NMR paper In silico and NMR identification of inhibitors of the IGF-I and IGF-binding protein-5

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[NMR paper] In silico and NMR identification of inhibitors of the IGF-I and IGF-binding protein-5

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NMR processing:

MDD

NMR assignment:

Backbone:

Side-chains:

NOEs:

Structure from NMR restraints:

Ab initio:

Fragment-based:

Rosetta-NMR (Robetta)

Template-based:

GeNMR

I-TASSER

Refinement:

Amber

Structure from chemical shifts:

Fragment-based:

Homology-based:

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:

NMR model quality:

NOEs, other restraints:

Chemical shifts:

RDCs:

Pseudocontact shifts:

Protein geomtery:

SAVES2 or SAVES4

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:

Isotope labeling:

Solid-state NMR:

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11-24-2010, 08:58 PM

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In silico and NMR identification of inhibitors of the IGF-I and IGF-binding protein-5

In silico and NMR identification of inhibitors of the IGF-I and IGF-binding protein-5 interaction.

Related Articles In silico and NMR identification of inhibitors of the IGF-I and IGF-binding protein-5 interaction.

J Med Chem. 2002 Dec 19;45(26):5655-60

Authors: Kamionka M, Rehm T, Beisel HG, Lang K, Engh RA, Holak TA

Recently we have determined the crystal structure of the insulin-like growth factor-I (IGF-I) in complex with the N-terminal domain of the IGF-binding protein-5 (IGFBP-5). Here we report results of computer screening for potential inhibitors of this interaction using the crystal coordinates. From the compounds suggested by in silico screens, successful binders were identified by NMR spectroscopic methods. NMR was also used to map their binding sites and calculate their binding affinities. Small molecular weight compounds (FMOC derivatives) bind to the IGF-I binding site on the IGFBP-5 with micromolar affinities and thus serve as potential starting compounds for the design of more potent inhibitors and therapeutic agents for diseases that are associated with abnormal IGF-I regulation.

PMID: 12477349 [PubMed - indexed for MEDLINE]

Source: PubMed

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