Linaclotide acetateProduct ingredient forLinaclotide

Name
Linaclotide acetate
Drug Entry
Linaclotide

Linaclotide is an orally administered, peptide agonist of guanylate cyclase 2C for the treatment of irritable bowel syndrome. Chemically, it is a heterodetic cyclic peptide and consists of fourteen amino acids. The protein sequence is as follows: Cys Cys Glu Tyr Cys Cys Asn Pro Ala Cys Thr Gly Cys Tyr. There are three disulfide bonds which are located between Cys1 and Cys6; between Cys2 and Cys10; and between Cys5 and Cys13. FDA approved on August 30, 2012.

Accession Number
DBSALT000108
Structure
Synonyms
Not Available
External IDs
MM-416775
UNII
NSF067KU1M
CAS Number
851199-60-5
Weight
Average: 1586.788
Monoisotopic: 1585.411048177
Chemical Formula
C61H83N15O23S6
InChI Key
KWFNVZFWXXEJKL-YZDVLOIKSA-N
InChI
InChI=1S/C59H79N15O21S6.C2H4O2/c1-26-47(82)69-41-25-101-99-22-38-52(87)65-33(13-14-45(80)81)49(84)66-34(16-28-5-9-30(76)10-6-28)50(85)71-40(54(89)72-39(23-97-96-20-32(60)48(83)70-38)53(88)67-35(18-43(61)78)58(93)74-15-3-4-42(74)56(91)63-26)24-100-98-21-37(64-44(79)19-62-57(92)46(27(2)75)73-55(41)90)51(86)68-36(59(94)95)17-29-7-11-31(77)12-8-29;1-2(3)4/h5-12,26-27,32-42,46,75-77H,3-4,13-25,60H2,1-2H3,(H2,61,78)(H,62,92)(H,63,91)(H,64,79)(H,65,87)(H,66,84)(H,67,88)(H,68,86)(H,69,82)(H,70,83)(H,71,85)(H,72,89)(H,73,90)(H,80,81)(H,94,95);1H3,(H,3,4)/t26-,27+,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,46-;/m0./s1
IUPAC Name
(2S)-2-{[(1R,4S,7S,13S,16R,21R,24R,27S,30S,33R,38R,44S)-21-amino-13-(carbamoylmethyl)-27-(2-carboxyethyl)-44-[(1R)-1-hydroxyethyl]-30-[(4-hydroxyphenyl)methyl]-4-methyl-3,6,12,15,22,25,28,31,40,43,46,51-dodecaoxo-18,19,35,36,48,49-hexathia-2,5,11,14,23,26,29,32,39,42,45,52-dodecaazatetracyclo[22.22.4.2^{16,33}.0^{7,11}]dopentacontan-38-yl]formamido}-3-(4-hydroxyphenyl)propanoic acid; acetic acid
SMILES
CC(O)=O.[H][C@]1(CSSC[C@]2([H])NC(=O)[C@H](CC3=CC=C(O)C=C3)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](C)NC(=O)[C@@H]4CCCN4C(=O)[C@H](CC(N)=O)NC(=O)[C@H](CSSC[C@H](N)C(=O)N3)NC2=O)C(=O)N[C@@]([H])([C@@H](C)O)C(=O)NCC(=O)N1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O
PubChem Compound
16158207
ChemSpider
17314503
ChEMBL
CHEMBL3301676
Predicted Properties
Property Value Source
Water Solubility 0.701 mg/mL ALOGPS
logP -1.5 ALOGPS
logP -11 Chemaxon
logS -3.3 ALOGPS
pKa (Strongest Acidic) 3.06 Chemaxon
pKa (Strongest Basic) 7.65 Chemaxon
Physiological Charge -1 Chemaxon
Hydrogen Acceptor Count 22 Chemaxon
Hydrogen Donor Count 19 Chemaxon
Polar Surface Area 573.91 Å2 Chemaxon
Rotatable Bond Count 13 Chemaxon
Refractivity 368 m3·mol-1 Chemaxon
Polarizability 145.88 Å3 Chemaxon
Number of Rings 6 Chemaxon
Bioavailability 0 Chemaxon
Rule of Five No Chemaxon
Ghose Filter No Chemaxon
Veber's Rule No Chemaxon
MDDR-like Rule Yes Chemaxon