• • DRAMP ID

  • DRAMP00017

• • Peptide Name

  • Microbisporicin A1 (Bacteriocin)

• • Source

  • Microbispora corallina (Gram-positive bacteria)

• • Family

  • Belongs to the lantibiotic family (Class I bacteriocin)

• • Gene

  • Not found

• • Sequence

  • VTSWSLCTPGCTSPGGGSNCSFCC

• • Sequence Length

  • 24

• • UniProt Entry

  • No entry found

• • Protein Existence

  • Protein level

• • Biological Activity

  • Antimicrobial, Antibacterial

• • Target Organism

  • • Human pathogens: L100 Staphylococcus aureus ATCC6538P (MIC≤0.13 μg/ml), L819 Staphylococcus aureus Smith ATCC19636 (MIC≤0.13 μg/ml), L1400 S. aureus MRSA (MIC≤0.13 μg/ml), L613 S. aureus MRSA (MIC≤0.13 μg/ml), L3798 S. aureus VISA (MIC=2 μg/ml), L3798 Staphylococcus epidermidis ATCC12228 (MIC≤0.13 μg/ml), L1729 Staphylococcus haemolyticus met-r (MIC=8 μg/ml), L49 Streptococcus pyogenes (MIC≤0.13 μg/ml), L44 Streptococcus pneumoniae (MIC≤0.13 μg/ml), L559 Enterococcus faecalis (MIC=1 μg/ml), L560 Enterococcus faecalis Van A (MIC=0.5 μg/ml), LA533 Enterococcus faecalis Van A (MIC=1 μg/ml), L568 Enterococcus faecium (MIC=2 μg/ml), L569 Enterococcus faecium Van A (MIC=1 μg/ml), LB518 E. faecium Van A (MIC=2 μg/ml), L884 Lactobacillus garviae (MIC=1 μg/ml), L148 Lactobacillus delbrueckii ATCC04797 (MIC=4 μg/ml), L3607 Clostridium perfringens ATCC13124 (MIC≤0.125 μg/ml), L4018 Clostridium difficile (MIC≤0.125 μg/ml), L4043 Clostridium butyricum (MIC≤0.125 μg/ml), Propionibacterium granulosum ATCC25564 (MIC=0.03 μg/ml), L1329 Propionibacterium acnes (MIC=0.5 μg/ml), Propionibacterium limphophylum ATCC27250 (MIC=0.015 μg/ml), L970 Haemophilus influenzae ATCC19418 (MIC=32 μg/ml), L76 Moraxella catarrhalis ATCC8176 (MIC=0.25 μg/ml), L1613 Neisseria meningitidis ATCC13090V (MIC=0.5 μg/ml), L997 Neisseria gonorrhoeae (MIC=0.25 μg/ml).

• • Hemolytic Activity

  • • Not found

• • Cytotoxicity

  • No cytotoxicity information found in the reference(s) presented

• • Binding Target

  • Not found

• • Linear/Cyclic

  • Cyclic

• • N-terminal Modification

  • Free

• • C-terminal Modification

  • Amidation and Cyclization

• • Nonterminal Modifications and Unusual Amino Acids

  • ①There are five thioether intramolecular bridges which link Ala3 and Ala7, Ala8 and Ala11, Ala13 and Ala20, Ala18 and Ala23, respectively. ②The residue at position 2 is (Z)-2,3-didehydrobutyrine (Dhb). ③The residue at position 4 is chloro-tryptophan (ClTrp). ④The residue at position 5 is 2,3-didehydroalanine. ⑤The residue at position 8 is 2-Aminobutyric acid (Abu). ⑥The residue at position 14 is bis-hydroxylated proline.

• • Stereochemistry

  • L

• • Structure

  • Rich

• • Structure Description

  • Not found

• • PDB ID

  • None
• • 

DRAMP00017

• • Function

  • Microbisporicins A1 displayed similar antibacterial activity by selectively blocking peptidoglycan biosynthesis, leading to cytoplasmic accumulation of the UDP-linked precursor.

• • PTM

  • Microbisporicin A1 contains five ether rings

• ·Literature 1

• • Title

  • Determining the structure and mode of action of microbisporicin, a potent lantibiotic active against multiresistant pathogens.

• • Pubmed ID

  • 18215770

• • Reference

  • Chem Biol. 2008 Jan;15(1):22-31.

• • Author

  • Castiglione F, Lazzarini A, Carrano L, Corti E, Ciciliato I, Gastaldo L, Candiani P, Losi D, Marinelli F, Selva E, Parenti F.