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NMR processing:
MDD
NMR assignment:
Backbone:
Autoassign
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:
PROSESS
PSVS
RPF scores
iCing
Chemical shifts:
PROSESS
CheShift2
Vasco
iCing
RDCs:
DC
Anisofit
Pseudocontact shifts:
Anisofit
Protein geomtery:
Resolution-by-Proxy
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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Old 08-21-2010, 11:45 PM
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Default 1H, 13C, and 15N NMR backbone assignments and secondary structure of human interferon

1H, 13C, and 15N NMR backbone assignments and secondary structure of human interferon-gamma.

Related Articles 1H, 13C, and 15N NMR backbone assignments and secondary structure of human interferon-gamma.

Biochemistry. 1992 Sep 8;31(35):8180-90

Authors: Grzesiek S, Döbeli H, Gentz R, Garotta G, Labhardt AM, Bax A

1H, 13C, and 15N NMR assignments of the protein backbone of human interferon-gamma, a homodimer of 31.4 kDa, have been made using the recently introduced three-dimensional (3D) triple-resonance NMR techniques. It is shown that, despite the approximately 40-50-Hz 13C alpha and 1H alpha line widths of this high molecular weight dimer and the extensive overlap in the 1H alpha and 13C alpha spectral regions, unique sequential assignments can be made on the basis of combined use of the 3D HNCO, HNCA, HN(CO)CA, and HCACO constant-time experiments, the 15N-separated 3D NOESY-HMQC, and the 3D HOHAHA-HMQC experiments. Analysis of the 15N-separated 3D NOESY-HMQC and 13C/15N-separated four-dimensional (4D) NOESY-HMQC spectra together with the secondary C alpha and C beta chemical shifts yielded extensive secondary structure information. The NMR-derived secondary structure essentially confirms results of a recently published low-resolution crystal structure [Ealick et al. (1991) Science 252, 698-702], i.e., six helices in the monomer which are mostly alpha-helical in nature, no beta-sheets, a long flexible loop between helices A and B, and a very hydrophobic helix C. The functionally important carboxy terminus, which was not observed in the X-ray study, does not adopt a rigid conformation in solution. A high degree of internal mobility, starting at Pro-123, gives rise to significantly narrower resonance line widths for these carboxy-terminal residues compared to the rest of the protein.

PMID: 1525157 [PubMed - indexed for MEDLINE]



Source: PubMed
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