Annotations: 1Q31

Crystal Structure of the Tobacco Etch Virus Protease C151A mutant

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1q31a_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Viral proteases	TEV protease (nucleat inclusion protein A, NIA)	(Tobacco etch virus ) [TaxId: 12227 ],	SCOPe (2.08)
B	d1q31b_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Viral proteases	TEV protease (nucleat inclusion protein A, NIA)	(Tobacco etch virus ) [TaxId: 12227 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Trypsin-like serine proteases	8043124	3000114	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Trypsin-like serine proteases	8043124	3000114	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Peptidase_C4	e1q31A1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: LigT-related	T: LigT-related	F: Peptidase_C4	ECOD (v294.1)
B	Peptidase_C4	e1q31B1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: LigT-related	T: LigT-related	F: Peptidase_C4	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
B	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Nuclear inclusion protein A	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 RNA-directed RNA polymerase activity 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 RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA RNA polymerase activity transferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups serine hydrolase activity serine-type peptidase activity RNA binding binding nucleic acid 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 hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides structural molecule activity	RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process cellular process macromolecule metabolic process viral gene expression viral translational frameshifting viral translation gene expression DNA-templated transcription proteolysis protein metabolic process symbiont-mediated perturbation of host defense response symbiont-mediated suppression of host immune response biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host process symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host innate immune response modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle viral capsid virion component helical viral capsid host cell cytoplasm part host cell cytoplasmic vesicle host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle viral capsid virion component helical viral capsid host cell cytoplasm part host cell cytoplasmic vesicle host cell cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001205	RNA-directed RNA polymerase, C-terminal domain	Domain
A, B	IPR001456	Helper component proteinase	Family
A, B	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
A, B	IPR002540	Peptidase S30, polyprotein P1, potyvirus	Domain
A, B	IPR013648	Polyprotein, Potyviridae	Domain
A, B	IPR001730	Potyvirus NIa protease (NIa-pro) domain	Domain
A, B	IPR011545	DEAD/DEAH-box helicase domain	Domain
A, B	IPR031159	Helper-component proteinase (HC-Pro) cysteine protease (CPD) domain	Domain
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
A, B	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B	IPR001650	Helicase, C-terminal domain-like	Domain
A, B	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A, B	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
A, B	IPR001592	Potyvirus coat protein	Family
A, B	IPR039560	Potyviral polyprotein protein 3	Domain
A, B	IPR007094	RNA-directed RNA polymerase, catalytic domain	Domain
A, B	IPR042308	Helper-component proteinase (HC-Pro) cysteine protease (CPD) domain superfamily	Homologous Superfamily

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.