4QQQ

Crystal structure of pneumolysin from Streptococcus pneumoniae, in complex with mannose as a component of cell membrane

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4qqqa4	All beta proteins	Perfringolysin C-terminal-like	Perfringolysin C-terminal-like	Perfringolysin C-terminal-like	Pneumolysin C-terminal domain	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)
A	d4qqqa3	Membrane and cell surface proteins and peptides	Perfringolysin N-terminal-like	Perfringolysin N-terminal-like	Perfringolysin N-terminal-like	Pneumolysin N-terminal domain	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)
A	d4qqqa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Thiol_cytolys_C	e4qqqA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Perfringolysin O beta sandwich domain (From Topology)	T: Perfringolysin O beta sandwich domain	F: Thiol_cytolys_C	ECOD (1.6)
A	Thiol_cytolysin,RNAse_Pc_like	e4qqqA1	A: beta complex topology	X: Membrane attack complex/perforin (MACPF) and cholesterol-dependent cytolysin (CDC) domains (From Topology)	H: Membrane attack complex/perforin (MACPF) and cholesterol-dependent cytolysin (CDC) domains (From Topology)	T: Membrane attack complex/perforin (MACPF) and cholesterol-dependent cytolysin (CDC) domains	F: Thiol_cytolysin,RNAse_Pc_like	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.1430	Mainly Beta	Sandwich	Immunoglobulin-like	Perfringolysin, domain 4	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF17440	Thiol-activated cytolysin beta sandwich domain (Thiol_cytolys_C)	Thiol-activated cytolysin beta sandwich domain	This domain has an immunoglobulin like fold. It is found at the C-terminus of the thiol-activated cytolsin protein.	Domain
A	PF01289	Thiol-activated cytolysin (Thiol_cytolysin)	Thiol-activated cytolysin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Pneumolysin	sterol binding binding organic cyclic compound binding alcohol binding steroid binding lipid binding cholesterol binding small molecule binding toxin activity	biological process involved in interspecies interaction between organisms cellular process disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR038700	Thiol-activated cytolysin, C-terminal domain superfamily	Homologous Superfamily
A	IPR036359	Thiol-activated cytolysin superfamily	Homologous Superfamily
A	IPR035390	Thiol-activated cytolysin C-terminal	Domain
A	IPR001869	Thiol-activated cytolysin	Family
A	IPR036363	Thiol-activated cytolysin, alpha-beta domain superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Monotopic/peripheral	All beta monotopic/peripheral	Cholesterol-dependent cytolysin	Thiol-activated cytolysin

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.