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NMR processing:
MDD
NMR assignment:
Backbone:
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MARS
UNIO Match
PINE
Side-chains:
UNIO ATNOS-Ascan
NOEs:
UNIO ATNOS-Candid
UNIO Candid
ASDP
Structure from NMR restraints:
Ab initio:
GeNMR
Cyana
XPLOR-NIH
ASDP
UNIO ATNOS-Candid
UNIO Candid
Fragment-based:
BMRB CS-Rosetta
Rosetta-NMR (Robetta)
Template-based:
GeNMR
I-TASSER
Refinement:
Amber
Structure from chemical shifts:
Fragment-based:
WeNMR CS-Rosetta
BMRB CS-Rosetta
Homology-based:
CS23D
Simshift
Torsion angles from chemical shifts:
Preditor
TALOS
Promega- Proline
Secondary structure from chemical shifts:
CSI (via RCI server)
TALOS
MICS caps, β-turns
d2D
PECAN
Flexibility from chemical shifts:
RCI
Interactions from chemical shifts:
HADDOCK
Chemical shifts re-referencing:
Shiftcor
UNIO Shiftinspector
LACS
CheckShift
RefDB
NMR model quality:
NOEs, other restraints:
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PSVS
RPF scores
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Chemical shifts:
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Vasco
iCing
RDCs:
DC
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Pseudocontact shifts:
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Protein geomtery:
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PROSESS
What-If
iCing
PSVS
MolProbity
SAVES2 or SAVES4
Vadar
Prosa
ProQ
MetaMQAPII
PSQS
Eval123D
STAN
Ramachandran Plot
Rampage
ERRAT
Verify_3D
Harmony
Quality Control Check
NMR spectrum prediction:
FANDAS
MestReS
V-NMR
Flexibility from structure:
Backbone S2
Methyl S2
B-factor
Molecular dynamics:
Gromacs
Amber
Antechamber
Chemical shifts prediction:
From structure:
Shiftx2
Sparta+
Camshift
CH3shift- Methyl
ArShift- Aromatic
ShiftS
Proshift
PPM
CheShift-2- Cα
From sequence:
Shifty
Camcoil
Poulsen_rc_CS
Disordered proteins:
MAXOCC
Format conversion & validation:
CCPN
From NMR-STAR 3.1
Validate NMR-STAR 3.1
NMR sample preparation:
Protein disorder:
DisMeta
Protein solubility:
camLILA
ccSOL
Camfold
camGroEL
Zyggregator
Isotope labeling:
UPLABEL
Solid-state NMR:
sedNMR


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Default 31P-NMR of free and protein-bound molybdopterin guanine dinucleotide.

31P-NMR of free and protein-bound molybdopterin guanine dinucleotide.

Related Articles 31P-NMR of free and protein-bound molybdopterin guanine dinucleotide.

Biofactors. 1992 Jan;3(3):197-200

Authors: Bastian NR, Johnson JL, Rajagopalan KV

Molybdopterin guanine dinucleotide was studied by 31P-NMR in the free, iodoacetamide derivatized form [di(carboxamidomethyl)molybdopterin] and in the native state in the dimethyl sulfoxide reductase from Rhodobacter sphaeroides. The spectra confirm the presence of a pyrophosphate moiety in the cofactor molecule. Comparison of the spectrum of the free pterin with that of the protein-bound cofactor reveals a substantial upfield shift of the 31P resonances in the enzyme-bound form with respect to the free form. This shift is attributed to differences in the bond and torsional angles of the phosphates. The spectrum of the protein suggests significant coupling between the two phosphorus nuclei with coupling constants of approximately 200 Hz. Comparison of the 31P-NMR spectra of molybdopterin guanine dinucleotide and flavin adenine dinucleotide suggests that the two cofactors have similar conformations in both their free and protein-bound forms.

PMID: 1599613 [PubMed - indexed for MEDLINE]



Source: PubMed
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