Phakellistatin 2

General Information


DRACP ID  DRACP02927

Peptide Name   Phakellistatin 2

Sequence  IxPYPFP

Sequence Length  7

UniProt ID  Not available

PubChem CID  101663073 

Origin  Stylotella aurantium

Type  Native peptide

Classification

  

Active ACP



Activity Information


Cell Line Disease Cancer Classified Activity Assay Testing Time Literature
A2780 Ovarian endometrioid adenocarcinoma; Endometrioid carcinoma of ovary Carcinoma IC50=28.27 µg/ml (DMSO); IC50=2.72 µg/ml (MeOH) SRB assay Not available 1
A549 Lung adenocarcinoma Carcinoma IC50=0.66 µM SRB assay Not available 2
HCT 116 Colon carcinoma Carcinoma IC50=0.71 µM SRB assay Not available 2
K562 Blast phase chronic myelogenous leukemia, BCR-ABL1 positive; Chronic myeloid leukemia Leukemia IC50=3.2 µM SRB assay Not available 2
MDA-MB-231 Breast adenocarcinoma Carcinoma IC50=1.3 µM SRB assay Not available 2
SK-HEP-1 Liver and intrahepatic bile duct epithelial neoplasm Carcinoma IC50=0.77 µM SRB assay Not available 2
SNU-638 Gastric adenocarcinoma Carcinoma IC50=1.6 µM SRB assay Not available 2

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available

Nature  Anticancer



Structure Information


PDB ID  Not available

Predicted Structure  Not available

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  NCB: Ile1<--->Pro7

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  x=D-Allo-Ile

Chiral  Mix



Physicochemical Information


Formula  C39H50N6O7

Absent amino acids  ACDEGHKLMNQRSTVW

Common amino acids  P

Mass  82205

Pl  6.09

Basic residues  0

Acidic residues  0

Hydrophobic residues  2

Net charge  0

Boman Index  776

Hydrophobicity  17.14

Aliphatic Index  55.71

Half Life 
  /

Extinction Coefficient cystines  1490

Absorbance 280nm  248.33

Polar residues  1

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 12444643

Title  Two distinct conformers of the cyclic heptapeptide phakellistatin 2 isolated from the fijian marine sponge stylotellaaurantium

Doi 10.1021/jo020482s

Year  2002

Literature 2

Pubmed ID 29893558

Title  Cyclopeptides from the Sponge Stylissa flabelliformis

Doi 10.1021/acs.jnatprod.8b00121

Year  2018

Patent

Patent ID Not available

Patent Title  Not available

Other Iinformation  Not available

Other Published ID  Not available




DBAASP ID  DBAASPN_18423

DRACP is developed by Dr.Zheng's team.