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HIV-1 gp41 clade B double alanine mutant Membrane Proximal External Region peptide in DPC micelle
Authors
Sun, Z.J., Wagner, G., Reinherz, E.L., Kim, M., Song, L., Choi, J., Cheng, Y., Chowdhury, B., Bellot, G., Shih, W.
Assembly
MPER-HxB2-AA
Entity
1. MPER-HxB2-AA (polymer, Thiol state: not present), 27 monomers, 3453.934 Da Detail

EQELLELDKW ASLWAWFAIT NWLWYIK


Formula weight
3453.934 Da
Source organism
HIV-1 M:B_HXB2R
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 95.9 %, Completeness (bb): 95.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All95.9 % (355 of 370)95.8 % (181 of 189)96.6 % (142 of 147)94.1 % (32 of 34)
Backbone95.7 % (155 of 162)92.6 % (50 of 54)98.8 % (80 of 81)92.6 % (25 of 27)
Sidechain93.6 % (220 of 235)97.0 % (131 of 135)89.2 % (83 of 93)85.7 % (6 of 7)
Aromatic79.5 % (62 of 78)84.6 % (33 of 39)73.5 % (25 of 34)80.0 % (4 of 5)
Methyl100.0 % (36 of 36)100.0 % (18 of 18)100.0 % (18 of 18)

1. MPER-HxB2-AA

EQELLELDKW ASLWAWFAIT NWLWYIK

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 273 K, pH 6.6 (±0.1), Details 15N/13C-labeled MPER-HxB2-AA


#NameIsotope labelingTypeConcentration
1MPER-HxB2-AA[U-100% 13C; U-100% 15N]1 mM
2DPC[U-100% 2H]100 mM
3H2Onatural abundance90 %
4D2Onatural abundance10 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 273 K, pH 6.6 (±0.1), Details unlabeled MPER-HxB2-AA


#NameIsotope labelingTypeConcentration
9MPER-HxB2-AAnatural abundance1 mM
10DPC[U-100% 2H]100 mM
11D2Onatural abundance100 %

Protein Blocks Logo
Calculated from 10 models in PDB: 2ME1, Strand ID: A Detail


Release date
2013-10-07
Citation
Disruption of helix-capping residues 671 and 674 reveals a role in HIV-1 entry for a specialized hinge segment of the membrane proximal external region of gp41
Sun, Z.J., Cheng, Y., Kim, M., Song, L., Choi, J., Kudahl, U.J., Brusic, V., Chowdhury, B., Yu, L., Seaman, M.S., Bellot, G., Shih, W.M., Wagner, G., Reinherz, E.L.
J. Mol. Biol. (2014), 426, 1095-1108, PubMed 24075869 , DOI 10.1016/j.jmb.2013.09.030 ,
Related entities 1. MPER-HxB2-AA, : 1 : 27 : 65 entities Detail
Interaction partners 1. MPER-HxB2-AA, : 8 interactors Detail
Experiments performed 7 experiments Detail
NMR combined restraints 4 contents Detail
Keywords helix-hinge-helix, MPER, viral fusion