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NMR solution structure of the pheromone En-1 of Euplotes nobilii at -1.5 C
Authors
Pedrini, B., Alimenti, C., Vallesi, A., Luporini, P., Wuthrich, K.
Assembly
En-1
Entity
1. En-1 (polymer, Thiol state: all disulfide bound), 52 monomers, 5630.082 Da Detail

NPEDWFTPDT CAYGDSNTAW TTCTTPGQTC YTCCSSCFDV VGEQACQMSA QC


Formula weight
5630.082 Da
Entity Connection
disulfide 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS11:SG1:CYS37:SG
2disulfidesing1:CYS23:SG1:CYS33:SG
3disulfidesing1:CYS34:SG1:CYS46:SG
4disulfidesing1:CYS30:SG1:CYS52:SG

Source organism
Euplotes nobilii
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 86.0 %, Completeness (bb): 77.8 % Detail

Polymer type: polypeptide(L)

Total1H13C
All86.0 % (410 of 477)98.1 % (264 of 269)70.2 % (146 of 208)
Backbone77.8 % (200 of 257)97.1 % (101 of 104)64.7 % (99 of 153)
Sidechain95.9 % (258 of 269)98.8 % (163 of 165)91.3 % (95 of 104)
Aromatic86.2 % (50 of 58)96.7 % (29 of 30)75.0 % (21 of 28)
Methyl100.0 % (34 of 34)100.0 % (17 of 17)100.0 % (17 of 17)

1. En-1

NPEDWFTPDT CAYGDSNTAW TTCTTPGQTC YTCCSSCFDV VGEQACQMSA QC

Sample

Solvent system 90% H2O/10% D2O, Temperature 271.7 (±0.1) K, pH 6.0 (±0.1)


#NameIsotope labelingTypeConcentration
1En-1natural abundance1.0 mM
2sodium phosphatenatural abundance20 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 2KC6, Strand ID: A Detail


Release date
2009-07-22
Citation
Molecular cold-adaptation: comparative analysis of two homologous families of psychrophilic and mesophilic signal proteins of the protozoan ciliate, Euplotes
Alimenti, C., Vallesi, A., Pedrini, B., Wuthrich, K., Luporini, P.
IUBMB Life (2009), 61, 838-845, PubMed 19621350 , DOI 10.1002/iub.228 ,
Entries sharing articles Swiss-Prot: 2 entries Detail
  Swiss-Prot: P83441 released on 2003-06-27
    Title MEN1_EUPNO Entity Mating pheromone En-1
  Swiss-Prot: P83235 released on 2002-06-20
    Title MEN2_EUPNO Entity Mating pheromone En-2
Related entities 1. En-1, : 1 : 2 : 4 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 3 contents Detail
Keywords PROTEIN