General Information
-
DRAMP ID
- DRAMP03185
-
Peptide Name
- Spheniscin-1 (Sphe-1; penguin avian beta-defensin 103a; birds ,animals)
-
Source
- Aptenodytes patagonicus (King penguin)
-
Family
- Belongs to the beta-defensin family
-
Gene
- Not found
-
Sequence
- SFGLCRLRRGFCAHGRCRFPSIPIGRCSRFVQCCRRVW
-
Sequence Length
- 38
-
UniProt Entry
- P83429
-
Protein Existence
- Protein level
-
SMILES
- CC[C@@H](C)[C@@H]1NC(=O)[C@@H]2CCCN2C(=O)[C@H]([C@H](C)CC)NC(=O)[C@H](CO)NC(=O)[C@@H]2CCCN2C(=O)[C@H](Cc2ccccc2)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H]2CSSC[C@@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)N[C@@H](Cc3c[nH]c4ccccc34)C(=O)O)C(C)C)NC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H](N)CO)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)NCC(=O)N[C@@H](Cc4ccccc4)C(=O)N[C@@H](CSSC[C@H](NC(=O)[C@H](CCCNC(=N)N)NC(=O)CNC1=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N3)C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)NCC(=O)N[C@@H](CCCNC(=N)N)C(=O)N2
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Antifungal
-
Target Organism
- No MICs found in DRAMP database
-
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
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
-
N-terminal Modification
- Free
-
C-terminal Modification
- Free
-
Nonterminal Modifications and Unusual Amino Acids
- Disulfide bonds between Cys5 and Cys33; Cys12 and Cys27; Cys17 and Cys34.
-
Stereochemistry
- L
-
Structure
- Not found
-
Structure Description
- Not found
-
Predicted Structure
- There is no predicted structure for DRAMP03185.
Physicochemical Information
-
Formula
- C194H309N69O43S6
Absent Amino Acids
- DEKMNTY
Common Amino Acids
- R
Mass
- 4488.38
PI
- 11.46
Basic Residues
- 10
Acidic Residues
- 0
Hydrophobic Residues
- 12
Net Charge
- +10
-
Boman Index
- -99.42
Hydrophobicity
- -0.061
Aliphatic Index
- 58.95
Half Life
-
- Mammalian:1.9 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 5875
Absorbance 280nm
- 158.78
Polar Residues
- 13
DRAMP03185
Comments Information
Function
- Has antifungal activity and antibacterial activity against Gram-positive and Gram-negative bacteria. Involved in the process of food preservation in the stomach during the incubation fast. May also be present during infection.
PTM
- Contains three disulfide bond
Tissue specificity
- Secreted into the stomach cavity.
Literature Information
- ·Literature 1
-
Title
- Spheniscins, avian beta-defensins in preserved stomach contents of the king penguin, Aptenodytes patagonicus.
-
Pubmed ID
- 14525994
-
Reference
- J Biol Chem. 2003 Dec 19;278(51):51053-8.
-
Author
- Thouzeau C, Le Maho Y, Froget G, Sabatier L, Le Bohec C, Hoffmann JA, Bulet P.
