Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF17896Non-structural protein 2, gammacoronavirus (NSP2_gammaCoV)Non-structural protein 2, gammacoronavirusAvian infectious bronchitis virus (IBV) is a gammacoronavirus that belongs to Group III of coronaviruses. They have a large genome containing the replicase gene consisting of two large ORFs, ORF1a and 1b that encode two replicase polyproteins ppa1a/1 ...Avian infectious bronchitis virus (IBV) is a gammacoronavirus that belongs to Group III of coronaviruses. They have a large genome containing the replicase gene consisting of two large ORFs, ORF1a and 1b that encode two replicase polyproteins ppa1a/1ab, which are then auto-proteolytically processed into 15 or 16 matured nonstructural proteins to achieve viral genomic replication, assembly and maturation. This group contains avian viruses and differs from the other groups in that they do not encode the essential pathogenic factor non-structural protein 1 (NSP1) and instead start with NSP2. IBV NSP2 is one of the first replicase proteins to be translated and processed in the viral life cycle [1]. NSP2 is a weak protein kinase R (PKR) antagonist, which may suggest that it plays a role in interfering with intracellular immunity [2].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Non-structural protein 2

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR042515Non-structural protein NSP15, N-terminal domain superfamily, coronavirusHomologous Superfamily
A, B
IPR048673Nonstructural protein 13, stalk domain, coronavirusDomain
A, B
IPR046435NSP14, guanine-N7-methyltransferase domain, coronavirusDomain
A, B
IPR043174Non-structural protein NSP15, middle domain superfamilyHomologous Superfamily
A, B
IPR009469RNA-dependent RNA polymerase, N-terminal, coronavirusDomain
A, B
IPR043611Coronavirus replicase NSP3, C-terminalDomain
A, B
IPR038123Non-structural protein NSP4, C-terminal superfamily, coronavirusHomologous Superfamily
A, B
IPR047566Coronavirus replicase NSP3, Y domainDomain
A, B
IPR044308Non-structural protein 5, gammacoronavirusDomain
A, B
IPR044316Nonstructural protein 14, gammacoronavirusDomain
A, B
IPR043178Papain-like protease, thumb domain superfamily, coronavirusHomologous Superfamily
A, B
IPR046441RNA-dependent RNA polymerase, coronavirusDomain
A, B
IPR048672Nonstructural protein 13, zinc-binding domain, coronavirusDomain
A, B
IPR043612Non-structural protein NSP4, N-terminal, coronavirusDomain
A, B
IPR044863Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domainDomain
A, B
IPR044343Nonstructural protein 13, 1B domain, coronavirusDomain
A, B
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
A, B
IPR043608Nonstructural protein 15, middle domain, coronavirusDomain
A, B
IPR044328Nonstructural protein 15, N-terminal, gammacoronavirusDomain
A, B
IPR044353NSP3, second ubiquitin-like (Ubl) domain, coronavirusDomain
A, B
IPR044358RNA-dependent RNA polymerase, gammacoronavirusDomain
A, B
IPR037227Endoribonuclease EndoU-likeHomologous Superfamily
A, B
IPR027352Nonstructural protein 13, zinc-binding domain, coronavirus-likeDomain
A, B
IPR009003Peptidase S1, PA clanHomologous Superfamily
A, B
IPR044383Non-structural protein 2, IBV-likeDomain
A, B
IPR013016Peptidase C16, coronavirusDomain
A, B
IPR040795Non-structural protein 2, gammacoronavirusDomain
A, B
IPR037204Non-structural protein NSP7 superfamily, coronavirusHomologous Superfamily
A, B
IPR009466Non-structural protein 14, coronavirusDomain
A, B
IPR044357NSP3, first ubiquitin-like (Ubl) domain, coronavirusDomain
A, B
IPR046436Nidovirus 3'-5' exoribonuclease domainDomain
A, B
IPR047570NSP12, interface domain, coronavirusDomain
A, B
IPR043610Non-structural protein 6, coronavirusDomain
A, B
IPR027351(+) RNA virus helicase core domainDomain
A, B
IPR009461Non-structural protein NSP16, coronavirus-likeDomain
A, B
IPR043477Peptidase C30, domain 3, coronavirusHomologous Superfamily
A, B
IPR018995RNA synthesis protein NSP10, coronavirusDomain
A, B
IPR043606Coronavirus replicase NSP15, N-terminal oligomerizationDomain
A, B
IPR001205RNA-directed RNA polymerase, C-terminal domainDomain
A, B
IPR014822Non-structural protein NSP9, coronavirusDomain
A, B
IPR037230Non-structural protein NSP8 superfamily, coronavirusHomologous Superfamily
A, B
IPR046440Arterivirus Nsp11 N-terminal/Coronavirus NSP15 middle domainDomain
A, B
IPR014828Non-structural protein NSP7, coronavirusDomain
A, B
IPR032505Non-structural protein NSP4, C-terminal, coronavirusDomain
A, B
IPR043503Papain-like viral protease, palm and finger domains, coronavirusHomologous Superfamily
A, B
IPR014829Non-structural protein NSP8, coronavirusDomain
A, B
IPR044325Nonstructural protein 15, middle domain, gammacoronavirusDomain
A, B
IPR046438Nidovirus 2-O-methyltransferaseDomain
A, B
IPR036499Non-structural protein NSP9 superfamily, coronavirusHomologous Superfamily
A, B
IPR002589Macro domainDomain
A, B
IPR029063S-adenosyl-L-methionine-dependent methyltransferase superfamilyHomologous Superfamily
A, B
IPR043502DNA/RNA polymerase superfamilyHomologous Superfamily
A, B
IPR008740Peptidase C30, coronavirusDomain
A, B
IPR044368Non-structural protein 6, gammacoronavirusDomain
A, B
IPR036333RNA synthesis protein NSP10 superfamily, coronavirusHomologous Superfamily
A, B
IPR043472Macro domain-likeHomologous Superfamily
A, B
IPR043609NendoU domain, nidovirusDomain
A, B
IPR044371Non-structural protein 3, X-domain-likeDomain
A, B
IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
A, B
IPR007094RNA-directed RNA polymerase, catalytic domainDomain