Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyTrypsin-like serine proteases 8076481 3000114 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APeptidase_C30_Ne3sneA1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: Peptidase_C30_NECOD (1.6)
APeptidase_C30_Ce3sneA2 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)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF05409Coronavirus endopeptidase C30 (Peptidase_C30)Coronavirus endopeptidase C30- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
3C-like proteinase
B [auth H]Peptide aldehyde inhibitor Ac-ESTLQ-H---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR022733DPUP/SUD, C-terminal, betacoronavirusDomain
IPR042515Non-structural protein NSP15, N-terminal domain superfamily, coronavirusHomologous Superfamily
IPR043174Non-structural protein NSP15, middle domain superfamilyHomologous Superfamily
IPR044315Nonstructural protein 14, betacoronavirusDomain
IPR038123Non-structural protein NSP4, C-terminal superfamily, coronavirusHomologous Superfamily
IPR042570Non-structural protein NSP3, nucleic acid-binding domain superfamily, betacoronavirusHomologous Superfamily
IPR043178Papain-like protease, thumb domain superfamily, coronavirusHomologous Superfamily
IPR046441RNA-dependent RNA polymerase, coronavirusDomain
IPR044863Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domainDomain
IPR044343Nonstructural protein 13, 1B domain, coronavirusDomain
IPR038166Polyprotein cleavage domain PL2pro superfamily, betacoronavirusHomologous Superfamily
IPR037227Endoribonuclease EndoU-likeHomologous Superfamily
IPR027352Nonstructural protein 13, zinc-binding domain, coronavirus-likeDomain
IPR009003Peptidase S1, PA clanHomologous Superfamily
IPR013016Peptidase C16, coronavirusDomain
IPR009466Non-structural protein 14, coronavirusDomain
IPR044357NSP3, first ubiquitin-like (Ubl) domain, coronavirusDomain
IPR046436Nidovirus 3'-5' exoribonuclease domainDomain
IPR047570NSP12, interface domain, coronavirusDomain
IPR018995RNA synthesis protein NSP10, coronavirusDomain
IPR043615Nonstructural protein 2, N-terminal domain, coronavirusDomain
IPR050534Coronaviruses polyprotein 1abFamily
IPR043177Papain-like protease, N-terminal domain superfamily, coronavirusHomologous Superfamily
IPR043606Coronavirus replicase NSP15, N-terminal oligomerizationDomain
IPR044330Nonstructural protein 15, N-terminal domain, alpha/beta-coronavirusDomain
IPR041679DNA2/NAM7 helicase-like, C-terminalDomain
IPR024375Non-structural protein NSP3, SUD-M domain, betacoronavirusDomain
IPR014828Non-structural protein NSP7, coronavirusDomain
IPR043503Papain-like viral protease, palm and finger domains, coronavirusHomologous Superfamily
IPR014829Non-structural protein NSP8, coronavirusDomain
IPR036499Non-structural protein NSP9 superfamily, coronavirusHomologous Superfamily
IPR029063S-adenosyl-L-methionine-dependent methyltransferase superfamilyHomologous Superfamily
IPR044389Non-structural protein 2, SARS-CoV-likeDomain
IPR043502DNA/RNA polymerase superfamilyHomologous Superfamily
IPR008740Peptidase C30, coronavirusDomain
IPR036333RNA synthesis protein NSP10 superfamily, coronavirusHomologous Superfamily
IPR047573Non-structural protein 2, middle domain, coronavirusDomain
IPR049894Coronavirus NSP3, 3Ecto domainDomain
IPR043472Macro domain-likeHomologous Superfamily
IPR043609NendoU domain, nidovirusDomain
IPR032592Non-structural protein NSP3, nucleic acid-binding domain, betacoronavirusDomain
IPR043613Non-structural protein 2, C-terminal domain, coronavirusDomain
IPR038083Non-structural protein NSP3A domain-like superfamilyHomologous Superfamily
IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
IPR044351RNA-dependent RNA polymerase, SARS-CoV-likeDomain
IPR024358Non-structural protein NSP3, N-terminal, betacoronavirusDomain
IPR048673Nonstructural protein 13, stalk domain, coronavirusDomain
IPR046435NSP14, guanine-N7-methyltransferase domain, coronavirusDomain
IPR009469RNA-dependent RNA polymerase, N-terminal, coronavirusDomain
IPR043611Coronavirus replicase NSP3, C-terminalDomain
IPR044864Non-structural protein NSP3, SUD-N (Mac2) domain, betacoronavirusDomain
IPR047566Coronavirus replicase NSP3, Y domainDomain
IPR048672Nonstructural protein 13, zinc-binding domain, coronavirusDomain
IPR043612Non-structural protein NSP4, N-terminal, coronavirusDomain
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
IPR043608Nonstructural protein 15, middle domain, coronavirusDomain
IPR044353NSP3, second ubiquitin-like (Ubl) domain, coronavirusDomain
IPR037204Non-structural protein NSP7 superfamily, coronavirusHomologous Superfamily
IPR044374Non-structural protein 3, SUD-N macrodomain, SARS-CoVDomain
IPR046443NSP1, globular domain, alpha/betacoronavirusDomain
IPR043610Non-structural protein 6, coronavirusDomain
IPR027351(+) RNA virus helicase core domainDomain
IPR044322Nonstructural protein 15, middle domain, alpha/betacoronavirusDomain
IPR009461Non-structural protein NSP16, coronavirus-likeDomain
IPR043477Peptidase C30, domain 3, coronavirusHomologous Superfamily
IPR043478Non-structural protein NSP3, SUD-N (Mac2) domain superfamily, betacoronavirusHomologous Superfamily
IPR038400Non-structural protein NSP3, SUD-M domain superfamily, betacoronavirusHomologous Superfamily
IPR046442NSP1, C-terminal domain, betacoronavirusDomain
IPR001205RNA-directed RNA polymerase, C-terminal domainDomain
IPR044401NSP15, NendoU domain, coronavirusDomain
IPR014822Non-structural protein NSP9, coronavirusDomain
IPR038030NSP1 globular domain superfamily, betacoronavirusHomologous Superfamily
IPR021590NSP1, globular domain, betacoronavirusDomain
IPR044367Non-structural protein 6, betacoronavirusDomain
IPR037230Non-structural protein NSP8 superfamily, coronavirusHomologous Superfamily
IPR046440Arterivirus Nsp11 N-terminal/Coronavirus NSP15 middle domainDomain
IPR032505Non-structural protein NSP4, C-terminal, coronavirusDomain
IPR046438Nidovirus 2-O-methyltransferaseDomain
IPR002589Macro domainDomain
IPR047567Non-structural protein NSP3, group 2-specific marker domain, betacoronavirusDomain
IPR044371Non-structural protein 3, X-domain-likeDomain
IPR007094RNA-directed RNA polymerase, catalytic domainDomain

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
B [auth H]ACE RESIDAA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354

PSI-MOD :  N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359
B [auth H]ECC Parent Component: GLN

RESIDAA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354