1XTA | pdb_00001xta

Crystal Structure of Natrin, a snake venom CRISP from Taiwan cobra (Naja atra)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d1xtab1	Alpha and beta proteins (a+b)	PR-1-like	PR-1-like	PR-1-like	automated matches	(Naja atra ) [TaxId: 8656 ],	SCOPe (2.08)
B	d1xtab2	Small proteins	Crisp domain-like	Crisp domain-like	automated matches	automated matches	(Naja atra ) [TaxId: 8656 ],	SCOPe (2.08)
A	d1xtaa1	Alpha and beta proteins (a+b)	PR-1-like	PR-1-like	PR-1-like	automated matches	(Naja atra ) [TaxId: 8656 ],	SCOPe (2.08)
A	d1xtaa2	Small proteins	Crisp domain-like	Crisp domain-like	automated matches	automated matches	(Naja atra ) [TaxId: 8656 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	CAP_1	e1xtaB1	A: a+b three layers	X: PR-1-like (From Topology)	H: PR-1-like (From Topology)	T: PR-1-like	F: CAP_1	ECOD (1.6)
B	Crisp	e1xtaB2	A: few secondary structure elements	X: Sea anemone toxin k-like	H: Sea anemone toxin k-related (From Topology)	T: Sea anemone toxin k-related	F: Crisp	ECOD (1.6)
A	CAP_1	e1xtaA1	A: a+b three layers	X: PR-1-like (From Topology)	H: PR-1-like (From Topology)	T: PR-1-like	F: CAP_1	ECOD (1.6)
A	Crisp	e1xtaA2	A: few secondary structure elements	X: Sea anemone toxin k-like	H: Sea anemone toxin k-related (From Topology)	T: Sea anemone toxin k-related	F: Crisp	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.33.10	Alpha Beta	3-Layer(aba) Sandwich	Pathogenesis-related Protein p14a	CAP	CATH (4.2.0)
B	1.10.10.740	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Crisp domain	CATH (4.2.0)
A	3.40.33.10	Alpha Beta	3-Layer(aba) Sandwich	Pathogenesis-related Protein p14a	CAP	CATH (4.2.0)
A	1.10.10.740	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Crisp domain	CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Natrin 1	potassium channel regulator activity channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity calcium channel regulator activity toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013871	Cysteine-rich secretory protein	Domain
A, B	IPR003582	ShKT domain	Domain
A, B	IPR014044	CAP domain	Domain
A, B	IPR035940	CAP superfamily	Homologous Superfamily
A, B	IPR042076	Crisp-like domain	Homologous Superfamily
A, B	IPR034117	Cysteine-rich secretory protein, SCP domain	Domain
A, B	IPR001283	Cysteine-rich secretory protein-related	Family
A, B	IPR018244	Allergen V5/Tpx-1-related, 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.