Annotations: 4KYP

Beta-Scorpion Toxin folded in the periplasm of E.coli

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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)
D	d4kypd_	Small proteins	Knottins (small inhibitors, toxins, lectins)	Scorpion toxin-like	Long-chain scorpion toxins	automated matches	Scorpion (Hottentotta judaicus ) [TaxId: 6863 ],	SCOPe (2.08)
C	d4kypc_	Small proteins	Knottins (small inhibitors, toxins, lectins)	Scorpion toxin-like	Long-chain scorpion toxins	automated matches	Scorpion (Hottentotta judaicus ) [TaxId: 6863 ],	SCOPe (2.08)
B	d4kypb_	Small proteins	Knottins (small inhibitors, toxins, lectins)	Scorpion toxin-like	Long-chain scorpion toxins	automated matches	Scorpion (Hottentotta judaicus ) [TaxId: 6863 ],	SCOPe (2.08)
A	d4kypa_	Small proteins	Knottins (small inhibitors, toxins, lectins)	Scorpion toxin-like	Long-chain scorpion toxins	automated matches	Scorpion (Hottentotta judaicus ) [TaxId: 6863 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Scorpion toxin-like	8038171	3000309	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Scorpion toxin-like	8038171	3000309	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Scorpion toxin-like	8038171	3000309	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Scorpion toxin-like	8038171	3000309	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)
D	Ribosomal_S13_N	e4kypD1	A: beta barrels	X: DEATH domain	H: 40S ribosomal protein S13 N-terminal domain	T: 40S ribosomal protein S13 N-terminal domain	F: Ribosomal_S13_N	ECOD (v294.2)
C	NusG_II	e4kypC1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: NusG_II	ECOD (v294.2)
B	Ribosomal_S13_N	e4kypB1	A: beta barrels	X: DEATH domain	H: 40S ribosomal protein S13 N-terminal domain	T: 40S ribosomal protein S13 N-terminal domain	F: Ribosomal_S13_N	ECOD (v294.2)
A	Ribosomal_S13_N	e4kypA1	A: beta barrels	X: DEATH domain	H: 40S ribosomal protein S13 N-terminal domain	T: 40S ribosomal protein S13 N-terminal domain	F: Ribosomal_S13_N	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (4.3.0)
C	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (4.3.0)
B	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (4.3.0)
A	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Beta-insect excitatory toxin Bj-xtrIT	molecular function inhibitor activity sodium channel inhibitor activity channel regulator activity transporter inhibitor activity ion channel regulator activity ion channel inhibitor activity molecular function regulator activity sodium channel regulator activity transporter regulator activity channel inhibitor activity toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036574	Knottin, scorpion toxin-like superfamily	Homologous Superfamily
A, B, C, D	IPR002061	Scorpion long chain toxin/defensin	Family
A, B, C, D	IPR044062	LCN-type cysteine-stabilized alpha/beta (CS-alpha/beta) domain	Domain

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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.