Gombamide A, a cyclic thiopeptide from the sponge Clathria gombawuiensis.
- Jung-Kyun Woo, Ju-eun Jeon, Jongheon Shin
- ChemistryJournal of Natural Products
- 25 June 2013
The new peptide, gombamide A, was isolated from the marine sponge Clathria gombawuiensis and exhibited weak cytotoxicity against A549 and K562 cell lines as well as moderate inhibitory activity against Na(+)/K(+)-ATPase.
Meroterpenoids from a Tropical Dysidea sp. Sponge.
- Chang-Kwon Kim, Jung-Kyun Woo, Jongheon Shin
- ChemistryJournal of Natural Products
- 9 November 2015
Six new meroterpenoids (1-6), along with arenarol (7), a known rearranged drimane sesquiterpene hydroquinone, were isolated from a Dysidea sp. sponge collected from the Federated States of…
Gombaspiroketals A-C, sesterterpenes from the sponge Clathria gombawuiensis.
- Jung-Kyun Woo, Chang-Kwon Kim, Jongheon Shin
- ChemistryOrganic Letters
- 13 May 2014
Gombaspiroketals A-C (1-3), tetracyclic sesterterpenes of a novel skeletal class, were isolated from the Korean marine sponge Clathria gombawuiensis and exhibited moderate cytotoxicities and antibacterial activities.
nonG, a constituent of the nonactin biosynthetic gene cluster, regulates nocardamine synthesis in Streptomyces albus J1074.
- Wanki Park, Jung-Kyun Woo, Jongheon Shin, K. Oh
- BiologyBiochemical and Biophysical Research…
- 26 August 2017
Additional sesterterpenes and a nortriterpene saponin from the sponge Clathria gombawuiensis.
- Jung-Kyun Woo, Chang-Kwon Kim, Chan-Hong Ahn, D. Oh, K. Oh, Jongheon Shin
- ChemistryJournal of Natural Products
- 29 January 2015
Three new terpene metabolites were isolated from the marine sponge Clathria gombawuiensis collected from Korean waters and exhibited moderate cytotoxicity against A549 and K562 cell lines, and compound 3 showed antibacterial activity.
Callyazepin and (3R)-Methylazacyclodecane, Nitrogenous Macrocycles from a Callyspongia sp. Sponge.
- Chang-Kwon Kim, Jung-Kyun Woo, Jongheon Shin
- ChemistryJournal of Natural Products
- 25 March 2016
Callyazepin (1) and (3R)-methylazacyclodecane (2), nitrogenous macrocycles, were isolated from a tropical Callyspongia sp. sponge. The combined spectroscopic analyses revealed that the structure of 1…
Polyoxygenated Steroids from the Sponge Clathria gombawuiensis.
- Jung-Kyun Woo, T. Ha, D. Oh, W. Oh, K. Oh, Jongheon Shin
- ChemistryJournal of Natural Products
- 28 November 2017
Six new polyoxygenated steroids (1-6) along with clathriol (7) were isolated from the Korean marine sponge Clathria gombawuiensis. Based upon the results of combined spectroscopic analyses, the…
Dictyoneolone, a B/C ring juncture-defused steroid from a Dictyonella sp. sponge
- Jung-Kyun Woo, Jung‐Ho Yun, Jongheon Shin
- Chemistry
- 23 May 2018
A New Sesterterpene from the Korean Sarcotragus sp. Sponge
- Jung-Kyun Woo, Ju-eun Jeon, Jongheon Shin
- Chemistry, Biology
- 1 December 2015
The structure of this compound was determined to be a linear norsesterterpene containing a leucine-derived γ-lactam moiety and exhibited moderate cytotoxicity against K562 and A549 cell-lines.
Gombaspiroketals A—C, Sesterterpenes from the Sponge Clathria gombawuiensis.
- Jung-Kyun Woo, Chang-Kwon Kim, Jongheon Shin
- Chemistry
- 9 December 2014
Gombaspiroketals A (Ib), B (II), and C (Ia) are isolated as a new skeletal class of tetracyclic sesterterpenes from the marine title sponge.