ID
Name
Class
Organism
Assay Summary
1
kalata B1
Cyclotide
Viola odorata Oldenlandia affinis Viola tricolor Hybanthus enneaspermus Viola baoshanensis Viola yedoensis Viola philippica Viola sumatrana Miq
Tricyclon A has minimal haemolytic activity [...] Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...] Hemolytic activity for established for kalata B1 but not acyclic permutants [...] Hemolytic activity established for kalata B1, circulin A, circulin B and cyclopsychotride A [...] Cycloviolacins Y4 and Y5 are the most hemolytic of the new cyclotides, both being more potent than the prototypic cyclotide kalata B1. By contrast, cycloviolacin Y1 is substantially less active than all of the other cyclotides tested. [...] Cycloviolacin H4 has potent haemolytic activity compared to kalata B1 [...] Both [P20D/V21K]kalata B1 and [W19K/P20N/V21K]kalata B1 exhibited no haemolytic activity. Kalata B1 exhibited mild haemolytic activity. [...] Both kalata B1 oia and B1 nfk exhibited no haemolytic activity [...] At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
7
tricyclon A
Cyclotide
Viola odorata Viola tricolor Viola arvensis
Tricyclon A has minimal haemolytic activity [...]
8
circulin A
Cyclotide
Chassalia parvifolia Chassalia chartacea
Hemolytic activity established for kalata B1, circulin A, circulin B and cyclopsychotride A [...]
9
N-KB1-C
Cyclotide
Synthetic
Kalata B1 showed concentration dependent erythrocyte lysis. [...]
10
Ac-KB1-C
Cyclotide
Synthetic
Kalata B1 showed concentration dependent erythrocyte lysis. [...]
11
N-KB1-Am
Cyclotide
Synthetic
Kalata B1 showed concentration dependent erythrocyte lysis. [...]
12
Ac-KB1-Am
Cyclotide
Synthetic
Kalata B1 showed concentration dependent erythrocyte lysis. [...]
13
Ac-[desGly]-KB1-Am
Cyclotide
Synthetic
Kalata B1 showed concentration dependent erythrocyte lysis. [...]
14
kalata b1-1
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
15
kalata b1-2
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
16
kalata b1-3
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
17
kalata b1-4
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
18
kalata b1-5
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
19
kalata b1-6a
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
20
kalata b1-6b
Cyclotide
Synthetic
Hemolytic activity for established for kalata B1 but not acyclic permutants [...]
21
cycloviolacin O2
Cyclotide
Viola odorata Hybanthus enneaspermus Viola baoshanensis Viola biflora Viola philippica Viola uliginosa Viola arcuata Viola austrosinensis Viola anagae
At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
22
des(24-28)kB1
Cyclotide
Synthetic
Resistance to enzymatic digest shown for kalata B1 and acyclic permutants. Reduced protein was susceptible. [...]
32
cyclopsychotride A
Cyclotide
Psychotria longipes
Hemolytic activity established for kalata B1, circulin A, circulin B and cyclopsychotride A [...]
37
kalata S
Cyclotide
Viola odorata Oldenlandia affinis Viola tricolor Viola arvensis Viola baoshanensis Viola yedoensis Viola biflora Viola philippica Viola ignobilis Viola uliginosa Viola sumatrana Miq Viola arcuata Palicourea sessilis Viola betonicifolia Viola anagae
Cycloviolacins Y4 and Y5 are the most hemolytic of the new cyclotides, both being more potent than the prototypic cyclotide kalata B1. By contrast, cycloviolacin Y1 is substantially less active than all of the other cyclotides tested. [...] At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
45
circulin B
Cyclotide
Chassalia parvifolia
Hemolytic activity established for kalata B1, circulin A, circulin B and cyclopsychotride A [...]
52
cycloviolacin O4
Cyclotide
Viola odorata Viola tricolor Viola baoshanensis Pombalia calceolaria
The toxicity of the cyclotides (anpy A, anpy B, cyO4, and cyO17) against human red blood cells. [...]
168
kalata B8
Cyclotide
Oldenlandia affinis Hybanthus enneaspermus
Kalata B8 did not display haemolytic activity. [...]
169
cycloviolacin H4
Cyclotide
Viola hederacea
Cycloviolacin H4 has potent haemolytic activity compared to kalata B1 [...]
170
cycloviolacin O13
Cyclotide
Viola odorata Hybanthus enneaspermus Viola baoshanensis Viola uliginosa Viola arcuata Viola austrosinensis
At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
172
violacin A
Cyclotide
Viola odorata Psychotria leptothyrsa
Violacin A showed markedly decreased hemolytic activity relative to the prototypic cyclotide kalata B1 [...]
174
cycloviolacin O14
Cyclotide
Viola odorata
At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
175
cycloviolacin O15
Cyclotide
Viola odorata
At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
177
cycloviolacin O17
Cyclotide
Viola odorata
The toxicity of the cyclotides (anpy A, anpy B, cyO4, and cyO17) against human red blood cells. [...]
184
cycloviolacin O24
Cyclotide
Viola odorata
At a concentration of 25 ºM, a more than 6-fold difference exists between the most hemolyticcyclotide, cycloviolacin O24 (~75% hemolysis), and the least hemolytic cyclotide cycloviolacin O14 (~11% hemolysis). The sensitivity of hemolytic activity to variations in the peptide sequence is evident when comparing cycloviolacin O2 and O13. Here, the only sequence deviation is a single residue substitution of a serine in loop 3 of O2 (HD50 ~36 ºM) to an alanine in the homologous position in O13 (HD50 ~11 ºM). The loss of this single hydroxy group changes the HD50 more than three-fold. [...]
234
[P20D,V21K]kalata B1
Cyclotide
Synthetic
Both [P20D/V21K]kalata B1 and [W19K/P20N/V21K]kalata B1 exhibited no haemolytic activity. Kalata B1 exhibited mild haemolytic activity. [...]
235
[W19K, P20N, V21K]kalata B1
Cyclotide
Synthetic
Both [P20D/V21K]kalata B1 and [W19K/P20N/V21K]kalata B1 exhibited no haemolytic activity. Kalata B1 exhibited mild haemolytic activity. [...]
240
kalata B1 oia
Cyclotide
Oldenlandia affinis
Both kalata B1 oia and B1 nfk exhibited no haemolytic activity [...]
241
kalata B1 nfk
Cyclotide
Oldenlandia affinis
Both kalata B1 oia and B1 nfk exhibited no haemolytic activity [...]
347
cycloviolacin Y1
Cyclotide
Viola yedoensis
Cycloviolacins Y4 and Y5 are the most hemolytic of the new cyclotides, both being more potent than the prototypic cyclotide kalata B1. By contrast, cycloviolacin Y1 is substantially less active than all of the other cyclotides tested. [...]
350
cycloviolacin Y4
Cyclotide
Viola yedoensis
Cycloviolacins Y4 and Y5 are the most hemolytic of the new cyclotides, both being more potent than the prototypic cyclotide kalata B1. By contrast, cycloviolacin Y1 is substantially less active than all of the other cyclotides tested. [...]
351
cycloviolacin Y5
Cyclotide
Viola baoshanensis Viola yedoensis
Cycloviolacins Y4 and Y5 are the most hemolytic of the new cyclotides, both being more potent than the prototypic cyclotide kalata B1. By contrast, cycloviolacin Y1 is substantially less active than all of the other cyclotides tested. [...]
454
[G1A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
455
[L2A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
456
[P3A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
457
[V4A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
458
[G6A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
459
[E7A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
460
[T8A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
461
[V10A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
462
[G11A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
463
[G12A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
464
[T13A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
465
[N15A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
466
[T16A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
467
[P17A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
468
[G18A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
469
[T20A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
470
[S22A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
473
[V25A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
474
[T27A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
475
[R28A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
476
[N29A]kalata B1
Cyclotide
Synthetic
Substitution of certain residues of kalata B1 to alanine result in loss of hemolytic activity. Residues in loops 1 and 3 along with a few other isolated residues strongly affect activity. [...]
1961
anpy A
Cyclotide
Anchietea pyrifolia
The toxicity of the cyclotides (anpy A, anpy B, cyO4, and cyO17) against human red blood cells. [...]
1962
anpy B
Cyclotide
Anchietea pyrifolia
The toxicity of the cyclotides (anpy A, anpy B, cyO4, and cyO17) against human red blood cells. [...]
1963
anpy C
Cyclotide
Anchietea pyrifolia
The toxicity of the cyclotides (anpy A, anpy B, cyO4, and cyO17) against human red blood cells. [...]