The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was named:

"
Vaccinia Virus protein VP39
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 365: Unplaced genomic scaffold supercont1.14, whole gen...

There are 1 EC terms in this cluster

Please note: EC annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

Note: The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.

EC Term Annotations Evidence
Protein N-terminal methyltransferase. [EC: 2.1.1.244]
(1) 3 S-adenosyl-L-methionine + N-terminal-(A,S)PK-[protein] = 3 S-adenosyl-L-homocysteine + N-terminal-N,N,N-trimethyl-N- (A,S)PK-[protein]. (2) 2 S-adenosyl-L-methionine + N-terminal-PPK-[protein] = 2 S-adenosyl- L-homocysteine + N-terminal-N,N-dimethyl-N-PPK-[protein].
  • This enzyme methylates the N-terminus of target proteins containing the N-terminal motif (Ala/Pro/Ser)-Pro-Lys after the initiator L-methionine is cleaved.
  • When the terminal amino acid is L-proline, the enzyme catalyzes two successive methylations of its alpha-amino group.
  • When the first amino acid is either L-alanine or L-serine, the enzyme catalyzes three successive methylations.
  • The Pro-Lys in positions 2-3 cannot be exchanged for other amino acids.
  • Formerly EC 2.1.1.n5.
2 O13748 Q55DH6
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