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CATH Superfamily 3.40.50.2000

Glycogen Phosphorylase B;

The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
Glycogen Phosphorylase B;
".

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 78951: Putative acylneuraminate cytidylyltransferase

There are 4 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
Type III site-specific deoxyribonuclease. [EC: 3.1.21.5]
Endonucleolytic cleavage of DNA to give specific double-stranded fragments with terminal 5'-phosphates.
  • Has an absolute requirement for ATP, but does not hydrolyze it; S-adenosyl-L-methionine stimulates the reaction, but is not absolutely required.
  • Recognize specific short DNA sequences and cleave a short distance away from the recognition sequence.
  • Exist as complexes with enzymes of similar specificity listed under EC 2.1.1.72 or EC 2.1.1.73.
  • Formerly EC 3.1.24.3 and EC 3.1.24.4.
  • See the REBASE database for a complete list of these enzymes: http://rebase.neb.com/rebase/
 47 I9Q8L6 I9QB07 I9RDG9 I9UQB2 I9V0D5 I9VH96 I9VN98 I9WJC8 I9XUU7 I9Y506
(37 more...)
N-acylneuraminate cytidylyltransferase. [EC: 2.7.7.43]
CTP + N-acylneuraminate = diphosphate + CMP-N-acylneuraminate.
  • Acts on N-acetyl- and N-glycolyl- derivatives.
 10 D7FF37 I9W4B7 I9YLH0 J0HMU4 J0Q220 J0Q8P8 J0RFI8 J0RXE3 Q17X62 Q1CUH5
Pseudaminic acid cytidylyltransferase. [EC: 2.7.7.81]
CTP + 5,7-diacetamido-3,5,7,9-tetradeoxy-L-glycero-alpha-L-manno-2- nonulopyranosonic acid = diphosphate + CMP-5,7-diacetamido-3,5,7,9- tetradeoxy-L-glycero-alpha-L-manno-2-nonulopyranosonic acid.
    		 1 O25093
    UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-altropyranose hydrolase. [EC: 3.6.1.57]
    UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-altropyranose + H(2)O = 2,4- diacetamido-2,4,6-trideoxy-beta-L-altropyranose + UDP.
    • The enzyme is involved in biosynthesis of pseudaminic acid.
    		 1 O25093
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