Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyTrypsin-like serine proteases8034646 3000114 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyTrypsin-like serine proteases8034646 3000114 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APeptidase_C3e2bhgA1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrel 2F: Peptidase_C3ECOD (1.6)
BPeptidase_C3e2bhgB1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrel 2F: Peptidase_C3ECOD (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)
B2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF005483C cysteine protease (picornain 3C) (Peptidase_C3)3C cysteine protease (picornain 3C)- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
FOOT-AND-MOUTH DISEASE VIRUS 3C PROTEASE

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
picornain 3C  M-CSA #763

Foot-and-Mouth Disease Virus (FMDV) causes an economically devastating disease of domestic livestock. The viral RNA is translated as a single polypeptide precursor and must be cleaved into functional proteins by virally encoded proteases. 10 of the 13 cleavages are performed by the highly conserved FMDV 3C Protease. Foot-and-Mouth Disease 3C Protease (this entry) catalyses 3 different reactions. It is an RNA polymerase, selectively cleaves Xaa-Gln and Xaa-Glu amide bonds and autocatalytically cleaves itself from the polyprotein of the foot-and-mouth disease virus by hydrolysis of a Lys-Gly amide bond. It can also cleave host cell initiation factor eIF-4G at amide bonds Gly-Arg and Lys-Arg.

Defined by 4 residues: HIS:A-47 [auth A-46]ASP:A-85 [auth A-84]ALA:A-164 [auth A-163]SER:A-183 [auth A-182]
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