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BTD-2[3,4]
Authors
Conibear, A.C., Rosengren, K., Daly, N.L., Troiera Henriques, S., Craik, D.J.
Assembly
BTD-2[3,4]
Entity
1. BTD-2[3,4] (polymer, Thiol state: all disulfide bound), 18 monomers, 2084.613 Da Detail

RCVCRRGVCR CVCRRGVC


Formula weight
2084.613 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS11:SG
2disulfidesing1:CYS4:SG1:CYS9:SG
3disulfidesing1:CYS13:SG1:CYS18:SG

Source organism
Papio anubis
Exptl. method
solution NMR
Refine. method
simulated annealing, torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 88.6 %, Completeness (bb): 78.9 % Detail

Polymer type: polypeptide(L)

Total1H13C
All88.6 % (156 of 176)99.0 % (103 of 104)73.6 % (53 of 72)
Backbone78.9 % (71 of 90)97.4 % (37 of 38)65.4 % (34 of 52)
Sidechain99.0 % (101 of 102)100.0 % (66 of 66)97.2 % (35 of 36)
Methyl75.0 % (12 of 16)75.0 % (6 of 8)75.0 % (6 of 8)

1. BTD-2[3,4]

RCVCRRGVCR CVCRRGVC

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 4, Details 0.8 mM, pH 4


#NameIsotope labelingTypeConcentration
1BTD-2[3,4]natural abundance0.8 mM
2DSSnatural abundance10 ug
3H2Onatural abundance90 %
4D2Onatural abundance10 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 4, Details 0.8 mM, pH 3


#NameIsotope labelingTypeConcentration
5BTD-2[3,4]natural abundance0.8 mM
6DSSnatural abundance10 ug
7D2Onatural abundance100 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2M2Y, Strand ID: A Detail


Release date
2013-02-26
Citation
The cyclic cystine ladder in θ-defensins is important for structure and stability, but not antibacterial activity
Conibear, A.C., Rosengren, K., Daly, N.L., Henriques, S., Craik, D.J.
J. Biol. Chem. (2013), 288, 10830-10840, PubMed 23430740 , DOI 10.1074/jbc.M113.451047 ,
Related entities 1. BTD-2[3,4], : 1 : 2 : 7 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 5 contents Detail
Keywords antimicrobial peptide, cyclic cystine ladder, cyclic peptides, disulfide bond, theta-defensin