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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1nlna_ Alpha and beta proteins (a+b) Cysteine proteinases Cysteine proteinases Adenain-like Human adenovirus 2 proteinase, adenain (Human adenovirus 2 ) [TaxId: 10515 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyAdenain-like 8024533 4000883 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyCysteine proteinases 8036912 3001808 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APeptidase_C5e1nlnA1 A: a+b complex topologyX: Cysteine proteinases-likeH: Cysteine proteinases (From Topology)T: Cysteine proteinasesF: Peptidase_C5ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.395.10 Alpha Beta 3-Layer(aba) Sandwich Adenoviral Proteinase ChainCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00770Adenovirus endoprotease (Peptidase_C5)Adenovirus endoproteaseThis family of adenovirus thiol endoproteases specifically cleave Gly-Ala peptides in viral precursor peptides.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Adenain
PVIC-

InterPro: Protein Family Classification InterPro Database Homepage

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

ChainsEnzyme NameDescriptionCatalytic Residues
adenain  M-CSA #679

Human adenovirus proteinase is a cysteine proteinase required for the synthesis of infectious virus. Cofactors discovered include viral DNA, or a short oligopeptide which the enzyme itself cleaves out. The enzyme cleaves specific Gly-Ala peptides in a number of viral precursor proteins, and also cleaves host cell cytoskeleton keratins. The structure and mechanism of this enzyme suggest convergent evolution to give a catalytic mechanism similar to papain.

Defined by 4 residues: HIS:A-54GLU:A-71GLN:A-115CYS:A-122
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