5I5A

quasi racemic structure of allo-Ile7-ShK and D-ShK

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Crisp domain-like	8038869	3000917	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	ShK_like	e5i5aA1	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: ShK_like	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	D-ShK	-	-	-
A	Kappa-stichotoxin-She3a	potassium channel regulator activity channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity toxin activity	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to external stimulus response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus	cellular anatomical structure extracellular region cell periphery intracellular organelle cell cortex intracellular anatomical structure organelle membraneless organelle nematocyst intracellular membraneless organelle cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003582	ShKT domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	DAL	RESID: AA0111 , AA0191 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862
B	DAR	RESID: AA0111 , AA0191
B	DAS	RESID: AA0111 , AA0191 , AA0190 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930
B	DCY	RESID: AA0111 , AA0191 , AA0190
B	DGN	RESID: AA0111 , AA0191 , AA0190
B	DHI	RESID: AA0111 , AA0191 , AA0190
B	DIL	RESID: AA0111 , AA0191 , AA0190 , AA0192 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930 , D-allo-isoleucine MOD:00199
B	DLE	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930 , D-allo-isoleucine MOD:00199 , D-leucine MOD:00204
B	DLY	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197
B	DPN	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 , AA0194 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930 , D-allo-isoleucine MOD:00199 , D-leucine MOD:00204 , D-phenylalanine MOD:00201
B	DPR	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 , AA0194
B	DSN	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 , AA0194 , AA0195 , AA0624 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930 , D-allo-isoleucine MOD:00199 , D-leucine MOD:00204 , D-phenylalanine MOD:00201 , D-serine (Ser) MOD:00202 , D-serine MOD:00891 , D-serine (Cys) MOD:00892 , 2-(L-cystein-S-yl)-D-serine MOD:01987
B	DTH	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 , AA0194 , AA0195 , AA0624 , AA0199 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930 , D-allo-isoleucine MOD:00199 , D-leucine MOD:00204 , D-phenylalanine MOD:00201 , D-serine (Ser) MOD:00202 , D-serine MOD:00891 , D-serine (Cys) MOD:00892 , 2-(L-cystein-S-yl)-D-serine MOD:01987 , D-allo-threonine MOD:00863
B	DTY	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 , AA0194 , AA0195 , AA0624 , AA0199
B	MED	RESID: AA0111 , AA0191 , AA0190 , AA0192 , AA0197 , AA0194 , AA0195 , AA0624 , AA0199 , AA0193 PSI-MOD : meso-lanthionine MOD:00120 , D-alanine (Ala) MOD:00198 , D-alanine (Ser) MOD:00858 , D-alanine MOD:00862 , D-aspartic acid (Asp) MOD:01921 , D-aspartic acid (Asn) MOD:01930 , D-allo-isoleucine MOD:00199 , D-leucine MOD:00204 , D-phenylalanine MOD:00201 , D-serine (Ser) MOD:00202 , D-serine MOD:00891 , D-serine (Cys) MOD:00892 , 2-(L-cystein-S-yl)-D-serine MOD:01987 , D-allo-threonine MOD:00863 , D-methionine MOD:00200

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.