Structure

similarity structure
Molecular Formula

C44H57N7O6

Molecular Weight 779.4370325 g/mol
SMILES

RUN SEA Predictions

C[C@@H](OCc1ccccc1)[C@@H]1NC(=O)[C@H](CCCCN)NC(=O)[C@@H](Cc2c[nH]c3ccccc23)NC(=O)[C@H](Cc2ccccc2)NC(=O)CCCCCCNC1=O  

PubChem|122080

InChI
InChI=1S/C44H57N7O6/c1-30(57-29-32-18-8-5-9-19-32)40-44(56)46-25-15-3-2-10-23-39(52)48-37(26-31-16-6-4-7-17-31)42(54)50-38(27-33-28-47-35-21-12-11-20-34(33)35)43(55)49-36(41(53)51-40)22-13-14-24-45/h4-9,11-12,16-21,28,30,36-38,40,47H,2-3,10,13-15,22-27,29,45H2,1H3,(H,46,56)(H,48,52)(H,49,55)(H,50,54)(H,51,53)/t30-,36+,37+,38-,40+/m1/s1  
InChIKey
YHVHQZYJGWGAKN-CMVFKNNYNA-N
2D Structure
PubChem|122080

Sequence

Graph alignment
Local alignment
IUPAC Condensed
cyclo[Lys-Thr(Bn)-Unk-Phe-D-Trp]  

PubChem|122080

Amino acid chain
Lys(1)--Thr(Bn)--Unk--Phe--D-Trp(1)  

CyclicPepedia|PP

Graph representation
Lys,Thr(Bn),Unk,Phe,D-Trp @0,4  

CyclicPepedia|PP

One letter code from Structure
FWKT  

CyclicPepedia|Struct2seq

Amino acid chain from Structure
Ac-Phe(1)--Trp--Lys--C7:0(1)  

CyclicPepedia|Struct2seq

Description of the conversion sequence The one letter code and Amino acid chain derived from the structural transformation may be inconsistent, with the Amino acid chain containing Essential Amino acid and the one letter code not.

Chemical and Physical Properties

CyclicPepedia|Struc2Seq + PP

Structure Properties

Property Name Property Value
Exact Mass 779.4370325
Number of Rings 5.0
Complexity 0.666666667
XlogP3 AA 3.7069
Heavy Atom Count 57.0
Hydrogen Bond Donor Count 7.0
Hydrogen Bond Acceptor Count 7.0
Rotatable Bond Count 12.0
Property Name Property Value
Formal Charge 0.0
Refractivity 219.5646
Rule_of_Five 0.0
Number of Atoms 57.0
Topological Polar Surface Area 196.54
Refractivity 219.5646
Veber Rule 0.0
Ghose Filter 0.0

Property Name Property Value
RDKit Fingerprint
11000111110100100111010111110000111000101111000000011111101011101110101111101100111111010011110011110101110101101010011001110111000001011100111100001111000010000100001000011001010111001111000101110000101101101000000110010000010011000101000100001100011101101111000110001110000111111111010000100010000001011111100101010011110100000011111110011110011100000000111100000011000001000010101001101111010100000111000100001111000010110001001000111111110010101000010000010010111000011100000000000110001101000111100100101101011101101110110110001101101010101101100001010110101001100111010010001001010110111100100110010001000010011110100000111011110000101111100111100111011001000110111110111111010111011001011100110000100101000000010100001011101101001111101010001010001110100110110110011001000111001001011010001011001100011010100100001001111011110000001011101011101101110101011100100011000110001101001001000011001101000110111100110110011100110010110000011110001010011001110010010010111101010111001001111001110101001100100000111101111111110111110110111111110001001111010001001100111001100011100001010011110110100101001001001010000001101000000011101101010000010100101000011000000010110000101111001001011011011111000000001000000100001101010011100100011101010111000011011001100101000110101110011010000000011001110100111001111010111101100111000000100001001111111111100010010110110011110010110001011101001111001000000011010101011100000011100101100011001010001001111100110001111011101111101111010100110001110000101011101010000000100100100011101011110111011100010100011111110100000100100000100100000101001011010101100010000011100110101011010010100000011110101000000000000110010010001111000011000110001011100100010001100101111110101100101101000101000110001000100000100011011001011101011010010111101010000010100001111110100000100011111111101100100101111010111110100111111010100001100001010110011011101010010000001101101001010100101101000101011011010111101110000111110111000011011001011111011001011001101001101110000101111110110110000000000011101100010000100100111001110011
Morgan Fingerprint
0110100000100000000000000000000001000000001000000000000000100000100000000000000010000000001000000000000000000000000100010000000000000000000000000001000000000000100000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000010000100000000000000000100010000100010100000000101100001100000000000000000000110000000100000000000000000000000010100000000000000000000000000000000000000001001000000000000000000000010000000000000001000000010000000001100000000000000000000000000000000000000000000000000000001010000000000000000000000000000000100000000000000000000000000000000000000000100000000000000000000000010000000000000010000000000000000001000000000010000000000000000001000000000001000100000000000000100000000000001000000000000000000000000000000000000000000000010000000001000000000000000100000000110000001000001000000000000000000000000000100010000000000000000000000000100000000000010000100000000000000000000000001000000000000000000000001000000000000001010000000100000000000110000
MACCS Keys
00000000000000000000000000000000000000000000000000000010000000000100000000000001001110000111100111001100110001110000111011000111110110001110101101110011111111111111110

Sequence Properties

Property Name Property Value
Boman Index 0.702499999999999
Instability 7.5
Charge 0.997689265540743

Manufacturers

Manufacturers Name Value
CreativePeptides
Bayer healthcare pharmaceuticals
Upsher smith laboratories
Merck
Manufacturers Name Value
Apotex
Baxter Healthcare Corp
Pharmasources
Novartis
AstraZeneca

Reference

Pubmed_ID Title DOI Journal

3806605

Analogues of the cytostatic and antimitogenic agents chlamydocin and HC-toxin: synthesis and biological activity of chloromethyl ketone and diazomethyl ketone functionalized cyclic tetrapeptides 10.1021/jm00384a013.

J Med Chem

Analogues of the cytostatic and antimitogenic agents chlamydocin and HC-toxin: synthesis and biological activity of chloromethyl ketone and diazomethyl ketone functionalized cyclic tetrapeptides

Abstract

  • The synthesis and biological activity of four novel analogues of the cytostatic and antimitogenic agents chlamydocin and HC-toxin are reported in which the natural products' reactive epoxy ketone side-chain moiety is replaced by a chloromethyl or a diazomethyl ketone functionality, but the respective 12-membered cyclic tetrapeptide ring systems are retained. Syntheses of the linear tetrapeptide sequences were, in each case, achieved by conventional methodology and designed such that cyclization would be onto proline. The use of suitably protected L-2-aminosuberic acid (Asu) enabled the ready assimilation of the desired chloromethyl and diazomethyl ketone functionalities after cyclization. Cyclization was accomplished by using bis(2-oxo-3-oxazolidinyl)phosphinic chloride (BOP-Cl). Yields of cyclic product were comparable to or, in the case of the HC-toxin ring system, better than those previously reported. Liberation of the Asu-side-chain acid and manipulation to the required functionalities via mixed anhydride to the diazomethyl ketone and quenching with HCl to yield the chloromethyl ketone was achieved in excellent yield for the HC-toxin analogues but in only moderate yield for the chlamydocin analogue. The antimitogenic activities of HC-toxin chloromethyl ketone (IC50 = 30-40 ng/mL) and chlamydocin chloromethyl ketone (IC50 = 3-10 ng/mL) were found to be 3-4-fold lower than those of the natural products themselves. The diazomethyl ketone analogue of HC-toxin was found to be inactive (IC50 greater than 2000 ng/mL). A modification of the HC-toxin peptide ring system, L-Phe3-HC-toxin chloromethyl ketone was found not to be a more active analogue (IC50 = 40-100 ng/mL). The nature of the putative target molecule, the binding interactions of the various analogues and the contribution of rate of inhibition toward activity are briefly discussed. The chloromethyl ketones herein reported constitute the most potent synthetic antimitogenic cyclic tetrapeptide analogues yet designed."

3918884

Reciprocal biological activities of the cyclic tetrapeptides chlamydocin and HC-toxin 10.1007/BF02004498.

Experientia

Reciprocal biological activities of the cyclic tetrapeptides chlamydocin and HC-toxin

Abstract

  • Chlamydocin, a potent cytostatic agent against cultured mammalian cells, and HC-toxin, a host-specific phytotoxin, are cyclic tetrapeptides containing the same epoxide alpha-amino acid. We show here that these compounds have reciprocal biological activity; HC-toxin is cytostatic against cultured mastocytoma cells, and chlamydocin has host-specific toxin activity against maize. Chlamydocin and another related cyclic peptide, Cyl-2, are less host-specific than HC-toxin because maize tolerant to HC-toxin is more sensitive to chlamydocin and Cyl-2.

4857466

Isolation and structural clarification of chlamydocin 10.1002/hlca.19740570306.

Helv Chim Acta

Isolation and structural clarification of chlamydocin

Abstract

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