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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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Default Characterization of the three-dimensional solution structure of human profilin: 1H, 1

Characterization of the three-dimensional solution structure of human profilin: 1H, 13C, and 15N NMR assignments and global folding pattern.

Related Articles Characterization of the three-dimensional solution structure of human profilin: 1H, 13C, and 15N NMR assignments and global folding pattern.

Biochemistry. 1993 Dec 21;32(50):13818-29

Authors: Metzler WJ, Constantine KL, Friedrichs MS, Bell AJ, Ernst EG, Lavoie TB, Mueller L

Human profilin is a 15-kDa protein that plays a major role in the signaling pathway leading to cytoskeletal rearrangement. Essentially complete assignment of the 1H, 13C, and 15N resonances of human profilin have been made by analysis of multidimensional, double- and triple-resonance nuclear magnetic resonance (NMR) experiments. The deviation of the 13C alpha and 13C beta chemical shifts from their respective random coil values were analyzed and correlate well with the secondary structure determined from the NMR data. Twenty structures of human profilin were refined in the program X-PLOR using a total of 1186 experimentally derived conformational restraints. The structures converged to a root mean squared distance deviation of 1.5 A for the backbone atoms. The resultant conformational ensemble indicates that human profilin is an alpha/beta protein comprised of a seven-stranded, antiparallel beta-sheet and three helices. The secondary structure elements for human profilin are quite similar to those found in Acanthamoeba profilin I [Archer, S. J., Vinson, V. K., Pollard, T. D., & Torchia, D. A. (1993), Biochemistry 32, 6680-6687], suggesting that the three-dimensional structure of Acanthamoeba profilin I should be analogous to that determined here for human profilin. The structure determination of human profilin has facilitated the sequence alignment of lower eukaryotic and human profilins and provides a framework upon which the various functionalities of profilin can be explored. At least one element of the actin-binding region of human profilin is an alpha-helix. Two mechanisms by which phosphatidylinositol 4,5-bisphosphate can interfere with actin-binding by human profilin are proposed.

PMID: 8268157 [PubMed - indexed for MEDLINE]



Source: PubMed
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