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NMR and Mass Spectrometric Studies of M-2 Branch Mini-M Conotoxins from Indian Cone Snails
Authors
Sarma, S., R. P, R., Ganesan, S., S, S., V, S., Gowd K, H., Gupta, K., K. S, K., Padmanabhan, B.
Assembly
M-2 Branch Mini-M Conotoxins
Entity
1. M-2 Branch Mini-M Conotoxins (polymer), 15 monomers, 1452.815 Da Detail

CCRLACGLGC HXCCX


Formula weight
1452.815 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS14:SG1:CYS1:SG
2disulfidesing1:CYS10:SG1:CYS2:SG
3disulfidesing1:CYS13:SG1:CYS6:SG

Source organism
Conus araneosus
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 86.7 %, Completeness: 84.4 %, Completeness (bb): 78.5 % Detail

Polymer type: polypeptide(L)

Total1H13C
All84.4 % (92 of 109)95.2 % (59 of 62)70.2 % (33 of 47)
Backbone78.5 % (51 of 65)92.9 % (26 of 28)67.6 % (25 of 37)
Sidechain94.5 % (52 of 55)97.1 % (33 of 34)90.5 % (19 of 21)
Aromatic50.0 % (2 of 4)100.0 % (2 of 2) 0.0 % (0 of 2)
Methyl100.0 % (10 of 10)100.0 % (5 of 5)100.0 % (5 of 5)

1. entity

CCRLACGLGC HXCCX

Sample

Solvent system methanol, Pressure 1 atm, Temperature 303 K


#NameIsotope labelingTypeConcentration
1ar1446natural abundance0.2 mM
2methanolnatural abundance100 %

Protein Blocks Logo
Calculated from 30 models in PDB: 2M61, Strand ID: A Detail


Release date
2014-04-13
Citation
NMR and Mass Spectrometric Studies of M-2 Branch Mini-M Conotoxins from Indian Cone Snails
Sarma, S.
Not known
Related entities 1. M-2 Branch Mini-M Conotoxins, : 1 : 1 : 3 entities Detail
Experiments performed 4 experiments Detail
NMR combined restraints 6 contents Detail
Keywords Conotoxins, M-2 Branch, Mass spectrometry, NMR spectroscopy, Tertiary structure