General Information
DRAVP ID DRAVPe01560
Peptide Name Retrocyclin-2 (RC2; HTD-2)
Sequence GICRCICGRRICRCICGR
Sequence Length 18
UniProt ID No entry found
Source Synthetic construct
Other Link DRAVPa0166
Activity Information
Target Organism HIV
Assay
Activity
Hemolytic Activity No hemolysis information or data found in the reference(s) presented in this entry
Cytotoxicity No cytotoxicity information found in the reference(s) presented
Binding Target gp120,CD4
Mechanism The peptide binds to gp120 and CD4, thereby inhibiting HIV entry.
Structure Information
PDB ID 2LZI
Predicted Structure Download DRAVPe01560
Linear/Cyclic Cyclic
N-terminal Modification Free
C-terminal Modification Free
Other Modification Disulfide bonds between Cys3 and Cys16,Cys5 and Cys14,Cys7 and Cys12.
Stereochemistry L
Physicochemical Information
Formula C78H145N33O19S6
Absent amino acids ADEFHKLMNPQSTVWY
Common amino acids C
Mass 2041.58
Pl 9.3
Basic residues 5
Acidic residues 0
Hydrophobic residues 4
Net charge 5
Boman Index -4442
Hydrophobicity 51.67
Aliphatic Index 86.67
Half Life
Extinction Coefficient cystines 375
Absorbance 280nm 22.06
Polar residues 9
Literature Information
Literature 1
Title Activity of alpha- and theta-defensins against primary isolates of HIV-1.
Pubmed ID 15210812
Reference J Immunol. 2004 Jul 1;173(1):515-20.
Author Wang W, Owen SM, Rudolph DL, Cole AM, Hong T, Waring AJ, Lal RB, Lehrer RI.