5SIC

MOLECULAR RECOGNITION AT THE ACTIVE SITE OF SUBTILISIN BPN': CRYSTALLOGRAPHIC STUDIES USING GENETICALLY ENGINEERED PROTEINACEOUS INHIBITOR SSI (STREPTOMYCES SUBTILISIN INHIBITOR)


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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth E]SCOP2B SuperfamilySubtilisin-like 8042613 3000226 SCOP2B (2022-06-29)
B [auth I]SCOP2B SuperfamilySubtilisin inhibitor 8035209 3001859 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth E]Peptidase_S8e5sicE1 A: a/b three-layered sandwichesX: Subtilisin-likeH: Subtilisin-like (From Topology)T: Subtilisin-likeF: Peptidase_S8ECOD (1.6)
B [auth I]SSIe5sicI1 A: a+b two layersX: Subtilisin inhibitor (From Topology)H: Subtilisin inhibitor (From Topology)T: Subtilisin inhibitorF: SSIECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth E]3.40.50.200 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Peptidase S8/S53 domainCATH (4.3.0)
B [auth I]3.30.350.10 Alpha Beta 2-Layer Sandwich Subtilisin Inhibitor Subtilisin inhibitor-likeCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth E]PF00082Subtilase family (Peptidase_S8)Subtilase familySubtilases are a family of serine proteases. They appear to have independently and convergently evolved an Asp/Ser/His catalytic triad, like that found in the trypsin serine proteases (see Pfam:PF00089). Structure is an alpha/beta fold containing a 7 ...Subtilases are a family of serine proteases. They appear to have independently and convergently evolved an Asp/Ser/His catalytic triad, like that found in the trypsin serine proteases (see Pfam:PF00089). Structure is an alpha/beta fold containing a 7-stranded parallel beta sheet, order 2314567.
Domain
B [auth I]PF00720Subtilisin inhibitor-like (SSI)Subtilisin inhibitor-like- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth E]SUBTILISIN BPN'
B [auth I]SUBTILISIN INHIBITOR (SSI) -