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NMR solution structure of oxytocin
Authors
Harvey, P.J., Craik, D.J.
Assembly
oxytocin
Entity
1. oxytocin (polymer, Thiol state: all disulfide bound), 9 monomers, 1010.188 Da Detail

CYIQNCPLG


Formula weight
1010.188 Da
Entity Connection
disulfide 1 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS1:SG1:CYS6:SG

Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 81.7 %, Completeness (bb): 75.0 % Detail

Polymer type: polypeptide(L)

Total1H13C
All81.7 % (76 of 93)96.3 % (52 of 54)61.5 % (24 of 39)
Backbone75.0 % (33 of 44)94.4 % (17 of 18)61.5 % (16 of 26)
Sidechain89.5 % (51 of 57)97.2 % (35 of 36)76.2 % (16 of 21)
Aromatic50.0 % (4 of 8)100.0 % (4 of 4) 0.0 % (0 of 4)
Methyl100.0 % (8 of 8)100.0 % (4 of 4)100.0 % (4 of 4)

1. oxytocin

CYIQNCPLG

Sample #1

Solvent system 90% H2O/10% D2O, Temperature 298 K, pH 3.5


#NameIsotope labelingTypeConcentration
1oxytocinnatural abundance2.0 mM
2H2Onatural abundance90 %
3D2O[U-100% 2H]10 %
Sample #2

Solvent system 100% D2O, Temperature 298 K, pH 3.5


#NameIsotope labelingTypeConcentration
4oxytocinnatural abundance2.0 mM
5D2O[U-100% 2H]100 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2MGO, Strand ID: A Detail


Release date
2014-02-10
Citation
Oxytocic plant cyclotides as templates for peptide G protein-coupled receptor ligand design
Koehbach, J., Muttenthaler, M., Miazzo, M., Akcan, M., Elliott, M., Daly, A.G., Harvey, N.L., Arrowsmith, P.J., Gunasekera, S., Smith, S., Wray, T.J., Goransson, S., Dawson, U., Craik, P.E., Freissmuth, D.J., Gruber, M.
Proc. Natl. Acad. Sci. U. S. A. (2013), 110, 21183-21188, PubMed 24248349 , DOI 10.1073/pnas.1311183110 ,
Related entities 1. oxytocin, : 1 : 8 : 4 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 4 contents Detail
Keywords hormone