ACR2A_ACTEQ
ID ACR2A_ACTEQ Reviewed; 83 AA.
AC Q3C255;
DT 21-MAR-2006, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 25-MAY-2022, entry version 31.
DE RecName: Full=U-actitoxin-Aeq6b {ECO:0000303|PubMed:22683676};
DE Short=U-AITX-Aeq6b {ECO:0000303|PubMed:22683676};
DE AltName: Full=Acrorhagin IIa {ECO:0000303|PubMed:16183092};
DE AltName: Full=Acrorhagin-2a {ECO:0000305};
DE Flags: Precursor;
OS Actinia equina (Beadlet anemone).
OC Eukaryota; Metazoa; Cnidaria; Anthozoa; Hexacorallia; Actiniaria;
OC Actiniidae; Actinia.
OX NCBI_TaxID=6106;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], AMIDATION AT PRO-82, AND TISSUE SPECIFICITY.
RX PubMed=16183092; DOI=10.1016/j.toxicon.2005.08.003;
RA Honma T., Minagawa S., Nagai H., Ishida M., Nagashima Y., Shiomi K.;
RT "Novel peptide toxins from acrorhagi, aggressive organs of the sea anemone
RT Actinia equina.";
RL Toxicon 46:768-774(2005).
RN [2]
RP NOMENCLATURE.
RX PubMed=22683676; DOI=10.1016/j.toxicon.2012.05.020;
RA Oliveira J.S., Fuentes-Silva D., King G.F.;
RT "Development of a rational nomenclature for naming peptide and protein
RT toxins from sea anemones.";
RL Toxicon 60:539-550(2012).
CC -!- FUNCTION: Toxin. {ECO:0000250|UniProtKB:Q3C256}.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305}. Nematocyst {ECO:0000305}.
CC -!- TISSUE SPECIFICITY: Expressed by acrorhagi.
CC {ECO:0000269|PubMed:16183092}.
CC -!- PTM: Contains 3 disulfide bonds. {ECO:0000305}.
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DR EMBL; AB212069; BAE46984.1; -; mRNA.
DR AlphaFoldDB; Q3C255; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0042151; C:nematocyst; IEA:UniProtKB-SubCell.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
PE 1: Evidence at protein level;
KW Amidation; Cleavage on pair of basic residues; Disulfide bond; Nematocyst;
KW Secreted; Signal; Toxin.
FT SIGNAL 1..20
FT /evidence="ECO:0000255"
FT PROPEP 21..36
FT /evidence="ECO:0000250|UniProtKB:Q3C256"
FT /id="PRO_0000228115"
FT CHAIN 39..82
FT /note="U-actitoxin-Aeq6b"
FT /id="PRO_0000228116"
FT MOD_RES 82
FT /note="Proline amide"
FT /evidence="ECO:0000305|PubMed:16183092"
SQ SEQUENCE 83 AA; 9096 MW; 65F528C27BF48E93 CRC64;
MIYKAVFVCL VLVLLGDVFC SPRNSGGGTL NDNPFEKRTD CRFVGAKCTK ANNPCVGKVC
NGYQLYCPVD DDHCIMKLTF IPG