Function and Biology

Equine arteritis virus papain-like protease 2 (PLP2) covalently bound to ubiquitin

Source organisms:
Biochemical function: not assigned
Biological process: viral protein processing
Cellular component: not assigned

EC 3.6.4.13: RNA helicase

Reaction catalysed:
ATP + H(2)O = ADP + phosphate
Systematic name:
ATP phosphohydrolase (RNA helix unwinding)
Alternative Name(s):
  • CSFV NS3 helicase
  • DBP2
  • DDX17
  • DDX25
  • DDX3
  • DDX3X
  • DDX3Y
  • DDX4
  • DDX5
  • DEAD-box RNA helicase
  • DEAD-box protein DED1
  • DEAH-box RNA helicase
  • DEAH-box protein 2
  • DED1
  • DbpA
  • Dex(H/D) RNA helicase
  • EIF4A helicase
  • EhDEAD1
  • EhDEAD1 RNA helicase
  • GRTH/DDX25
  • KOKV helicase
  • Mtr4p
  • NPH-II
  • Nonstructural protein 3 helicase
  • RHA
  • RNA helicase A
  • RNA helicase DDX3
  • RNA helicase Hera
  • RNA-dependent ATPase
  • TGBp1 NTPase/helicase domain
  • VRH1

EC 3.6.4.12: DNA helicase

Reaction catalysed:
ATP + H(2)O = ADP + phosphate
Systematic name:
ATP phosphohydrolase (DNA helix unwinding)
Alternative Name(s):
  • 3' to 5' DNA helicase
  • 3'-5' DNA helicase
  • 3'-5' PfDH
  • 5' to 3' DNA helicase
  • AvDH1
  • BACH1 helicase
  • BLM protein
  • BRCA1-associated C-terminal helicase
  • BcMCM
  • CeWRN-1
  • DNA helicase 120
  • DNA helicase A
  • DNA helicase E
  • DNA helicase II
  • DNA helicase III
  • DNA helicase RECQL5'
  • DNA helicase VI
  • Dbp9p
  • DmRECQ5
  • DnaB
  • DnaB helicase E1
  • HHcsA
  • HPif1
  • Hel E
  • Helicase DnaB
  • Helicase HDH IV
  • Helicase domain of bacteriophage T7 gene 4 protein helicase
  • Hmi1p
  • MCM helicase
  • MCM protein
  • MER3 helicase
  • MER3 protein
  • MPH1
  • PDH120
  • PIF1
  • PcrA
  • PcrA helicase
  • PfDH A
  • Pfh1p
  • UvrD

EC 3.4.19.12: Ubiquitinyl hydrolase 1

Reaction catalysed:
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
Systematic name:
-
Alternative Name(s):
  • Ubiquitin C-terminal hydrolase
  • Ubiquitin carboxyl-terminal hydrolase
  • Ubiquitin thiolesterase
  • Yeast ubiquitin hydrolase

EC 2.7.7.48: RNA-directed RNA polymerase

Reaction catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Systematic name:
Nucleoside-triphosphate:RNA nucleotidyltransferase (RNA-directed)
Alternative Name(s):
  • 3D polymerase
  • PB1 proteins
  • PB2 proteins
  • Phage f2 replicase
  • Polymerase L
  • Q-beta replicase
  • RDRP
  • RNA nucleotidyltransferase (RNA-directed)
  • RNA replicase
  • RNA synthetase
  • RNA transcriptase
  • RNA-dependent RNA polymerase
  • RNA-dependent RNA replicase
  • RNA-dependent ribonucleate nucleotidyltransferase
  • Ribonucleic acid replicase
  • Ribonucleic acid-dependent ribonucleate nucleotidyltransferase
  • Ribonucleic acid-dependent ribonucleic acid polymerase
  • Ribonucleic replicase
  • Ribonucleic synthetase
  • Transcriptase

GO terms

Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned

Sequence families

Pfam Protein families (Pfam)
PF00240
Domain description: Ubiquitin family
Occurring in:
  1. Ubiquitin
The deposited structure of PDB entry 4ium contains 1 copy of Pfam domain PF00240 (Ubiquitin family) in Ubiquitin. Showing 1 copy in chain B.

PF05412
Domain description: Equine arterivirus Nsp2-type cysteine proteinase
Occurring in:
  1. Nsp2 cysteine proteinase
The deposited structure of PDB entry 4ium contains 1 copy of Pfam domain PF05412 (Equine arterivirus Nsp2-type cysteine proteinase) in Nsp2 cysteine proteinase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR019956
Domain description: Ubiquitin domain
Occurring in:
  1. Ubiquitin
IPR000626
Domain description: Ubiquitin-like domain
Occurring in:
  1. Ubiquitin
IPR008743
Domain description: Arterivirus Nsp2, peptidase C33
Occurring in:
  1. Nsp2 cysteine proteinase
IPR019954
Domain description: Ubiquitin conserved site
Occurring in:
  1. Ubiquitin
IPR029071
Domain description: Ubiquitin-like domain superfamily
Occurring in:
  1. Ubiquitin
IPR032786
Domain description: Nsp2, transmembrane domain
Occurring in:
  1. Nsp2 cysteine proteinase

Structure domains

CATH CATH domains
3.10.20.90
Class: Alpha Beta
Architecture: Roll
Topology: Ubiquitin-like (UB roll)
Homology: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Occurring in:
  1. Ubiquitin
The deposited structure of PDB entry 4ium contains 1 copy of CATH domain 3.10.20.90 (Ubiquitin-like (UB roll)) in Ubiquitin. Showing 1 copy in chain B.
3.90.70.160
Class: Alpha Beta
Architecture: Alpha-Beta Complex
Topology: Cathepsin B; Chain A
Homology: Cathepsin B; Chain A
Occurring in:
  1. Nsp2 cysteine proteinase
The deposited structure of PDB entry 4ium contains 1 copy of CATH domain 3.90.70.160 (Cathepsin B; Chain A) in Nsp2 cysteine proteinase. Showing 1 copy in chain A.