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Structure-activity relationships for the beta-hairpin cationic antimicrobial peptide polyphemusin I
Authors
Powers, J.S., Rozek, A., Hancock, R.E.W.
Assembly
Polyphemusin I
Entity
1. Polyphemusin I (polymer, Thiol state: all disulfide bound), 19 monomers, 2456.967 Da Detail

RRWCFRVCYR GFCYRKCRX


Formula weight
2456.967 Da
Entity Connection
disulfide 2 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS4:SG1:CYS17:SG
2disulfidesing1:CYS4:SG1:CYS17:SG

Source organism
Tachypleus sp.
Exptl. method
NMR
Refine. method
DISTANCE GEOMETRY WITH SIMULATED ANNEALING
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 94.7 %, Completeness: 98.5 %, Completeness (bb): 97.3 % Detail

Polymer type: polypeptide(L)

Total1H
All98.5 % (130 of 132)98.5 % (130 of 132)
Backbone97.3 % (36 of 37)97.3 % (36 of 37)
Sidechain98.9 % (94 of 95)98.9 % (94 of 95)
Aromatic95.8 % (23 of 24)95.8 % (23 of 24)
Methyl100.0 % (2 of 2)100.0 % (2 of 2)

1. Polyphemusin I

RRWCFRVCYR GFCYRKCRX

Sample

Temperature 300 (±1) K, pH 4.0 (±0.2)


#NameIsotope labelingTypeConcentration
1Polyphemusin I2 mM

Protein Blocks Logo
Calculated from 17 models in PDB: 1RKK, Strand ID: A Detail


Release date
2008-07-15
Citation
Structure-activity relationships for the beta-hairpin cationic antimicrobial peptide polyphemusin I
Powers, J.S., Rozek, A., Hancock, R.E.W.
Biochim. Biophys. Acta (2004), 1698, 239-250, PubMed 15134657 , DOI 10.1016/j.bbapap.2003.12.009 ,
Entries sharing articles Swiss-Prot: 1 entries Detail
  Swiss-Prot: P14215 released on 1990-01-01
    Title PPM1_LIMPO Entity Polyphemusin-1
Related entities 1. Polyphemusin I, : 1 : 4 : 21 entities Detail
Experiments performed 3 experiments Detail
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