Annotations: 1KY9

Crystal Structure of DegP (HtrA)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ky9b1	All beta proteins	PDZ domain-like	PDZ domain-like	HtrA-like serine proteases	Protease Do (DegP, HtrA), C-terminal domains	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1ky9b3	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Prokaryotic proteases	Protease Do (DegP, HtrA), catalytic domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ky9a1	All beta proteins	PDZ domain-like	PDZ domain-like	HtrA-like serine proteases	Protease Do (DegP, HtrA), C-terminal domains	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ky9a2	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Prokaryotic proteases	Protease Do (DegP, HtrA), catalytic domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Trypsin-like serine proteases	8040753	3000114	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PDZ domain-like	8040752	3000388	SCOP2B (2022-06-29)
A	SCOP2 Family	HtrA-like serine proteases	8028373	4002154	SCOP2 (2022-06-29)
A	SCOP2 Family	Prokaryotic proteases	8028374	4002151	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PDZ domain-like	8040752	3000388	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Trypsin-like serine proteases	8040753	3000114	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PDZ_6	e1ky9B3	A: beta barrels	X: PDZ domain	H: PDZ domain	T: PDZ domain	F: PDZ_6	ECOD (v295.2)
B	Trypsin	e1ky9B1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Trypsin	ECOD (v295.2)
B	Rhv	e1ky9B2	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
A	Trypsin	e1ky9A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Trypsin	ECOD (v295.2)
A	PDZ_6	e1ky9A2	A: beta barrels	X: PDZ domain	H: PDZ domain	T: PDZ domain	F: PDZ_6	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
B	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (4.3.0)
A	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
A	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13365	Trypsin-like peptidase domain (Trypsin_2)	Trypsin-like peptidase domain	This family includes trypsin-like peptidase domains.	Domain
A, B	PF00595	PDZ domain (PDZ)	PDZ domain	PDZ domains are found in diverse signaling proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEASE DO	peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity endopeptidase activity identical protein binding protein binding binding	protein folding biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process protein maturation response to oxidative stress response to stimulus response to stress proteolysis protein folding biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process protein maturation response to oxidative stress response to stimulus response to stress proteolysis response to heat response to abiotic stimulus response to temperature stimulus catabolic process protein catabolic process protein quality control for misfolded or incompletely synthesized proteins macromolecule catabolic process	cell periphery cellular anatomical structure plasma membrane membrane extracellular region periplasmic space outer membrane-bounded periplasmic space cell envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011782	Peptidase S1C, Do-like	Family
A, B	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B	IPR001940	Peptidase S1C	Family
A, B	IPR036034	PDZ superfamily	Homologous Superfamily
A, B	IPR001478	PDZ domain	Domain