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NMR solution structure of the pheromone Ep-1 from Euplotes petzi
Authors
Pedrini, B., Vallesi, A., Alimenti, C., Luporini, P.
Assembly
pheromone Ep-1 from Euplotes petzi
Entity
1. pheromone Ep-1 from Euplotes petzi (polymer, Thiol state: all disulfide bound), 32 monomers, 3180.613 Da Detail

SCGSECAPEP DCWGCCLVQC APSICAGWCG GS


Formula weight
3180.613 Da
Entity Connection
disulfide 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS20:SG
2disulfidesing1:CYS6:SG1:CYS15:SG
3disulfidesing1:CYS12:SG1:CYS29:SG
4disulfidesing1:CYS16:SG1:CYS25:SG

Source organism
Euplotes petzi
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 96.9 %, Completeness: 92.9 %, Completeness (bb): 95.5 % Detail

Polymer type: polypeptide(L)

Total1H
All92.9 % (145 of 156)92.9 % (145 of 156)
Backbone95.5 % (63 of 66)95.5 % (63 of 66)
Sidechain91.1 % (82 of 90)91.1 % (82 of 90)
Aromatic100.0 % (12 of 12)100.0 % (12 of 12)
Methyl100.0 % (9 of 9)100.0 % (9 of 9)

1. Ep-1

SCGSECAPEP DCWGCCLVQC APSICAGWCG GS

Sample

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 293 (±1) K, pH 6.0


#NameIsotope labelingTypeConcentration
1Ep-1natural abundanceprotein0.25 (±0.05) mM
2H2Onatural abundancesolvent95 %
3D2O[U-2H]solvent5 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2N2S, Strand ID: A Detail


Release date
2016-04-24
Citation
Molecular Structure and Coding Genes of the Water-Borne Protein Pheromones of Euplotes petzi, an Early Diverging Polar Species of the Euplotes
Pedrini, B., Suter-Stahel, T., Vallesi, A., Alimenti, C., Luporini, P.
J. Eukaryot. Microbiol. (2016), 64, 164-172, PubMed 27455370 , DOI 10.1111/jeu.12348 ,
Related entities 1. pheromone Ep-1 from Euplotes petzi, : 1 : 1 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 4 contents Detail
Keywords PROTEIN