1KL8

NMR STRUCTURAL ANALYSIS OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND THE PRINCIPAL ALPHA-NEUROTOXIN BINDING SEQUENCE ON THE ALPHA7 SUBUNIT OF A NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents1.6 MM ALPHA-BUNGAROTOXIN 15N]-ALPHA 7 19MER COMPLEX MM SODIUM PHOSPHATE, PH 5. MICROMOLAR SODIUM AZIDE 50 MICROMOLAR TMSP
Solvent95% H2O/5% D2O
Ionic Strengthn/a
pH5.50
PressureAMBIENT
Temperature (K)308.00
Experiment(s):2D NOESY, 2D TOCSY, 3D_15 SEPARATED_NOESY, 3D_15N- SEPARATED_TOCSY, 2D 1H-15N HSQC, HNHA
Spectrometer Information
Manufacturer Model Field Strength
Bruker Avance 600.0
Bruker Avance 400.0
NMR Refinement
Method DISTANCE GEOMETRY DYNAMIC SIMULATED ANNEALING
Details RMS DEVIATIONS FROM IDEAL VALUES BOND LENGTH(A) 0.0039, ANGLES(DEG) 0.61, IMPROPERS(DEG) 0.5
NMR Ensemble Information
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 minimized average structure
Additional NMR Experimental Information
1 THE WELL-DEFINED REGIONS IN THE COMPLEX, EXHIBITING EXTENSIVE LONG RANGE NOES, ARE: BGTX: 1-16, 22-28, 39-48, AND 54-68 ALPHA 7 19MER: 185-194.
Computation: NMR Software
# Classification Software Name Author
1 refinement version: 1.0 CNS BRUNGER, A.T., ET AL.
2 structure solution version: 2.1 XWINNMR --
3 structure solution version: 1.8 NMRPIPE --
4 structure solution version: 3.87 SPARKY --