Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2 FamilyViral cysteine protease of trypsin fold (M)Pro-like8076484 4002259 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyTrypsin-like serine proteases8076485 3000114 SCOP2 (2022-06-29)
CSCOP2B SuperfamilyTrypsin-like serine proteases8076485 3000114 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyTrypsin-like serine proteases8076485 3000114 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPF05409e2q6dB1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: PF05409ECOD (1.6)
BPF05409e2q6dB2 A: alpha arraysX: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain (From Topology)H: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain (From Topology)T: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domainF: PF05409ECOD (1.6)
CPF05409e2q6dC1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: PF05409ECOD (1.6)
CPF05409e2q6dC2 A: alpha arraysX: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain (From Topology)H: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain (From Topology)T: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domainF: PF05409ECOD (1.6)
APF05409e2q6dA1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: PF05409ECOD (1.6)
APF05409e2q6dA2 A: alpha arraysX: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain (From Topology)H: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain (From Topology)T: Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domainF: PF05409ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C
PF05409Coronavirus endopeptidase C30 (Peptidase_C30)Coronavirus endopeptidase C30- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C
Infectious bronchitis virus (IBV) main protease

InterPro: Protein Family Classification InterPro Database Homepage

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