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Record Information
Version1.0
Created at2020-12-09 00:52:42 UTC
Updated at2021-07-15 16:47:08 UTC
NP-MRD IDNP0003698
Secondary Accession NumbersNone
Natural Product Identification
Common NameSomamide B
Provided ByNPAtlasNPAtlas Logo
Description Somamide B is found in Lyngbya majuscula and Lyngbya majuscula x Schizothrix sp.. It was first documented in 2001 (PMID: 11421730). Based on a literature review very few articles have been published on (2S)-N-[(2S,5S,8S,11R,12S,15Z,18S,21R)-2-benzyl-15-ethylidene-6,13,16,21-tetrahydroxy-5-[(4-hydroxyphenyl)methyl]-4,11-dimethyl-3,9,22-trioxo-8-(propan-2-yl)-10-oxa-1,4,7,14,17-pentaazabicyclo[16.3.1]Docosa-6,13,16-trien-12-yl]-2-[(1-hydroxybutylidene)amino]pentanediimidic acid.
Structure
Thumb
Synonyms
ValueSource
(2S)-N-[(2S,5S,8S,11R,12S,15Z,18S,21R)-2-Benzyl-15-ethylidene-6,13,16,21-tetrahydroxy-5-[(4-hydroxyphenyl)methyl]-4,11-dimethyl-3,9,22-trioxo-8-(propan-2-yl)-10-oxa-1,4,7,14,17-pentaazabicyclo[16.3.1]docosa-6,13,16-trien-12-yl]-2-[(1-hydroxybutylidene)amino]pentanediimidateGenerator
Chemical FormulaC46H62N8O12
Average Mass919.0460 Da
Monoisotopic Mass918.44872 Da
IUPAC Name(2S)-N-[(2S,5S,8S,11R,15Z,18S,21R)-2-benzyl-15-ethylidene-21-hydroxy-5-[(4-hydroxyphenyl)methyl]-4,11-dimethyl-3,6,9,13,16,22-hexaoxo-8-(propan-2-yl)-10-oxa-1,4,7,14,17-pentaazabicyclo[16.3.1]docosan-12-yl]-2-butanamidopentanediamide
Traditional Name(2S)-N-[(2S,5S,8S,11R,15Z,18S,21R)-2-benzyl-15-ethylidene-21-hydroxy-5-[(4-hydroxyphenyl)methyl]-8-isopropyl-4,11-dimethyl-3,6,9,13,16,22-hexaoxo-10-oxa-1,4,7,14,17-pentaazabicyclo[16.3.1]docosan-12-yl]-2-butanamidopentanediamide
CAS Registry NumberNot Available
SMILES
CCCC(=O)N[C@@H](CCC(N)=O)C(=O)N[C@H]1[C@@H](C)OC(=O)[C@@H](NC(=O)[C@H](CC2=CC=C(O)C=C2)N(C)C(=O)[C@H](CC2=CC=CC=C2)N2[C@H](O)CC[C@H](NC(=O)\C(NC1=O)=C\C)C2=O)C(C)C
InChI Identifier
InChI=1S/C46H62N8O12/c1-7-12-36(57)48-31(19-21-35(47)56)41(60)52-39-26(5)66-46(65)38(25(3)4)51-42(61)33(23-28-15-17-29(55)18-16-28)53(6)45(64)34(24-27-13-10-9-11-14-27)54-37(58)22-20-32(44(54)63)50-40(59)30(8-2)49-43(39)62/h8-11,13-18,25-26,31-34,37-39,55,58H,7,12,19-24H2,1-6H3,(H2,47,56)(H,48,57)(H,49,62)(H,50,59)(H,51,61)(H,52,60)/b30-8-/t26-,31+,32+,33+,34+,37-,38+,39+/m1/s1
InChI KeyQNGONASSDVVIFN-UAMDCIPZSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Lyngbya majusculaNPAtlas
Lyngbya majuscula x Schizothrix sp.-
Chemical Taxonomy
ClassificationNot classified
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP2.03ALOGPS
logP0.18ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)9.5ChemAxon
pKa (Strongest Basic)-3.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count11ChemAxon
Hydrogen Donor Count8ChemAxon
Polar Surface Area295.97 ŲChemAxon
Rotatable Bond Count13ChemAxon
Refractivity238.07 m³·mol⁻¹ChemAxon
Polarizability94.69 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
NPAtlas IDNPA001551
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID23310529
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound23657292
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Nogle LM, Williamson RT, Gerwick WH: Somamides A and B, two new depsipeptide analogues of dolastatin 13 from a Fijian cyanobacterial assemblage of Lyngbya majuscula and Schizothrix species. J Nat Prod. 2001 Jun;64(6):716-9. doi: 10.1021/np000634j. [PubMed:11421730 ]