Annotations: 8SXP

Crystal structure of long neurotoxin from the venom of the king cobra (3FTx-L15) in complex with Fab of broadly neutralizing antibody 95Mat5

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth C]	SCOP2B Superfamily	Snake toxin-like	8038474	3000545	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)
C [auth H]	Dynamin_N	e8sxpH01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Dynamin_N	ECOD (v294.2)
B [auth C]	Dynamin_N	e8sxpC01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Dynamin_N	ECOD (v294.2)
A [auth L]	Dynamin_N	e8sxpL01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Dynamin_N	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H]	Heavy Chain	IGHV1	-	long neurotoxin 2	SAbDab (2026-05-22)
A [auth L]	Light Chain	IGKV1	Kappa	long neurotoxin 2	SAbDab (2026-05-22)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H]	95Mat5 Fab heavy chain	-	-	-
B [auth C]	Long neurotoxin 2	channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity neurotransmitter receptor regulator activity acetylcholine receptor regulator activity molecular function inhibitor activity acetylcholine receptor inhibitor activity signaling receptor inhibitor activity signaling receptor regulator activity toxin activity	-	cellular anatomical structure extracellular region
A [auth L]	95Mat5 Fab light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth C]	IPR018354	Snake toxin, conserved site	Conserved Site
B [auth C]	IPR045860	Snake toxin-like superfamily	Homologous Superfamily
B [auth C]	IPR054131	Snake toxin cobra-type	Family
B [auth C]	IPR003571	Snake three-finger toxin	Family

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