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NMR assignment and structure of a peptide derived from the fusion peptide of HIV-1 gp41 in the presence of dodecylphosphocholine micelles
Authors
Jimenez, M.A., Serrano, S., Nieva, J.L., Huarte, N.
Assembly
scrFP-tag,Gp41
Entity
1. scrFP-tag,Gp41 (polymer, Thiol state: not present), 35 monomers, 3818.377 Da Detail

GIGAFGLLGF LAAGSKKXKN EQELLELDKW ASLWN


Formula weight
3818.377 Da
Source organism
Human immunodeficiency virus 1
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.1 %, Completeness: 80.8 %, Completeness (bb): 78.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All80.8 % (329 of 407)97.2 % (205 of 211)61.8 % (97 of 157)69.2 % (27 of 39)
Backbone78.9 % (161 of 204)98.6 % (72 of 73)67.0 % (65 of 97)70.6 % (24 of 34)
Sidechain84.9 % (197 of 232)96.4 % (133 of 138)68.5 % (61 of 89)60.0 % (3 of 5)
Aromatic52.3 % (23 of 44)95.5 % (21 of 22) 0.0 % (0 of 20)100.0 % (2 of 2)
Methyl100.0 % (40 of 40)100.0 % (20 of 20)100.0 % (20 of 20)

1. entity 1

GIGAFGLLGF LAAGSKKXKN EQELLELDKW ASLWN

Sample

Solvent system hexafluoroisopropanol/water, Pressure 1 atm, Temperature 298 K, pH 6.8, Details 0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS, hexafluoroisopropanol/water.


#NameIsotope labelingTypeConcentration
1D2O[U-99% 2H]67.5 %
2DSSnatural abundance0.1 mM
3H2Onatural abundance7.5 %
4HEPESnatural abundance2 mM
5HFIP[U-98% 2H]25 %
6scrFP-tagnatural abundance0.6 (±0.1) mM

Protein Blocks Logo
Calculated from 20 models in PDB: 5NWV, Strand ID: A Detail


Release date
2017-05-30
Citation
Structure-Related Roles for the Conservation of the HIV-1 Fusion Peptide Sequence Revealed by Nuclear Magnetic Resonance
Serrano, S., Huarte, N., Rujas, E., Andreu, D., Nieva, J.L., Jimenez, M.A.
Biochemistry (2017), 56, 5503-5511, PubMed 28930470 , DOI 10.1021/acs.biochem.7b00745 ,
Related entities 1. scrFP-tag,Gp41, : 1 : 3 : 16 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 4 contents Detail
Keywords Envelope glycoprotein gp41, STRUCTURE FROM CYANA 2.1, fusion peptide, viral protein