charge (e): -1

  See POPG lipid
  Download ITP File.
  Download PDB File.
Last snapshot
Total contacts per residue
 
Contacts per residue
(normalized by number of beads in the residue)
Number of total contacts per residue type:
Number of contacts between each residue of the peptide backbone and the different lipid types, averaged over the last microsecond and using a cut-off of 0.6 nm.
...
Contacts per residue
(normalized by total number of beads of the amino acid):
Number of contacts between each residue of the peptide backbone and the different lipid types, averaged over the last microsecond and using a cut-off of 0.6 nm.
...

Molecular Dynamics based descriptors
Average and standard deviation, calculated using the autocorrelation function (for time series) or the width of the distribution, for the last microsecond of the trajectory


Area per lipid
Membrane (nm2): 0.61425000 ± 0.00106555
Upper leaflet (nm2): 0.61425000 ± 0.00106555
Lower leaflet (nm2): 0.61425000 ± 0.00106555
Average Z coordinate
Peptide (nm): 5.33553 ± 1.62189
First Residue (nm): 5.35195 ± 1.59953
Last Residue (nm): 5.25097 ± 1.76000
Membrane (nm): 6.4022800 ± 0.0106186
Upper leaflet Head Group (nm): 8.4157700 ± 0.0127993
Lower leaflet Head Group (nm): 4.3891600 ± 0.0086515
Bilayer Thickness (nm): 4.026610 ± 0.015449
Peptide insertion (nm): -0.946371 ± 1.621910
Contacts
Peptide - Water: 45.03000 ± 4.89663
Peptide - Head groups: 7.66000 ± 1.59317
Peptide - Tail groups: 3.89000 ± 1.10129
Tilt (°): 80.8728 ± 6.0520
PepDF:
5(ns):  CVS
Displacement (nm): 0.9601460 ± 0.0503364
Precession(°): -2.60113 ± 8.18592
50(ns)  CVS
Displacement (nm): 3.139340 ± 0.165871
Precession(°): -25.2171 ± 21.5986
100(ns)  CVS
Displacement(nm): 4.312900 ± 0.263043
Precession(°): -43.8946 ± 25.4391
200(ns)  CVS
Displacement(nm): 6.198810 ± 0.353082
Precession(°): -78.7000 ± 27.8759

  Download JSON File.

Peptide Analyses


Peptide Displacement Fingerprint (PepDF)
Lateral displacement vs Rotational Displacement along the trajectory, for different time windows .
Tilt angle:
Peptide tilt angle evolution, defined as the angle between the peptide helical axis and the bilayer normal .
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Hydrophobic dipolar moment
Hydrophobic dipolar moment.
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Electrostatic dipolar moment
Electrostatic dipolar moment.
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Peptide spin:
Evolution of the angle formed by the transversal component of the hydrophobic dipolar moment and a vector transversal to the peptide pointing outwards the membrane.
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Lipid Analyses:


Area per lipid
In this system both leaflets have the same number of lipids, thus the values for their APL are overlaping in the plot
...

Density maps:
2D-density maps of lipids around the peptide along XY and YZ axis, calculated for each lipid type along the last microsecond.


Lipid-Peptide Analyses:


z-Position
Z-coordinate, averaged for differetn parts of the the system: peptide, membrane, first and last backbone (BB) residues and upper of lower leaflet lipids’ headgroups (HGs).
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Minimum distance
Minimum distance (nm) between the peptide backbone and the lipids (headgroups and tailgroups).
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Number of contacts
Number of contacts between the peptide backbone and the water or the lipids separated by lipid headgroups (HG) or lipid tails, using a cut-off of 0.6 nm.
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Lateral density
Lateral density for the different components of the system: headgroups, tail groups, peptide and water.
...