4QQQ | pdb_00004qqq

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)

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)

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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Pneumolysin	sterol binding 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	cellular anatomical structure membrane host cell plasma membrane host cellular component host cell part host cell membrane other organism part extracellular region

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

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 U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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