BMRB: 6952

Violacin A

Authors

Ireland, D.C., Craik, D.J., Daly, N.L.

Assembly

Violacin A

Entity

1. Violacin A (polymer, Thiol state: all disulfide bound), 27 monomers, 3012.547 Da Detail

SAISCGETCF KFKCYTPRCS CSYPVCK

Formula weight

3012.547 Da

Entity Connection

disulfide 3 Detail

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ID	Type	Value order	Atom ID 1	Atom ID 2
1	disulfide	sing	1:CYS5:SG	1:CYS19:SG
2	disulfide	sing	1:CYS9:SG	1:CYS21:SG
3	disulfide	sing	1:CYS14:SG	1:CYS26:SG

Source organism

Viola odorata

Exptl. method

NMR

Refine. method

torsion angle simulated annealing followed by molecular dynamics and energy minimization in a water shell

Data set

assigned_chemical_shifts

Chem. Shift Complete

Sequence coverage: 92.6 %, Completeness: 74.2 %, Completeness (bb): 90.6 % Detail

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Polymer type: polypeptide(L)

	Total	1H
All	74.2 % (118 of 159)	74.2 % (118 of 159)
Backbone	90.6 % (48 of 53)	90.6 % (48 of 53)
Sidechain	66.0 % (70 of 106)	66.0 % (70 of 106)
Aromatic	22.2 % (4 of 18)	22.2 % (4 of 18)
Methyl	100.0 % (7 of 7)	100.0 % (7 of 7)

1. Violacin A

SAISCGETCF KFKCYTPRCS CSYPVCK

Show sample condition

Sample

Pressure 1 atm, Temperature 298 K, pH 3.8

#	Name	Isotope labeling	Type	Concentration
1	Violacin A			1 mM
2	H2O			90 %
3	D2O			10 %

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Calculated from 20 models in PDB: 2FQA, Strand ID: A Detail

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Release date

2006-01-26

Citation

Discovery and characterization of a linear cyclotide from Viola odorata: implications for the processing of circular proteins
Ireland, D.C., Colgrave, M.L., Nguyencong, P., Daly, N.L., Craik, D.J.
J. Mol. Biol. (2006), 357, 1522-1535, PubMed 16488428 , DOI 10.1016/j.jmb.2006.01.051 , Abstract

Related entities 1. Violacin A, : 1 : 1 : 78 entities Detail

Experiments performed 4 experiments Detail