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mm:parameters:iron:cccc

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Iron(III) - CCCC

Coordination Sphere Oxidation State: Fe(III)
Spin Multiplicity: 6
PATH TO IMAGE2 1)

Structure chosen to parameterize

TEST PROTEIN
Protein Rubredoxin
PDB Code 1IRO
Crystallographic Resolution 1.10 Å
Organism Clostridium pasteurianum
[Dauter, 1996]

Parameters Determined

Atom Types

ATOM TYPE NEW ATOM TYPE MASS STRUCTURE
FE FE 55.845
SG SF 32.065

Bond Parameters

BOND Kl / kcal mol-1 Å-2 l / Å REFERENCE
FE-SF 80.75 2.3170 [Carvalho, 2013]
CT-SF 237.00 1.8100

Angle Parameters

ANGLE Kθ / kcal mol-1 rad-2 θ / deg REFERENCE
SF-FE-SF 33.15 109.8650 [Carvalho, 2013]
CT-SF-FE 27.60 100.9150
SF-CT-H1 50.00 109.5000
CT-CT-SF 50.00 108.6000

Van der Waals Parameters

ATOM TYPE Ri / Å εi / kcal mol-1 REFERENCE
FE 2.6500 0.0450 [Giammona, 1984]
SF 2.0000 0.2500

Downloads

Parameter File .frcmod
Coordination Sphere Charges .off
Rubredoxin’s PDB File (1IRO.pdb)\ LEAPRC file .pdb, leaprc

References

A.T.P. Carvalho, A.F.S. Teixeira, MJ.Ramos. Parameters for Molecular Dynamics Simulations of Iron-Sulfur Proteins. J. Comput. Chem., 2013, 34, 1540-1548

D. A. Giammona, Ph.D. Thesis; University of California: Davis, 1984

1) The schemes represent geometrical dispositions for crystal lattices. These should be roughly similar to the corresponding distorted geometries in enzymatic coordination spheres.
mm/parameters/iron/cccc.1375724876.txt.gz · Last modified: 2013/08/05 18:47 by ruineves