CATH Classification

Domain Context

CATH Clusters

Superfamily 2.60.120.20
Functional Family Genome polyprotein

Enzyme Information

3.4.22.29
Picornain 2A.
based on mapping to UniProt P04936
Selective cleavage of Tyr-|-Gly bond in the picornavirus polyprotein.
-!- From entero- and rhinoviruses. -!- Smaller than the homologous virus picornain 3C. -!- Belongs to peptidase family C3.
2.7.7.48
RNA-directed RNA polymerase.
based on mapping to UniProt P04936
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1).
-!- Catalyzes RNA-template-directed extension of the 3'-end of an RNA strand by one nucleotide at a time. -!- Can initiate a chain de novo. -!- See also EC 2.7.7.6.
3.6.1.15
Nucleoside-triphosphate phosphatase.
based on mapping to UniProt P04936
NTP + H(2)O = NDP + phosphate.
-!- The enzyme is found in eukaryotes and thermophilic bacteria, but appears to be absent from mesophilic bacteria. -!- Also hydrolyzes nucleoside diphosphates, thiamine diphosphate and FAD. -!- The enzyme from the plant Pisum sativum (garden pea) is regulated by calmodulin.
3.4.22.28
Picornain 3C.
based on mapping to UniProt P04936
Selective cleavage of Gln-|-Gly bond in the poliovirus polyprotein. In other picornavirus reactions Glu may be substituted for Gln, and Ser or Thr for Gly.
-!- From entero-, rhino-, aphto- and cardioviruses. -!- Larger than the homologous virus picornain 2A. -!- Belongs to peptidase family C3.

UniProtKB Entries (2)

P04936
POLG_HRV2
Human rhinovirus A2
Genome polyprotein
P98155
VLDLR_HUMAN
Homo sapiens
Very low-density lipoprotein receptor

PDB Structure

PDB 1V9U
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
X-ray structure of a minor group human rhinovirus bound to a fragment of its cellular receptor protein
Verdaguer, N., Fita, I., Reithmayer, M., Moser, R., Blaas, D.
NAT.STRUCT.MOL.BIOL.
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