Annotations: 8EHN

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF05412	Equine arterivirus Nsp2-type cysteine proteinase (Peptidase_C33)	Equine arterivirus Nsp2-type cysteine proteinase	-	Family
A	PF05412	Equine arterivirus Nsp2-type cysteine proteinase (Peptidase_C33)	Equine arterivirus Nsp2-type cysteine proteinase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Papain-like protease 2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on a nucleic acid helicase activity macromolecular conformation isomerase activity catalytic activity ATP-dependent activity cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity endopeptidase activity cation binding transition metal ion binding zinc ion binding metal ion binding	viral gene expression viral process viral translational frameshifting viral translation viral protein processing proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell endomembrane system host intracellular region cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane host cell nucleus
A	Papain-like protease 2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on a nucleic acid helicase activity macromolecular conformation isomerase activity catalytic activity ATP-dependent activity cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity endopeptidase activity cation binding transition metal ion binding zinc ion binding metal ion binding	viral gene expression viral process viral translational frameshifting viral translation viral protein processing proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell endomembrane system host intracellular region cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane host cell nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR038155	Arterivirus papain-like cysteine protease alpha (PCPalpha) domain superfamily	Homologous Superfamily
B	IPR038154	Arterivirus papain-like cysteine protease beta (PCPbeta) domain superfamily	Homologous Superfamily
B	IPR054104	Nsp1alpha, N-terminal zinc finger	Domain
B	IPR008741	Arterivirus papain-like cysteine protease alpha (PCPalpha) domain	Domain
B	IPR032855	Arterivirus polyprotein, nsp2, immunogenic region	Domain
B	IPR032841	Arterivirus polyprotein, nsp2, non-essential region	Domain
B	IPR025773	Arterivirus papain-like cysteine protease beta (PCPbeta) domain	Domain
B	IPR008743	Arterivirus Nsp2, peptidase C33	Domain
A	IPR038155	Arterivirus papain-like cysteine protease alpha (PCPalpha) domain superfamily	Homologous Superfamily
A	IPR038154	Arterivirus papain-like cysteine protease beta (PCPbeta) domain superfamily	Homologous Superfamily
A	IPR054104	Nsp1alpha, N-terminal zinc finger	Domain
A	IPR008741	Arterivirus papain-like cysteine protease alpha (PCPalpha) domain	Domain
A	IPR032855	Arterivirus polyprotein, nsp2, immunogenic region	Domain
A	IPR032841	Arterivirus polyprotein, nsp2, non-essential region	Domain
A	IPR025773	Arterivirus papain-like cysteine protease beta (PCPbeta) domain	Domain
A	IPR008743	Arterivirus Nsp2, peptidase C33	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	OCS	Parent Component: CYS RESID: AA0556 PSI-MOD : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.