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NMR Solution Structure of [T20K]kalata B1
Authors
Harvey, P.J., Craik, D.J., Gruber, C.W.
Assembly
Kalata-B1
Entity
1. Kalata-B1 (polymer, Thiol state: all disulfide bound), 29 monomers, 2943.403 Da Detail

GLPVCGETCV GGTCNTPGCK CSWPVCTRN


Formula weight
2943.403 Da
Entity Connection
disulfide 3, covalent 1 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS5:SG1:CYS19:SG
2disulfidesing1:CYS9:SG1:CYS21:SG
3disulfidesing1:CYS14:SG1:CYS26:SG
4covalentsing1:GLY1:N1:ASN29:C

Source organism
Oldenlandia affinis
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 85.6 %, Completeness (bb): 82.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All85.6 % (249 of 291)98.0 % (146 of 149)67.0 % (75 of 112)93.3 % (28 of 30)
Backbone82.1 % (138 of 168)100.0 % (60 of 60)63.4 % (52 of 82)100.0 % (26 of 26)
Sidechain91.8 % (135 of 147)96.6 % (86 of 89)87.0 % (47 of 54)50.0 % (2 of 4)
Aromatic25.0 % (3 of 12)50.0 % (3 of 6) 0.0 % (0 of 5) 0.0 % (0 of 1)
Methyl91.7 % (22 of 24)100.0 % (12 of 12)83.3 % (10 of 12)

1. entity 1

GLPVCGETCV GGTCNTPGCK CSWPVCTRN

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 3.3, Details 1.0 mM peptide, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1peptidenatural abundance1.0 (±0.1) mM
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 3.3, Details 1.0 mM peptide, 100% D2O


#NameIsotope labelingTypeConcentration
2peptidenatural abundance1.0 (±0.1) mM

Release date
2021-02-07
Citation
Importance of the Cyclic Cystine Knot Structural Motif for Immunosuppressive Effects of Cyclotides
Hellinger, R., Muratspahic, E., Devi, S., Koehbach, J., Vasileva, M., Harvey, P.J., Craik, D.J., Grundemann, C., Gruber, C.W.
ACS Chem. Biol. (2021), 16, 2373-2386, PubMed 34592097 , DOI 10.1021/acschembio.1c00524 ,
Entries sharing articles BMRB: 1 entries Detail
  BMRB: 30935 released on 2021-07-29
    Title NMR Solution structure of linear [T20K]kalataB1
Related entities 1. Kalata-B1, : 1 : 17 : 103 entities Detail
Experiments performed 6 experiments Detail
Chemical shift validation 3 contents Detail
Keywords CCK motif, PLANT PROTEIN, cyclic peptide, cyclotide, knottin