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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1p9ua_ All beta proteins Trypsin-like serine proteases Trypsin-like serine proteases Viral cysteine protease of trypsin fold Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) (Transmissible gastroenteritis virus ) [TaxId: 11149 ], SCOPe (2.08)
Bd1p9ub_ All beta proteins Trypsin-like serine proteases Trypsin-like serine proteases Viral cysteine protease of trypsin fold Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) (Transmissible gastroenteritis virus ) [TaxId: 11149 ], SCOPe (2.08)
Cd1p9uc_ All beta proteins Trypsin-like serine proteases Trypsin-like serine proteases Viral cysteine protease of trypsin fold Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) (Transmissible gastroenteritis virus ) [TaxId: 11149 ], SCOPe (2.08)
Dd1p9ud_ All beta proteins Trypsin-like serine proteases Trypsin-like serine proteases Viral cysteine protease of trypsin fold Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) (Transmissible gastroenteritis virus ) [TaxId: 11149 ], SCOPe (2.08)
Ed1p9ue_ All beta proteins Trypsin-like serine proteases Trypsin-like serine proteases Viral cysteine protease of trypsin fold Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) (Transmissible gastroenteritis virus ) [TaxId: 11149 ], SCOPe (2.08)
Fd1p9uf_ All beta proteins Trypsin-like serine proteases Trypsin-like serine proteases Viral cysteine protease of trypsin fold Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) (Transmissible gastroenteritis virus ) [TaxId: 11149 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyTrypsin-like serine proteases 8041473 3000114 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyTrypsin-like serine proteases 8041473 3000114 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyTrypsin-like serine proteases 8041473 3000114 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyTrypsin-like serine proteases 8041473 3000114 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyTrypsin-like serine proteases 8041473 3000114 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyTrypsin-like serine proteases 8041473 3000114 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APeptidase_C30_Ne1p9uA1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
APeptidase_C30_Ce1p9uA2 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: Peptidase_C30_CECOD (1.6)
BPeptidase_C30_Ne1p9uB1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
BPeptidase_C30_Ce1p9uB2 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: Peptidase_C30_CECOD (1.6)
CPeptidase_C30_Ne1p9uC1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
CPeptidase_C30_Ce1p9uC2 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: Peptidase_C30_CECOD (1.6)
DPeptidase_C30_Ne1p9uD1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
DPeptidase_C30_Ce1p9uD2 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: Peptidase_C30_CECOD (1.6)
EPeptidase_C30_Ne1p9uE1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
EPeptidase_C30_Ce1p9uE2 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: Peptidase_C30_CECOD (1.6)
FPeptidase_C30_Ne1p9uF1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
FPeptidase_C30_Ce1p9uF2 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: Peptidase_C30_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
A1.10.1840.10 Mainly Alpha Orthogonal Bundle main proteinase (3clpro) structure, domain 3 main proteinase (3clpro) structure, domain 3CATH (4.3.0)
B2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
B1.10.1840.10 Mainly Alpha Orthogonal Bundle main proteinase (3clpro) structure, domain 3 main proteinase (3clpro) structure, domain 3CATH (4.3.0)
C2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
C1.10.1840.10 Mainly Alpha Orthogonal Bundle main proteinase (3clpro) structure, domain 3 main proteinase (3clpro) structure, domain 3CATH (4.3.0)
D2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
D1.10.1840.10 Mainly Alpha Orthogonal Bundle main proteinase (3clpro) structure, domain 3 main proteinase (3clpro) structure, domain 3CATH (4.3.0)
E2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
E1.10.1840.10 Mainly Alpha Orthogonal Bundle main proteinase (3clpro) structure, domain 3 main proteinase (3clpro) structure, domain 3CATH (4.3.0)
F2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
F1.10.1840.10 Mainly Alpha Orthogonal Bundle main proteinase (3clpro) structure, domain 3 main proteinase (3clpro) structure, domain 3CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
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, D, E
putative coronavirus nsp2 (3CL-PRO)
G, H
PHQ-VNSTLQ-CHLOROMETHYLKETONE INHIBITOR---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR042515Non-structural protein NSP15, N-terminal domain superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR043174Non-structural protein NSP15, middle domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR038123Non-structural protein NSP4, C-terminal superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR032039Alphacoronavirus nsp1Domain
A, B, C, D, E
IPR043178Papain-like protease, thumb domain superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR046441RNA-dependent RNA polymerase, coronavirusDomain
A, B, C, D, E
IPR038634Alphacoronavirus nsp1 domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR044863Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domainDomain
A, B, C, D, E
IPR044343Nonstructural protein 13, 1B domain, coronavirusDomain
A, B, C, D, E
IPR037227Endoribonuclease EndoU-likeHomologous Superfamily
A, B, C, D, E
IPR027352Nonstructural protein 13, zinc-binding domain, coronavirus-likeDomain
A, B, C, D, E
IPR009003Peptidase S1, PA clanHomologous Superfamily
A, B, C, D, E
IPR013016Peptidase C16, coronavirusDomain
A, B, C, D, E
IPR009466Non-structural protein 14, coronavirusDomain
A, B, C, D, E
IPR044357NSP3, first ubiquitin-like (Ubl) domain, coronavirusDomain
A, B, C, D, E
IPR046436Nidovirus 3'-5' exoribonuclease domainDomain
A, B, C, D, E
IPR047570NSP12, interface domain, coronavirusDomain
A, B, C, D, E
IPR018995RNA synthesis protein NSP10, coronavirusDomain
A, B, C, D, E
IPR043615Nonstructural protein 2, N-terminal domain, coronavirusDomain
A, B, C, D, E
IPR050534Coronaviruses polyprotein 1abFamily
A, B, C, D, E
IPR043177Papain-like protease, N-terminal domain superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR043606Coronavirus replicase NSP15, N-terminal oligomerizationDomain
A, B, C, D, E
IPR044330Nonstructural protein 15, N-terminal domain, alpha/beta-coronavirusDomain
A, B, C, D, E
IPR044369Non-structural protein 6, alphacoronavirusDomain
A, B, C, D, E
IPR041679DNA2/NAM7 helicase-like, C-terminalDomain
A, B, C, D, E
IPR044356RNA-dependent RNA polymerase, alphacoronavirusDomain
A, B, C, D, E
IPR014828Non-structural protein NSP7, coronavirusDomain
A, B, C, D, E
IPR014829Non-structural protein NSP8, coronavirusDomain
A, B, C, D, E
IPR036499Non-structural protein NSP9 superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR029063S-adenosyl-L-methionine-dependent methyltransferase superfamilyHomologous Superfamily
A, B, C, D, E
IPR043502DNA/RNA polymerase superfamilyHomologous Superfamily
A, B, C, D, E
IPR008740Peptidase C30, coronavirusDomain
A, B, C, D, E
IPR036333RNA synthesis protein NSP10 superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR047573Non-structural protein 2, middle domain, coronavirusDomain
A, B, C, D, E
IPR049894Coronavirus NSP3, 3Ecto domainDomain
A, B, C, D, E
IPR044309Non-structural protein 5, alphacoronavirusDomain
A, B, C, D, E
IPR043472Macro domain-likeHomologous Superfamily
A, B, C, D, E
IPR043609NendoU domain, nidovirusDomain
A, B, C, D, E
IPR043613Non-structural protein 2, C-terminal domain, coronavirusDomain
A, B, C, D, E
IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
A, B, C, D, E
IPR048673Nonstructural protein 13, stalk domain, coronavirusDomain
A, B, C, D, E
IPR046435NSP14, guanine-N7-methyltransferase domain, coronavirusDomain
A, B, C, D, E
IPR009469RNA-dependent RNA polymerase, N-terminal, coronavirusDomain
A, B, C, D, E
IPR043611Coronavirus replicase NSP3, C-terminalDomain
A, B, C, D, E
IPR047566Coronavirus replicase NSP3, Y domainDomain
A, B, C, D, E
IPR048672Nonstructural protein 13, zinc-binding domain, coronavirusDomain
A, B, C, D, E
IPR043612Non-structural protein NSP4, N-terminal, coronavirusDomain
A, B, C, D, E
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
A, B, C, D, E
IPR043608Nonstructural protein 15, middle domain, coronavirusDomain
A, B, C, D, E
IPR044353NSP3, second ubiquitin-like (Ubl) domain, coronavirusDomain
A, B, C, D, E
IPR037204Non-structural protein NSP7 superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR047912Non-structural protein 13, helicase domain, alphacoronavirusDomain
A, B, C, D, E
IPR046443NSP1, globular domain, alpha/betacoronavirusDomain
A, B, C, D, E
IPR044313Nonstructural protein 14, alphacoronavirusDomain
A, B, C, D, E
IPR043610Non-structural protein 6, coronavirusDomain
A, B, C, D, E
IPR027351(+) RNA virus helicase core domainDomain
A, B, C, D, E
IPR044322Nonstructural protein 15, middle domain, alpha/betacoronavirusDomain
A, B, C, D, E
IPR009461Non-structural protein NSP16, coronavirus-likeDomain
A, B, C, D, E
IPR043477Peptidase C30, domain 3, coronavirusHomologous Superfamily
A, B, C, D, E
IPR001205RNA-directed RNA polymerase, C-terminal domainDomain
A, B, C, D, E
IPR044401NSP15, NendoU domain, coronavirusDomain
A, B, C, D, E
IPR014822Non-structural protein NSP9, coronavirusDomain
A, B, C, D, E
IPR037230Non-structural protein NSP8 superfamily, coronavirusHomologous Superfamily
A, B, C, D, E
IPR046440Arterivirus Nsp11 N-terminal/Coronavirus NSP15 middle domainDomain
A, B, C, D, E
IPR032505Non-structural protein NSP4, C-terminal, coronavirusDomain
A, B, C, D, E
IPR046438Nidovirus 2-O-methyltransferaseDomain
A, B, C, D, E
IPR002589Macro domainDomain
A, B, C, D, E
IPR044371Non-structural protein 3, X-domain-likeDomain
A, B, C, D, E
IPR044385Nonstructural protein 2, HCoV-229E-likeDomain