Trajectory SP1159

Force field: martini_v2.2P
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: 45506
Time step (fs) : 25
Software: GROMACS 2021.5
Supercomputer: Finisterrae III CESGA
Peptides: P369 NC02545
Lipids: POPC
Heteromolecules:
Ions: CL
Water model: PW

  Download all Compresed Files.


Sequence :
GRILSFIKAGLAEHL
Total charge (e): +1
Number of residues: 15
By amino acid:
  Basic: 5
  Acidic: 1
  Hydrophobic: 10
  Polar: 1
Electrostatic Dipolar Moment (e nm): 4.54
Longitudinal (e nm): 4.43
Transversal (e nm): 1
Hydrophobic Dipolar Moment (nm): 0.98
Longitudinal (nm): 0.13
Transversal (nm): 0.97
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: POPC (Healthy mammal)

POPC
2-oleoyl-sn-glycero-3-phosphocholine
Total charge (e): 0

  See POPC 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): 0.648809000 ± 0.000920618
Upper leaflet (nm2): 0.648809000 ± 0.000920618
Lower leaflet (nm2): 0.648809000 ± 0.000920618
Average Z coordinate
Peptide (nm): 4.7506800 ± 0.0386562
First Residue (nm): 4.7162400 ± 0.0388385
Last Residue (nm): 4.7417600 ± 0.0469526
Membrane (nm): 6.57820000 ± 0.00931793
Upper leaflet Head Group (nm): 8.5469000 ± 0.0109484
Lower leaflet Head Group (nm): 4.6080200 ± 0.0075148
Bilayer Thickness (nm): 3.9388800 ± 0.0132793
Peptide insertion (nm): -0.1426660 ± 0.0393798
Contacts
Peptide - Water: 0.0 ± 0.0
Peptide - Head groups: 11.137500 ± 0.255068
Peptide - Tail groups: 10.000000 ± 0.241661
Tilt (°): 86.28890 ± 1.14962
PepDF:
5(ns):  CVS
Displacement (nm): 0.6745560 ± 0.0286095
Precession(°): 1.47836 ± 1.73182
50(ns)  CVS
Displacement (nm): 2.248350 ± 0.124302
Precession(°): 17.4611 ± 4.5989
100(ns)  CVS
Displacement(nm): 3.324070 ± 0.177934
Precession(°): 37.48340 ± 5.85792
200(ns)  CVS
Displacement(nm): 4.741580 ± 0.208104
Precession(°): 77.78970 ± 9.38089

  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
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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.
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