3L0R

Crystal Structure of Salivary Cystatin from the Soft Tick Ornithodoros moubata

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)
A	d3l0ra1	Alpha and beta proteins (a+b)	Cystatin-like	Cystatin/monellin	automated matches	automated matches	Soft tick (Ornithodoros moubata ) [TaxId: 6938 ],	SCOPe (2.08)
A	d3l0ra2	Artifacts	Tags	Tags	Tags	C-terminal Tags	Soft tick (Ornithodoros moubata ) [TaxId: 6938 ],	SCOPe (2.08)
B	d3l0rb1	Alpha and beta proteins (a+b)	Cystatin-like	Cystatin/monellin	automated matches	automated matches	Soft tick (Ornithodoros moubata ) [TaxId: 6938 ],	SCOPe (2.08)
B	d3l0rb2	Artifacts	Tags	Tags	Tags	C-terminal Tags	Soft tick (Ornithodoros moubata ) [TaxId: 6938 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Cystatins	8070222	4001013	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cystatin/monellin	8070223	3000441	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Cystatin/monellin	8070223	3000441	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cystatin	e3l0rA1	A: a+b two layers	X: Cystatin-like	H: Cystatin/monellin (From Topology)	T: Cystatin/monellin	F: Cystatin	ECOD (1.6)
B	Cystatin	e3l0rB1	A: a+b two layers	X: Cystatin-like	H: Cystatin/monellin (From Topology)	T: Cystatin/monellin	F: Cystatin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
B	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00031	Cystatin domain (Cystatin)	Cystatin domain	Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q1 ...	Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q10993 are found. Pfam:PF00666 are related to this family but have not been included.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cystatin-2	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity cysteine-type endopeptidase inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle organelle vesicle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000010	Cystatin domain	Domain
A, B	IPR046350	Cystatin superfamily	Homologous Superfamily
A, B	IPR018073	Proteinase inhibitor I25, cystatin, conserved site	Conserved Site

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.