Component Manual for the Neutron Ray-Tracing Package McStas, version 3.8.6

14.79  The SANSNanodiscsWithTags McStas Component

A sample of monodisperse phospholipid bilayer nanodiscs in solution (water) - with histidine tag still on the belt proteins.

Identification

Description

A component simulating the scattering from a box-shaped, thin solution (water) of monodisperse phospholipid bilayer nanodiscs - with histidine tags still on the belt proteins.

Input parameters

Parameters in boldface are required; the others are optional.

Name

Unit

Description

Default

AxisRatio

Axis ratio of the bilayer patch.

1.4

NumberOfLipids

Number of lipids per nanodisc.

130.0

AreaPerLipidHeadgroup

Å\(^{2}\)

Area per lipid headgroup - default is POPC.

65.0

HeightOfMSP

Å

Height of the belt protein - default is MSP1D1.

24.0

RadiusOfGyrationForHisTag

Å

Radius of gyration for the his-tag.

10.0

VolumeOfOneMSP

Å\(^{3}\)

Volume of one belt protein - default is MSP1D1.

26296.5

VolumeOfHeadgroup

Å\(^{3}\)

Volume of one lipid headgroup - default is POPC.

319.0

VolumeOfCH2Tail

Å\(^{3}\)

Volume of the CH2-chains of one lipid - default is POPC.

818.8

VolumeOfCH3Tail

Å\(^{3}\)

Volume of the CH3-tails of one lipid - default is POPC.

108.6

VolumeOfOneHisTag

Å\(^{3}\)

Volume of one his-tag.

2987.3

ScatteringLengthOfOneMSP

cm

Scattering length of one belt protein - default is MSP1D1.

8.8E-10

ScatteringLengthOfHeadgroup

cm

Scattering length of one lipid headgroup - default is POPC.

7.05E-12

ScatteringLengthOfCH2Tail

cm

Scattering length of the CH2-chains of one lipid - default is POPC.

-1.76E-12

ScatteringLengthOfCH3Tail

cm

Scattering length of the CH3-tails of one lipid - default is POPC.

-9.15E-13

ScatteringLengthOfOneHisTag

cm

Scattering length of one his-tag.

1.10E-10

Roughness

Factor used to smear the interfaces of the nanodisc.

5.0

Concentration

mM

Concentration of sample.

0.01

RhoSolvent

cm/Å\(^{3}\)

Scattering length density of solvent - default is D2O.

6.4e-14

AbsorptionCrosssection

1/m

Absorption cross section of the sample.

0.0

xwidth

m

Dimension of component in the x-direction.

yheight

m

Dimension of component in the y-direction.

zdepth

m

Dimension of component in the z-direction.

SampleToDetectorDistance

m

Distance from sample to detector (for focusing the scattered neutrons).

DetectorRadius

m

Radius of the detector (for focusing the scattered neutrons).

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