Annotations: 5LAK

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF17222	e5lakA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: PF17222	ECOD (1.6)
A	PF17222	e5lakA2	A: alpha arrays	X: 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 domain	F: PF17222	ECOD (1.6)
B	PF17222	e5lakB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: PF17222	ECOD (1.6)
B	PF17222	e5lakB2	A: alpha arrays	X: 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 domain	F: PF17222	ECOD (1.6)
C	PF17222	e5lakC2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: PF17222	ECOD (1.6)
C	PF17222	e5lakC1	A: alpha arrays	X: 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 domain	F: PF17222	ECOD (1.6)
D	PF17222	e5lakD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: PF17222	ECOD (1.6)
D	PF17222	e5lakD2	A: alpha arrays	X: 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 domain	F: PF17222	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF17222	Viral cysteine endopeptidase C107 (Peptidase_C107)	Viral cysteine endopeptidase C107	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	3Cl Protease	RNA methyltransferase activity O-methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid mRNA (nucleoside-2'-O-)-methyltransferase activity transferase activity S-adenosylmethionine-dependent methyltransferase activity methyltransferase activity catalytic activity mRNA methyltransferase activity 5'-3' RNA polymerase activity RNA polymerase activity RNA-dependent RNA polymerase activity RNA methyltransferase activity O-methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid mRNA (nucleoside-2'-O-)-methyltransferase activity transferase activity S-adenosylmethionine-dependent methyltransferase activity methyltransferase activity catalytic activity mRNA methyltransferase activity 5'-3' RNA polymerase activity RNA polymerase activity RNA-dependent RNA polymerase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity endopeptidase activity 3'-5'-RNA exonuclease activity RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds exonuclease activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	-	membrane cellular anatomical entity
E [auth I], F [auth J], G [auth K]	BEZ-TYR-TYR-ASN-ECC Peptide inhibitor	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR046438	Nidovirus 2-O-methyltransferase	Domain
A, B, C, D	IPR027352	Nonstructural protein 13, zinc-binding domain, coronavirus-like	Domain
A, B, C, D	IPR045055	DNA2/NAM7-like helicase	Family
A, B, C, D	IPR033777	Viral cysteine endopeptidase C107	Family
A, B, C, D	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A, B, C, D	IPR041679	DNA2/NAM7 helicase-like, C-terminal	Domain
A, B, C, D	IPR046436	Nidovirus 3'-5' exoribonuclease domain	Domain
A, B, C, D	IPR038599	LAP1C-like, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR047187	Upf1-like, C-terminal helicase domain	Domain
A, B, C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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 R01GM133198.