eF-site ID 1ttl_12-A PDB Code 1ttl Model 12 Chain A click to enlarge Title Omega-conotoxin GVIA, a N-type calcium channel blocker Classification TOXIN Compound Omega-conotoxin GVIA Source ORGANISM_COMMON: geography cone; ORGANISM_SCIENTIFIC: Conus geographus; Sequence A:  CKSXGSSCSXTSYNCCRSCNXYTKRCYX Description (1)  Omega-conotoxin GVIA Functional site 1) chain A residue 3 type sequence S description BINDING SITE FOR RESIDUE NH2 A 28 source : AC1 2) chain A residue 27 type sequence Y description BINDING SITE FOR RESIDUE NH2 A 28 source : AC1 3) chain A residue 1-26 type prosite sequence CKSXGSSCSXTSYNCCRSCNXYTKRC description OMEGA_CONOTOXIN Omega-conotoxin family signature. CKspGsSCSpt...SYnCCR..SCnpyTKRC source prosite : PS60004 4) chain A residue 4 type MOD_RES sequence X description 4-hydroxyproline => ECO:0000269|PubMed:6509012 source Swiss-Prot : SWS_FT_FI1 5) chain A residue 10 type MOD_RES sequence X description 4-hydroxyproline => ECO:0000269|PubMed:6509012 source Swiss-Prot : SWS_FT_FI1 6) chain A residue 21 type MOD_RES sequence X description 4-hydroxyproline => ECO:0000269|PubMed:6509012 source Swiss-Prot : SWS_FT_FI1 7) chain A residue 27 type MOD_RES sequence Y description Tyrosine amide; in form omega-conotoxin GVIA => ECO:0000269|PubMed:6509012 source Swiss-Prot : SWS_FT_FI2

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