Unverified Commit 33b14891 authored by Axel Kohlmeyer's avatar Axel Kohlmeyer Committed by GitHub
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Merge pull request #1730 from ohenrich/user-cgdna 

USER-CGDNA quasi-unique base pairing
parents 9ecbaf04 84165da4

doc/src/pair_oxdna.txt

+6 −3
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ style1 = {hybrid/overlay oxdna/excv oxdna/stk oxdna/hbond oxdna/xstk oxdna/coaxs 
style2 = {oxdna/excv} or {oxdna/stk} or {oxdna/hbond} or {oxdna/xstk} or {oxdna/coaxstk}

args = list of arguments for these particular styles :ul



  {oxdna/stk} args = seq T xi kappa 6.0 0.4 0.9 0.32 0.6 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

  {oxdna/stk} args = seq T xi kappa 6.0 0.4 0.9 0.32 0.75 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

    seq = seqav (for average sequence stacking strength) or seqdep (for sequence-dependent stacking strength)

    T = temperature (oxDNA units, 0.1 = 300 K)

    xi = temperature-independent coefficient in stacking strength
@@ -36,7 +36,7 @@ args = list of arguments for these particular styles :ul 


pair_style hybrid/overlay oxdna/excv oxdna/stk oxdna/hbond oxdna/xstk oxdna/coaxstk

pair_coeff * * oxdna/excv    2.0 0.7 0.675 2.0 0.515 0.5 2.0 0.33 0.32

pair_coeff * * oxdna/stk     seqdep 0.1 1.3448 2.6568 6.0 0.4 0.9 0.32 0.6 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

pair_coeff * * oxdna/stk     seqdep 0.1 1.3448 2.6568 6.0 0.4 0.9 0.32 0.75 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

pair_coeff * * oxdna/hbond   seqdep 0.0 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

pair_coeff 1 4 oxdna/hbond   seqdep 1.077 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

pair_coeff 2 3 oxdna/hbond   seqdep 1.077 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45
@@ -51,7 +51,10 @@ excluded volume interaction {oxdna/excv}, the stacking {oxdna/stk}, cross-stacki 
and coaxial stacking interaction {oxdna/coaxstk} as well

as the hydrogen-bonding interaction {oxdna/hbond} between complementary pairs of nucleotides on

opposite strands. Average sequence or sequence-dependent stacking and base-pairing strengths

are supported "(Sulc)"_#Sulc1.

are supported "(Sulc)"_#Sulc1. Quasi-unique base-pairing between nucleotides can be achieved by using 

more complementary pairs of atom types like 5-8 and 6-7, 9-12 and 10-11, 13-16 and 14-15, etc. 

This prevents the hybridization of in principle complementary bases within Ntypes/4 bases 

up and down along the backbone.



The exact functional form of the pair styles is rather complex.

The individual potentials consist of products of modulation factors,

doc/src/pair_oxdna2.txt

+6 −3
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ style1 = {hybrid/overlay oxdna2/excv oxdna2/stk oxdna2/hbond oxdna2/xstk oxdna2/ 
style2 = {oxdna2/excv} or {oxdna2/stk} or {oxdna2/hbond} or {oxdna2/xstk} or {oxdna2/coaxstk} or {oxdna2/dh}

args = list of arguments for these particular styles :ul



  {oxdna2/stk} args = seq T xi kappa 6.0 0.4 0.9 0.32 0.6 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

  {oxdna2/stk} args = seq T xi kappa 6.0 0.4 0.9 0.32 0.75 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

    seq = seqav (for average sequence stacking strength) or seqdep (for sequence-dependent stacking strength)

    T = temperature (oxDNA units, 0.1 = 300 K)

    xi = temperature-independent coefficient in stacking strength
@@ -41,7 +41,7 @@ args = list of arguments for these particular styles :ul 


pair_style hybrid/overlay oxdna2/excv oxdna2/stk oxdna2/hbond oxdna2/xstk oxdna2/coaxstk oxdna2/dh

pair_coeff * * oxdna2/excv    2.0 0.7 0.675 2.0 0.515 0.5 2.0 0.33 0.32

pair_coeff * * oxdna2/stk     seqdep 0.1 1.3523 2.6717 6.0 0.4 0.9 0.32 0.6 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

pair_coeff * * oxdna2/stk     seqdep 0.1 1.3523 2.6717 6.0 0.4 0.9 0.32 0.75 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

pair_coeff * * oxdna2/hbond   seqdep 0.0 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

pair_coeff 1 4 oxdna2/hbond   seqdep 1.0678 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

pair_coeff 2 3 oxdna2/hbond   seqdep 1.0678 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45
@@ -57,7 +57,10 @@ excluded volume interaction {oxdna2/excv}, the stacking {oxdna2/stk}, cross-stac 
and coaxial stacking interaction {oxdna2/coaxstk}, electrostatic Debye-Hueckel interaction {oxdna2/dh}

as well as the hydrogen-bonding interaction {oxdna2/hbond} between complementary pairs of nucleotides on

opposite strands. Average sequence or sequence-dependent stacking and base-pairing strengths

are supported "(Sulc)"_#Sulc2.

are supported "(Sulc)"_#Sulc2. Quasi-unique base-pairing between nucleotides can be achieved by using 

more complementary pairs of atom types like 5-8 and 6-7, 9-12 and 10-11, 13-16 and 14-15, etc. 

This prevents the hybridization of in principle complementary bases within Ntypes/4 bases 

up and down along the backbone.



The exact functional form of the pair styles is rather complex.

The individual potentials consist of products of modulation factors,

examples/USER/cgdna/examples/oxDNA/duplex1/in.duplex1

+1 −1
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ bond_coeff * 2.0 0.25 0.7525 
# oxDNA pair interactions

pair_style hybrid/overlay oxdna/excv oxdna/stk oxdna/hbond oxdna/xstk oxdna/coaxstk

pair_coeff * * oxdna/excv    2.0 0.7 0.675 2.0 0.515 0.5 2.0 0.33 0.32

pair_coeff * * oxdna/stk     seqav ${T} 1.3448 2.6568 6.0 0.4 0.9 0.32 0.6 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

pair_coeff * * oxdna/stk     seqav ${T} 1.3448 2.6568 6.0 0.4 0.9 0.32 0.75 1.3 0 0.8 0.9 0 0.95 0.9 0 0.95 2.0 0.65 2.0 0.65

pair_coeff * * oxdna/hbond   seqav 0.0   8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

pair_coeff 1 4 oxdna/hbond   seqav 1.077 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

pair_coeff 2 3 oxdna/hbond   seqav 1.077 8.0 0.4 0.75 0.34 0.7 1.5 0 0.7 1.5 0 0.7 1.5 0 0.7 0.46 3.141592653589793 0.7 4.0 1.5707963267948966 0.45 4.0 1.5707963267948966 0.45

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