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2D Structure
Also known as: Dtxsid201336482, 2014384-91-7
Molecular Formula
C54H83N15O21S2
Molecular Weight
1342.5  g/mol
InChI Key
JLOOQDWHNKOITN-DAHMAOPXSA-N

Nangibotide is a synthetic and inhibitory triggering receptor expressed on myeloid cells-1 (TREM-1) peptide, with potential anti-inflammatory and immunomodulatory activities. Upon administration, nangibotide binds to TREM-1 ligand and inhibits the binding of the TREM-1 ligand to TREM-1. This blocks the TREM-1-mediated amplification of innate immunity signaling, and prevents the production of pro-inflammatory mediators and inflammation. TREM-1, an immune-receptor expressed in neutrophils, mature monocytes, macrophages, natural killer (NK) cells and endothelial cells, is up-regulated following Toll-Like Receptors (TLR) or NOD-like receptors (NLR) signaling. It plays a key role in the amplification of inflammatory and innate immune responses.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(4S)-4-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-5-amino-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-5-oxopentanoyl]amino]-5-oxopentanoyl]amino]-4-carboxybutanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]acetyl]amino]-5-[[(2S)-1-[[2-[[(2R)-1-[[(2S)-1-amino-4-methylsulfanyl-1-oxobutan-2-yl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-2-oxoethyl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-5-oxopentanoic acid
2.1.2 InChI
InChI=1S/C54H83N15O21S2/c1-25(2)19-29(55)47(83)65-32(9-13-38(56)71)50(86)66-33(10-14-39(57)72)51(87)67-34(12-16-43(77)78)52(88)69-36(21-44(79)80)53(89)61-26(3)46(82)59-22-40(73)62-31(11-15-42(75)76)49(85)68-35(20-27-5-7-28(70)8-6-27)48(84)60-23-41(74)63-37(24-91)54(90)64-30(45(58)81)17-18-92-4/h5-8,25-26,29-37,70,91H,9-24,55H2,1-4H3,(H2,56,71)(H2,57,72)(H2,58,81)(H,59,82)(H,60,84)(H,61,89)(H,62,73)(H,63,74)(H,64,90)(H,65,83)(H,66,86)(H,67,87)(H,68,85)(H,69,88)(H,75,76)(H,77,78)(H,79,80)/t26-,29-,30-,31-,32-,33-,34-,35-,36-,37-/m0/s1
2.1.3 InChI Key
JLOOQDWHNKOITN-DAHMAOPXSA-N
2.1.4 Canonical SMILES
CC(C)CC(C(=O)NC(CCC(=O)N)C(=O)NC(CCC(=O)N)C(=O)NC(CCC(=O)O)C(=O)NC(CC(=O)O)C(=O)NC(C)C(=O)NCC(=O)NC(CCC(=O)O)C(=O)NC(CC1=CC=C(C=C1)O)C(=O)NCC(=O)NC(CS)C(=O)NC(CCSC)C(=O)N)N
2.1.5 Isomeric SMILES
C[C@@H](C(=O)NCC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)NCC(=O)N[C@@H](CS)C(=O)N[C@@H](CCSC)C(=O)N)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CC(C)C)N
2.2 Synonyms
2.2.1 MeSH Synonyms

1. Lissamine-rhodamine Dodecanoic Acid

2. Lr-12

3. Motrem

2.2.2 Depositor-Supplied Synonyms

1. Dtxsid201336482

2. 2014384-91-7

2.3 Create Date
2022-10-11
3 Chemical and Physical Properties
Molecular Weight 1342.5 g/mol
Molecular Formula C54H83N15O21S2
XLogP3-8.3
Hydrogen Bond Donor Count20
Hydrogen Bond Acceptor Count24
Rotatable Bond Count45
Exact Mass g/mol
Monoisotopic Mass g/mol
Topological Polar Surface Area634
Heavy Atom Count92
Formal Charge0
Complexity2630
Isotope Atom Count0
Defined Atom Stereocenter Count10
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Anti-Inflammatory Agents

Substances that reduce or suppress INFLAMMATION. (See all compounds classified as Anti-Inflammatory Agents.)


4.2 Mechanism of Action

Nangibotide targets the immunoreceptor TREM-1 (triggering receptor expressed on myeloid cells-1), and has been explored in treating inflammatory disorders like septic schock. Safety and pharmacokinetics studies have shown Nangibotide to be safe and well-tolerated in humans, while animal septic shock models have shown its ability to restore vascular function and improve survival. As of July 2020, Inotrem is recuriting patients to study Nangibotide's effects on patients with COVID-19 and systemic inflammation (NCT04429334).