4XCI

Crystal structure of a hexadecameric TF55 complex from S. solfataricus, crystal form II

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	Cpn60_TCP1_1st	e4xciB3	A: alpha bundles	X: GroEL equatorial domain-like (From Topology)	H: GroEL equatorial domain-like (From Topology)	T: GroEL equatorial domain-like	F: Cpn60_TCP1_1st	ECOD (1.6)
A [auth B]	Cpn60_TCP1_2nd	e4xciB2	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: Cpn60_TCP1_2nd	ECOD (1.6)
A [auth B]	Cpn60_TCP1_2nd_1	e4xciB1	A: mixed a+b and a/b	X: Zincin-like	H: GroEL-intermediate domain like (From Topology)	T: GroEL-intermediate domain like	F: Cpn60_TCP1_2nd_1	ECOD (1.6)
B [auth A]	Cpn60_TCP1_1st	e4xciA1	A: alpha bundles	X: GroEL equatorial domain-like (From Topology)	H: GroEL equatorial domain-like (From Topology)	T: GroEL equatorial domain-like	F: Cpn60_TCP1_1st	ECOD (1.6)
B [auth A]	Cpn60_TCP1_2nd_1	e4xciA2	A: mixed a+b and a/b	X: Zincin-like	H: GroEL-intermediate domain like (From Topology)	T: GroEL-intermediate domain like	F: Cpn60_TCP1_2nd_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	1.10.560.10	Mainly Alpha	Orthogonal Bundle	GROEL	domain 1	CATH (4.3.0)
A [auth B]	3.30.260.10	Alpha Beta	2-Layer Sandwich	GROEL	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF00118	TCP-1/cpn60 chaperonin family (Cpn60_TCP1)	TCP-1/cpn60 chaperonin family	-	Family
B [auth A]	PF00118	TCP-1/cpn60 chaperonin family (Cpn60_TCP1)	TCP-1/cpn60 chaperonin family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Thermosome subunit beta	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding unfolded protein binding protein binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity ATP-dependent protein folding chaperone protein folding chaperone identical protein binding	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process	-
B [auth A]	Thermosome subunit alpha	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity unfolded protein binding protein binding ATP-dependent protein folding chaperone protein folding chaperone	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR027413	GroEL-like equatorial domain superfamily	Homologous Superfamily
A [auth B]	IPR017998	Chaperone tailless complex polypeptide 1 (TCP-1)	Family
A [auth B]	IPR027410	TCP-1-like chaperonin intermediate domain superfamily	Homologous Superfamily
A [auth B]	IPR012714	Thermosome, archaeal	Family
A [auth B]	IPR002194	Chaperonin TCP-1, conserved site	Conserved Site
A [auth B]	IPR027409	GroEL-like apical domain superfamily	Homologous Superfamily
A [auth B]	IPR002423	Chaperonin Cpn60/GroEL/TCP-1 family	Family
B [auth A]	IPR027413	GroEL-like equatorial domain superfamily	Homologous Superfamily
B [auth A]	IPR017998	Chaperone tailless complex polypeptide 1 (TCP-1)	Family
B [auth A]	IPR027410	TCP-1-like chaperonin intermediate domain superfamily	Homologous Superfamily
B [auth A]	IPR002194	Chaperonin TCP-1, conserved site	Conserved Site
B [auth A]	IPR027409	GroEL-like apical domain superfamily	Homologous Superfamily
B [auth A]	IPR012714	Thermosome, archaeal	Family
B [auth A]	IPR002423	Chaperonin Cpn60/GroEL/TCP-1 family	Family

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.