Annotations: 1P9U

Coronavirus Main Proteinase (3CLpro) Structure: Basis for Design of anti-SARS Drugs

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F	d1p9uf_	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)
E	d1p9ue_	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)
D	d1p9ud_	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)
C	d1p9uc_	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)
B	d1p9ub_	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)
A	d1p9ua_	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: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	PsaA_PsaB	e1p9uF1	A: alpha arrays	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v295.2)
E	PsaA_PsaB	e1p9uE1	A: alpha arrays	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v295.2)
D	PsaA_PsaB	e1p9uD1	A: alpha arrays	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v295.2)
C	PsaA_PsaB	e1p9uC1	A: alpha arrays	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v295.2)
B	PsaA_PsaB	e1p9uB1	A: alpha arrays	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v295.2)
A	PsaA_PsaB	e1p9uA1	A: alpha arrays	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
F	1.10.1840.10	Mainly Alpha	Orthogonal Bundle	main proteinase (3clpro) structure, domain 3	main proteinase (3clpro) structure, domain 3	CATH (4.3.0)
E	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
E	1.10.1840.10	Mainly Alpha	Orthogonal Bundle	main proteinase (3clpro) structure, domain 3	main proteinase (3clpro) structure, domain 3	CATH (4.3.0)
D	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
D	1.10.1840.10	Mainly Alpha	Orthogonal Bundle	main proteinase (3clpro) structure, domain 3	main proteinase (3clpro) structure, domain 3	CATH (4.3.0)
C	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
C	1.10.1840.10	Mainly Alpha	Orthogonal Bundle	main proteinase (3clpro) structure, domain 3	main proteinase (3clpro) structure, domain 3	CATH (4.3.0)
B	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
B	1.10.1840.10	Mainly Alpha	Orthogonal Bundle	main proteinase (3clpro) structure, domain 3	main proteinase (3clpro) structure, domain 3	CATH (4.3.0)
A	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
A	1.10.1840.10	Mainly Alpha	Orthogonal Bundle	main proteinase (3clpro) structure, domain 3	main proteinase (3clpro) structure, domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF05409	Coronavirus endopeptidase C30 (Peptidase_C30)	Coronavirus endopeptidase C30	-	Family