General Information of the Compound
Compound ID
CP0091326
Compound Name
(3S,6S,9R,12S,15S,23S)-15-((S)-2-acetylamino-hexanoylamino)-9-benzyl-6-(3-guanidino-propyl)-12-(3H-imidazol-4-ylmethyl)-3-(1H-indol-3-ylmethyl)-2,5,8,11,14,17-hexaoxo-1,4,7,10,13,18hexaaza-cyclotricosane-23-carboxylic acid amide
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Synonyms
melanotan II
(3S,6S,9R,12S,15S,23S)-12-((1H-imidazol-5-yl)methyl)-3-((1H-indol-3-yl)methyl)-15-((S)-2-acetamidohexanamido)-9-benzyl-6-(3-guanidinopropyl)-2,5,8,11,14,17-hexaoxo-1,4,7,10,13,18-hexaazacyclotricosane-23-carboxamide
121062-08-6
Ac-Nle-c[Asp-His-DPhe-Arg-Trp-Lys]-NH2
Asp5
C50H69N15O9
CHEMBL430239
D-Phe7
L-Lysinamide, N-acetyl-L-norleucyl-L-alpha-aspartyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-, cyclic (2-7)-peptide
MT-II
MTII
MTII Melanotan-II
Melanotan (MT)-II
Melanotan -Ii
Melanotan II
Melanotan II acetate
Melanotan II acetate salt
Melanotan-II
Melatonan
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Structure
Formula
C50H69N15O9
Molecular Weight
1024.198
Canonical SMILES
CCCC[C@H](NC(C)=O)C(=O)N[C@H]1CC(=O)NCCCC[C@H](NC(=O)[C@H](Cc2c[nH]c3ccccc23)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@@H](Cc2ccccc2)NC(=O)[C@H](Cc2cnc[nH]2)NC1=O)C(N)=O
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InChI
InChI=1S/C50H69N15O9/c1-3-4-16-36(59-29(2)66)44(69)65-41-25-42(67)55-20-11-10-18-35(43(51)68)60-47(72)39(23-31-26-57-34-17-9-8-15-33(31)34)63-45(70)37(19-12-21-56-50(52)53)61-46(71)38(22-30-13-6-5-7-14-30)62-48(73)40(64-49(41)74)24-32-27-54-28-58-32/h5-9,13-15,17,26-28,35-41,57H,3-4,10-12,16,18-25H2,1-2H3,(H2,51,68)(H,54,58)(H,55,67)(H,59,66)(H,60,72)(H,61,71)(H,62,73)(H,63,70)(H,64,74)(H,65,69)(H4,52,53,56)/t35-,36-,37-,38+,39-,40-,41-/m0/s1
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InChIKey
JDKLPDJLXHXHNV-MFVUMRCOSA-N
CAS
121062-08-6
Physicochemical Property
logP
-1.2483
Rotatable Bonds
17
Heavy Atom Count
74
Polar Areas
384.76
Hydrogen Bond Donor Count
13
Hydrogen Bond Acceptor Count
11
Complexity
74

"RO5" indicates the cutoff set by lipinski's rule of five:

(1) Molecular weight less than 500 Dalton;

(2) xlogp less than 5;

(3) No more than 5 hbonddonor (Hydrogen Bond Donor Count);

(4) No more than 10 hbondacc (Hydrogen Bond Acceptor Count);

(5) No more than 10 rotbonds (Rotatable Bond Count).

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Click to Show/Hide the External Link(s) of This Compound
PubChem ID
CID: 92432
SID: 16659180
ChEMBL ID
CHEMBL430239
Map of Molecular Bioactivity Related to the Compound
Map of Molecular Bioactivity Related to the Compound

Compound
Cell Line
Protein

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Compound
Protein ID: PT01325, Melanocortin receptor 3
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000058 T-REx-293 Homo sapiens (Human)  1
1
EC50 = 0.06166 nM
   TI
   LI
   LO
   TS
CL000154 HEK293-EBNA1-6E Homo sapiens (Human)  1
1
EC50 = 0.06166 nM
   TI
   LI
   LO
   TS
CL000006 HEK293 Homo sapiens (Human)  16
1
EC50 = 0.2042 nM
   TI
   LI
   LO
   TS
2
EC50 = 1.5 nM
   TI
   LI
   LO
   TS
3
EC50 = 1.8 nM
   TI
   LI
   LO
   TS
4
EC50 = 1.85 nM
   TI
   LI
   LO
   TS
5
EC50 = 1.9 nM
   TI
   LI
   LO
   TS
6
EC50 = 2.4 nM
   TI
   LI
   LO
   TS
7
EC50 = 3.1 nM
   TI
   LI
   LO
   TS
8
EC50 = 5.1 nM
   TI
   LI
   LO
   TS
9
EC50 = 33.9 nM
   TI
   LI
   LO
   TS
10
IC50 = 1.2 nM
   TI
   LI
   LO
   TS
11
IC50 = 1.25 nM
   TI
   LI
   LO
   TS
12
IC50 = 1.3 nM
   TI
   LI
   LO
   TS
13
IC50 = 1.9 nM
   TI
   LI
   LO
   TS
14
IC50 = 2 nM
   TI
   LI
   LO
   TS
15
IC50 = 9.8 nM
   TI
   LI
   LO
   TS
16
Ki = 16.98 nM
   TI
   LI
   LO
   TS
CL000309 NCTC clone 929 Mus musculus (Mouse)  1
1
EC50 = 0.24 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.27 nM
2 IC50 = 8.56 nM
Protein ID: PT02450, Melanocortin receptor 3
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  4
1
EC50 = 0.16 nM
   TI
   LI
   LO
   TS
2
EC50 = 0.17 nM
   TI
   LI
   LO
   TS
3
EC50 = 0.18 nM
   TI
   LI
   LO
   TS
4
EC50 = 0.35 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.13 nM
Protein ID: PT00914, Melanocortin receptor 4
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  17
1
EC50 < 0.03162 nM
   TI
   LI
   LO
   TS
2
EC50 = 0.3467 nM
   TI
   LI
   LO
   TS
3
EC50 = 2 nM
   TI
   LI
   LO
   TS
4
EC50 = 2.1 nM
   TI
   LI
   LO
   TS
5
EC50 = 2.3 nM
   TI
   LI
   LO
   TS
6
EC50 = 2.8 nM
   TI
   LI
   LO
   TS
7
EC50 = 2.87 nM
   TI
   LI
   LO
   TS
8
EC50 = 2.9 nM
   TI
   LI
   LO
   TS
9
EC50 = 3.1 nM
   TI
   LI
   LO
   TS
10
EC50 = 5.6 nM
   TI
   LI
   LO
   TS
11
EC50 = 8.6 nM
   TI
   LI
   LO
   TS
12
IC50 = 1.07 nM
   TI
   LI
   LO
   TS
13
IC50 = 1.1 nM
   TI
   LI
   LO
   TS
14
IC50 = 1.8 nM
   TI
   LI
   LO
   TS
15
IC50 = 2.3 nM
   TI
   LI
   LO
   TS
16
IC50 = 7.4 nM
   TI
   LI
   LO
   TS
17
Ki = 1.259 nM
   TI
   LI
   LO
   TS
CL000309 NCTC clone 929 Mus musculus (Mouse)  1
1
EC50 = 0.04 nM
   TI
   LI
   LO
   TS
CL000058 T-REx-293 Homo sapiens (Human)  1
1
EC50 = 0.1202 nM
   TI
   LI
   LO
   TS
CL000154 HEK293-EBNA1-6E Homo sapiens (Human)  1
1
EC50 = 0.1202 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.057 nM
2 IC50 = 0.72 nM
3 IC50 = 2 nM
Protein ID: PT01431, Melanocortin receptor 4
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  4
1
EC50 = 0.04 nM
   TI
   LI
   LO
   TS
2
EC50 = 0.05 nM
   TI
   LI
   LO
   TS
3
EC50 = 0.06 nM
   TI
   LI
   LO
   TS
4
EC50 = 0.087 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.053 nM
Protein ID: PT01528, Melanocortin receptor 5
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  4
1
EC50 = 0.16 nM
   TI
   LI
   LO
   TS
2
EC50 = 0.18 nM
   TI
   LI
   LO
   TS
3
EC50 = 0.19 nM
   TI
   LI
   LO
   TS
4
EC50 = 0.57 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.068 nM
Protein ID: PT01804, Melanocortin receptor 5
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000309 NCTC clone 929 Mus musculus (Mouse)  1
1
EC50 = 1.48 nM
   TI
   LI
   LO
   TS
CL000006 HEK293 Homo sapiens (Human)  13
1
EC50 = 1.7 nM
   TI
   LI
   LO
   TS
2
EC50 = 3.3 nM
   TI
   LI
   LO
   TS
3
EC50 = 5.7 nM
   TI
   LI
   LO
   TS
4
EC50 = 6 nM
   TI
   LI
   LO
   TS
5
EC50 = 8 nM
   TI
   LI
   LO
   TS
6
EC50 = 33.9 nM
   TI
   LI
   LO
   TS
7
IC50 = 1.5 nM
   TI
   LI
   LO
   TS
8
IC50 = 4 nM
   TI
   LI
   LO
   TS
9
IC50 = 4.2 nM
   TI
   LI
   LO
   TS
10
IC50 = 7 nM
   TI
   LI
   LO
   TS
11
IC50 = 7.47 nM
   TI
   LI
   LO
   TS
12
IC50 = 7.5 nM
   TI
   LI
   LO
   TS
13
IC50 = 23.44 nM
   TI
   LI
   LO
   TS
CL000154 HEK293-EBNA1-6E Homo sapiens (Human)  1
1
IC50 = 26.92 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 IC50 = 43.6 nM
Protein ID: PT01440, Melanocyte-stimulating hormone receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  4
1
EC50 = 0.02 nM
   TI
   LI
   LO
   TS
2
EC50 = 0.021 nM
   TI
   LI
   LO
   TS
3
EC50 = 0.03 nM
   TI
   LI
   LO
   TS
4
EC50 = 0.22 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.022 nM
Protein ID: PT00911, Melanocyte-stimulating hormone receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  12
1
EC50 < 0.03162 nM
   TI
   LI
   LO
   TS
2
EC50 = 0.3 nM
   TI
   LI
   LO
   TS
3
EC50 = 1 nM
   TI
   LI
   LO
   TS
4
EC50 = 1.02 nM
   TI
   LI
   LO
   TS
5
EC50 = 1.8 nM
   TI
   LI
   LO
   TS
6
EC50 = 4.4 nM
   TI
   LI
   LO
   TS
7
IC50 = 0.1 nM
   TI
   LI
   LO
   TS
8
IC50 = 0.2 nM
   TI
   LI
   LO
   TS
9
IC50 = 1 nM
   TI
   LI
   LO
   TS
10
IC50 = 1.2 nM
   TI
   LI
   LO
   TS
11
IC50 = 1.9 nM
   TI
   LI
   LO
   TS
12
Ki = 0.1122 nM
   TI
   LI
   LO
   TS
CL000154 HEK293-EBNA1-6E Homo sapiens (Human)  1
1
EC50 < 0.03162 nM
   TI
   LI
   LO
   TS
CL000058 T-REx-293 Homo sapiens (Human)  1
1
EC50 < 0.05012 nM
   TI
   LI
   LO
   TS
CL000309 NCTC clone 929 Mus musculus (Mouse)  1
1
EC50 = 0.19 nM
   TI
   LI
   LO
   TS
CL000045 A-375 Homo sapiens (Human)  2
1
EC50 = 110 nM
   TI
   LI
   LO
   TS
2
IC50 = 6.7 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 = 0.1 nM
2 IC50 = 0.25 nM
3 IC50 = 1 nM
Clinical Information about the Compound
Drug 1 ( MT-II )
Drug Name MT-II
Indication
Female sexual arousal dysfunction
Investigative
Target(s)
Melanocortin receptor 5 (MC5R)
Agonist
Melanocortin receptor 4 (MC4R)
Agonist
Melanocortin receptor 1 (MC1R)
Agonist
Melanocortin receptor 3 (MC3R)
Agonist