General Information


DRAVP ID  DRAVPe01561

Peptide Name   RC-101

Sequence  GICRCICGKGICRCICGR

Sequence Length  18

UniProt ID  No entry found

Source  Synthetic construct

Other Link  DRAVPa0040



Activity Information


Target Organism  HIV

Assay 

Activity 

  • [Ref.15588337]HIV-1 92US714:inhibition of virus replication in JC53-BL cells(IC50=2.3 µg/ml);
  • HIV-1 93US151:inhibition of virus replication in JC53-BL cells(IC50=0.5 µg/ml);
  • HIV-1 92HT593:inhibition of virus replication in JC53-BL cells(IC50=0.8 µg/ml);
  • HIV-1 92US727:inhibition of virus replication in JC53-BL cells(IC50=1.7 µg/ml);
  • HIV-1 5148-1382:inhibition of virus replication in JC53-BL cells(IC50=4.1 µg/ml);
  • HIV-1 5157-1326:inhibition of virus replication in JC53-BL cells(IC50=3.6 µg/ml);
  • HIV-1 5157-35097:inhibition of virus replication in JC53-BL cells(IC50=4.0 µg/ml);
  • HIV-1 193317:inhibition of virus replication in JC53-BL cells(IC50=2.7 µg/ml);
  • HIV-1 196554:inhibition of virus replication in JC53-BL cells(IC50=0.5 µg/ml);
  • HIV-1 196531:inhibition of virus replication in JC53-BL cells(IC50=2.7 µg/ml);
  • HIV-1 92UG037:inhibition of virus replication in JC53-BL cells(IC50=0.9 µg/ml);
  • HIV-1 192431:inhibition of virus replication in JC53-BL cells(IC50=0.5 µg/ml);
  • HIV-1 193358:inhibition of virus replication in JC53-BL cells(IC50=2.8 µg/ml);
  • HIV-1 98CN009:inhibition of virus replication in JC53-BL cells(IC50=8.5 µg/ml);
  • HIV-1 98TZ017:inhibition of virus replication in JC53-BL cells(IC50=4.9 µg/ml);
  • HIV-1 93UG053:inhibition of virus replication in JC53-BL cells(IC50=1.5 µg/ml);
  • HIV-1 92UG005:inhibition of virus replication in JC53-BL cells(IC50=1.0 µg/ml);
  • HIV-1 HM14:inhibition of virus replication in JC53-BL cells(IC50=0.8 µg/ml);
  • HIV-1 93TH060:inhibition of virus replication in JC53-BL cells(IC50=2.2 µg/ml);
  • HIV-1 HM16:inhibition of virus replication in JC53-BL cells(IC50=0.6µg/ml);
  • HIV-1 92BR023:inhibition of virus replication in JC53-BL cells(IC50=3.0 µg/ml);
  • HIV-1 92RW009:inhibition of virus replication in JC53-BL cells(IC50=2.7 µg/ml);
  • HIV-1 92RW024:inhibition of virus replication in JC53-BL cells(IC50=2.9 µg/ml);
  • HIV-1 93UG059:inhibition of virus replication in JC53-BL cells(IC50=).

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  None

Predicted Structure Download  DRAVPe01561

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  C74H136N28O19S6

Absent amino acids  ADEFHLMNPQSTVWY

Common amino acids  C

Mass  1914.43

Pl  8.98

Basic residues  4

Acidic residues  0

Hydrophobic residues  4

Net charge  4

Boman Index  -1919

Hydrophobicity  77.78

Aliphatic Index  86.67

Half Life 

  •     Mammalian:30 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  375

Absorbance 280nm  22.06

Polar residues  10



Literature Information


Literature 1

Title   RC-101, a retrocyclin-1 analogue with enhanced activity against primary HIV type 1 isolates.

Pubmed ID   15588337

Reference   AIDS Res Hum Retroviruses. 2004 Nov;20(11):1157-65.

Author   Owen SM, Rudolph DL, Wang W, Cole AM, Waring AJ, Lal RB, Lehrer RI. 

DOI   10.1089/aid.2004.20.1157