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microcin J25   Click here for help

GtoPdb Ligand ID: 14257

Synonyms: Mcc25 | MccJ25
Compound class: Peptide
Comment: Microcin J25 is an antimicrobial lasso peptide produced by Escherichia coli (fecal isolate AY25) [1,4].
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES CC[C@H](C)[C@@H](C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N1CCC[C@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC2=CC=CC=C2)C(=O)N[C@@H](CC3=CC=C(C=C3)O)C(=O)NCC(=O)O)NC(=O)CNC(=O)[C@H](C(C)C)NC(=O)[C@H](CC4=CC=CC=C4)NC(=O)[C@H](CC5=CC=C(C=C5)O)NC(=O)[C@@H]6CCC(=O)NCC(=O)NCC(=O)N[C@@H](C)C(=O)NCC(=O)N[C@@H](CC7=CN=CN7)C(=O)N[C@@H](C(C)C)C(=O)N8CCC[C@H]8C(=O)N6
Isomeric SMILES CC[C@H](C)[C@@H](C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N1CCC[C@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC2=CC=CC=C2)C(=O)N[C@@H](CC3=CC=C(C=C3)O)C(=O)NCC(=O)O)NC(=O)CNC(=O)[C@H](C(C)C)NC(=O)[C@H](CC4=CC=CC=C4)NC(=O)[C@H](CC5=CC=C(C=C5)O)NC(=O)[C@@H]6CCC(=O)NCC(=O)NCC(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)N7CCC[C@H]7C(=O)N6)C(C)C)CC8=CN=CN8)C
InChI InChI=1S/C101H139N23O27/c1-11-55(7)84(98(148)107-49-80(134)119-86(58(10)126)101(151)124-38-20-26-74(124)96(146)122-85(56(8)12-2)99(149)117-72(51-125)94(144)116-68(39-59-21-15-13-16-22-59)90(140)113-67(88(138)108-50-81(135)136)41-61-27-31-64(127)32-28-61)118-79(133)48-106-97(147)82(53(3)4)120-92(142)70(40-60-23-17-14-18-24-60)115-91(141)69(42-62-29-33-65(128)34-30-62)114-89(139)66-35-36-75(129)103-45-76(130)104-46-77(131)110-57(9)87(137)105-47-78(132)111-71(43-63-44-102-52-109-63)93(143)121-83(54(5)6)100(150)123-37-19-25-73(123)95(145)112-66/h13-18,21-24,27-34,44,52-58,66-74,82-86,125-128H,11-12,19-20,25-26,35-43,45-51H2,1-10H3,(H,102,109)(H,103,129)(H,104,130)(H,105,137)(H,106,147)(H,107,148)(H,108,138)(H,110,131)(H,111,132)(H,112,145)(H,113,140)(H,114,139)(H,115,141)(H,116,144)(H,117,149)(H,118,133)(H,119,134)(H,120,142)(H,121,143)(H,122,146)(H,135,136)/t55-,56-,57-,58+,66-,67-,68-,69-,70-,71-,72-,73-,74-,82-,83-,84-,85-,86-/m0/s1
InChI Key FRJVEVHOMWPHHN-UBTJVNBSSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
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Mechanism Of Action and Pharmacodynamic Effects Click here for help
Microcin J25 inhibits RNA polymerase, with a narrow and selective spectrum of antibacterial activity that is determined by cellular uptake of the compound. The transport pathway of microcin J25 has been elucidated, with the iron transporter FhuA identified as the outer membrane receptor [2] and SbmA, as the inner membrane receptor [3].