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obsolete peptide cross-linking via 2-tetrahydropyridinyl-5-imidazolinone glycine
Obsolete Term Information
Accession
GO:0051362
Name
obsolete peptide cross-linking via 2-tetrahydropyridinyl-5-imidazolinone glycine
Ontology
biological_process
Synonyms
biosynthesis of protein-protein cross-link via 2-tetrahydropyridinyl-5-imidazolinone glycine, biosynthetic process of protein-protein cross-link via 2-tetrahydropyridinyl-5-imidazolinone glycine
Alternate IDs
None
Definition
OBSOLETE. The formation of a 2-tetrahydropyridinyl-5-imidazolinone protein chromophore cross-link from the alpha-carboxyl carbon of residue n, a lysine, to the alpha-amino nitrogen of residue n+2, a glycine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+1. This cross-linking is coupled with a dehydrogenation of residue n+1 to form a double bond between the alpha and beta carbons. In addition, the residue N lysine undergoes cyclization. The alpha-amino nitrogen is replaced by the epsilon-amino nitrogen, the peptide chain is broken, residue N-1 is released as an amide, and a double bond is formed between the alpha-carbon and the nitrogen so that a tetrahydropyridine ring results. This modification is found in the GFP-like fluorescent chromoprotein FP538 from the sea anemone Zoanthus species.
Source:PMID:10504696,
PMID:15628861,
RESID:AA0382,
PDB:1XAE
Comment
See also the biological process term 'peptidyl-tyrosine dehydrogenation ; GO:0018251'. Term describes modified products or self-catalyzed processes.
Link
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Link
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Link
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for obsolete peptide cross-linking via 2-tetrahydropyridinyl-5-imidazolinone glycine.
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