eF-site ID 1quz_16-A PDB Code 1quz Model 16 Chain A click to enlarge Title Solution structure of the potassium channel scorpion toxin HSTX1 Classification TOXIN Compound HSTX1 TOXIN Source null (SCK1_HETSP) Sequence A:  ASCRTPKDCADPCRKETGCPYGKCMNRKCKCNRCX Description Functional site 1) chain A residue 33 type sequence R description BINDING SITE FOR RESIDUE NH2 A 35 source : AC1 2) chain A residue 34 type sequence C description BINDING SITE FOR RESIDUE NH2 A 35 source : AC1 3) chain A residue 21 type SITE sequence Y description Important for activity => ECO:0000305|PubMed:10631983 source Swiss-Prot : SWS_FT_FI1 4) chain A residue 25 type SITE sequence M description Important for activity => ECO:0000305|PubMed:10631983 source Swiss-Prot : SWS_FT_FI1 5) chain A residue 26 type SITE sequence N description Important for activity => ECO:0000305|PubMed:10631983 source Swiss-Prot : SWS_FT_FI1 6) chain A residue 33 type SITE sequence R description Important for activity => ECO:0000305|PubMed:10631983 source Swiss-Prot : SWS_FT_FI1 7) chain A residue 23 type SITE sequence K description Critical for activity (is inserted in the pore, pointing downward) => ECO:0000305|PubMed:10631983 source Swiss-Prot : SWS_FT_FI2 8) chain A residue 34 type MOD_RES sequence C description Cysteine amide => ECO:0000269|PubMed:9359871 source Swiss-Prot : SWS_FT_FI3 9) chain A residue 9-31 type prosite sequence CADPCRKETGCPYGKCMNRKCKC description SCORP_SHORT_TOXIN Scorpion short toxins signature. CadpCrketgcpy.GKCMnrkCkC source prosite : PS01138

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