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CONFIRMATIONAL ANALYSIS OF THE BROAD-SPECTRUM ANTIBACTERIAL PEPTIDE, RANTUERIN-2CSA: IDENTIFICATION OF A FULL LENGTH HELIX-TURN-HELIX MOTIF
Authors
Hewage, C.M., Subasinghage, A.P., Conlon, M.
Assembly
ranatuerin-2CSa
Entity
1. ranatuerin-2CSa (polymer, Thiol state: all disulfide bound), 32 monomers, 3249.927 Da Detail

GILSSFKGVA KGVAKDLAGK LLETLKCKIT GC


Formula weight
3249.927 Da
Entity Connection
disulfide 1 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS27:SG1:CYS32:SG

Source organism
Rana cascadae
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, simulated annealing, Conjugated gradient minimization, Powell minimization
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 90.9 %, Completeness (bb): 98.6 % Detail

Polymer type: polypeptide(L)

Total1H
All90.9 % (169 of 186)90.9 % (169 of 186)
Backbone98.6 % (68 of 69)98.6 % (68 of 69)
Sidechain86.3 % (101 of 117)86.3 % (101 of 117)
Aromatic80.0 % (4 of 5)80.0 % (4 of 5)
Methyl100.0 % (23 of 23)100.0 % (23 of 23)

1. ranatuerin-2CSa

GILSSFKGVA KGVAKDLAGK LLETLKCKIT GC

Sample

Solvent system 1:1 mixture of TFE-d3 and H2O, Pressure 1 atm, Temperature 298 K, pH 3.2


#NameIsotope labelingTypeConcentration
1Peptidenatural abundance1.5-2.0 mM
2TFE-d3/H2Onatural abundance1:1 v/v

Protein Blocks Logo
Calculated from 20 models in PDB: 2K10, Strand ID: A Detail


Release date
2008-06-26
Citation
Conformational analysis of the broad-spectrum antibacterial peptide, ranatuerin-2CSa: identification of a full length helix-turn-helix motif
Subasinghage, A.P., Conlon, J.M., Hewage, C.M.
Biochim. Biophys. Acta (2008), 1784, 924-929, PubMed 18387372 , DOI 10.1016/j.bbapap.2008.02.019 ,
Related entities 1. ranatuerin-2CSa, : 1 : 47 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords ANTIMICROBIAL PEPTIDE, DISULFIDE BOND, HELIX-TURN-HELIX, MOLECULAR MODELLING, NMR