Toolkit/molecular dynamics simulation

molecular dynamics simulation

Computational Method·Research·Since 2017

Also known as: MD, MD simulation, noninvasive molecular dynamics simulation technique

Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

Molecular dynamics simulation is a computational method for modeling atomistic conformational dynamics of proteins and analyzing residue fluctuations and vibrational behavior. In the cited studies, it was used as a noninvasive approach to validate dynamic behavior and to compare PAS-domain dynamics across functional groups.

Usefulness & Problems

Why this is useful

This method is useful for linking protein motion to biological function without perturbing the system experimentally. In the PAS-domain study, it enabled comparison of conserved-residue fluctuations and vibrational patterns across functional groups and supported inference of function-associated dynamic signatures.

Source:

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function

Source:

The result showed that the proteins with same function could be grouped by sequence similarity

Problem solved

It addresses the problem of characterizing protein structural dynamics and relating residue-level motion to functional divergence when static sequence or structure analysis alone is insufficient. The cited evidence specifically shows its use in distinguishing PAS functional groups by fluctuation and vibrational pattern differences.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete computational method used to design, rank, or analyze an engineered system.

Target processes

No target processes tagged yet.

Implementation Constraints

The evidence indicates implementation as a noninvasive computational simulation technique applied to protein systems, including PAS domains and LOV-TAP. The supplied material does not specify software, force fields, hardware requirements, trajectory lengths, or input structure preparation details.

The supplied evidence is limited to computational analyses in PAS-domain proteins and a computer simulation study of LOV-TAP, with no direct evidence here for experimental benchmarking or broad cross-system validation. No quantitative details on simulation protocols, force fields, timescales, or predictive accuracy are provided in the supplied material.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 2conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 3conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 4conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 5conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 6conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 7conserved residue dynamicssupports2017Source 1needs review

Across the three PAS functional groups, residues conserved by sequence and structure analyses generally had lower fluctuation than other residues.

in all three functional groups, conserved amino acid residues identified by sequence and structure conservation analysis generally have a lower fluctuation than other residues
Claim 8dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 9dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 10dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 11dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 12dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 13dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 14dynamics difference across functional groupssupports2017Source 1needs review

Different PAS functional groups displayed statistically significant differences in vibrational patterns.

proteins in different functional groups displayed statistically significant difference in their vibrational patterns
Claim 15functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 16functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 17functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 18functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 19functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 20functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 21functional groupingsupports2017Source 1needs review

Within the PAS domain superfamily, proteins with the same function could be grouped by sequence similarity.

The result showed that the proteins with same function could be grouped by sequence similarity
Claim 22function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 23function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 24function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 25function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 26function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 27function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 28function dynamics correlationsupports2017Source 1needs review

In each PAS biological function group, fluctuation of conserved residues was strongly correlated with the corresponding biological function.

the fluctuation of conserved residues in each biological function group was strongly correlated with the corresponding biological function
Claim 29sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 30sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 31sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 32sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 33sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 34sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 35sequence structure dynamics function connectionsupports2017Source 1needs review

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics
Claim 36compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 37compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 38compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 39compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 40compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 41compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 42compositionsupports2012Source 2needs review

LOV-TAP is an artificial protein construct in which AsLOV2-Jα is ligated to TrpR.

the artificial protein construct light-oxygen-voltage (LOV)-tryptophan-activated protein (TAP), in which the LOV-2-Jα photoswitch of phototropin1 from Avena sativa (AsLOV2-Jα) has been ligated to the tryptophan-repressor (TrpR) protein from Escherichia coli
Claim 43mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 44mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 45mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 46mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 47mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 48mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 49mechanismsupports2012Source 2needs review

After photoexcitation, Cys450-FMN adduct formation in the AsLOV2-Jα binding pocket induces cleavage of the peripheral Jα-helix from the LOV core.

Cys450-FMN-adduct formation in the AsLOV2-Jα-binding pocket after photoexcitation induces the cleavage of the peripheral Jα-helix from the LOV core
Claim 50mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 51mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 52mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 53mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 54mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 55mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 56mechanismsupports2012Source 2needs review

In the dark state, the AsLOV2-Jα photoswitch exerts a repulsive electrostatic force on the DNA surface, leading to distortion of the hairpin region and disruption of LOV-TAP from DNA.

in the dark state the AsLOV2-Jα photoswitch remains inactive and exerts a repulsive electrostatic force on the DNA surface. This leads to a distortion of the hairpin region, which finally relieves its tension by causing the disruption of LOV-TAP from the DNA.
Claim 57mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 58mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 59mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 60mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 61mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 62mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 63mechanismsupports2012Source 2needs review

Light activation changes the polarity of the LOV photoswitch and promotes electrostatic attraction of LOV-TAP onto the DNA surface.

causing a change of its polarity and electrostatic attraction of the photoswitch onto the DNA surface
Claim 64mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.
Claim 65mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.
Claim 66mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.
Claim 67mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.
Claim 68mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.
Claim 69mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.
Claim 70mechanismsupports2012Source 2needs review

Unfolding and flexibilization of the interdomain hairpin-like helix-loop-helix region enables condensation of LOV-TAP onto the DNA surface.

This goes along with the flexibilization through unfolding of a hairpin-like helix-loop-helix region interlinking the AsLOV2-Jα- and TrpR-domains, ultimately enabling the condensation of LOV-TAP onto the DNA surface.

Approval Evidence

2 sources1 linked approval claimfirst-pass slug molecular-dynamics-simulation
validated by molecular dynamics (MD) simulation

Source:

using the noninvasive molecular dynamics simulation technique

Source:

sequence structure dynamics function connectionsupports

The study suggests a direct connection in which protein sequences are related to functions through structural dynamics.

This research suggested a direct connection in which the protein sequences were related to various functions through structural dynamics

Source:

Comparisons

Source-backed strengths

The cited literature supports that MD can detect lower fluctuations in residues conserved by sequence and structure analyses and identify statistically significant differences in vibrational patterns among PAS functional groups. It also supported a strong correlation between conserved-residue fluctuation and biological function within each PAS function group.

Ranked Citations

  1. 1.
    StructuralSource 1Protein Science2017Claim 1Claim 2Claim 3

    Extracted from this source document.

  2. 2.
    StructuralSource 2Proteins Structure Function and Bioinformatics2012Claim 36Claim 37Claim 38

    Extracted from this source document.