3SOFA_NAJAT
ID 3SOFA_NAJAT Reviewed; 83 AA.
AC Q91126; O13173; O13230;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 25-MAY-2022, entry version 83.
DE RecName: Full=Cardiotoxin 7a {ECO:0000312|EMBL:AAB03220.1, ECO:0000312|EMBL:AAB36929.1};
DE Flags: Precursor;
OS Naja atra (Chinese cobra).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC Serpentes; Colubroidea; Elapidae; Elapinae; Naja.
OX NCBI_TaxID=8656;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Venom gland;
RA Chu R.C., Yang C.-C.;
RL Submitted (NOV-1996) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Has low cytotoxic activity. {ECO:0000250|UniProtKB:P14541}.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250|UniProtKB:P62375}. Target
CC cell membrane {ECO:0000250|UniProtKB:P62375}.
CC -!- TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000305}.
CC -!- MISCELLANEOUS: Is classified as a P-type cytotoxin, since a proline
CC residue stands at position 52 (Pro-31 in standard classification).
CC {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the snake three-finger toxin family. Short-chain
CC subfamily. Orphan group XV sub-subfamily. {ECO:0000305}.
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DR EMBL; U58518; AAB03220.1; -; mRNA.
DR EMBL; U77489; AAB36929.1; -; mRNA.
DR AlphaFoldDB; Q91126; -.
DR BMRB; Q91126; -.
DR SMR; Q91126; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR CDD; cd00206; snake_toxin; 1.
DR Gene3D; 2.10.60.10; -; 1.
DR InterPro; IPR003572; Cytotoxin_Cobra.
DR InterPro; IPR003571; Snake_3FTx.
DR InterPro; IPR045860; Snake_toxin-like_sf.
DR InterPro; IPR018354; Snake_toxin_con_site.
DR InterPro; IPR035076; Toxin/TOLIP.
DR Pfam; PF00087; Toxin_TOLIP; 1.
DR PRINTS; PR00282; CYTOTOXIN.
DR SUPFAM; SSF57302; SSF57302; 1.
DR PROSITE; PS00272; SNAKE_TOXIN; 1.
PE 3: Inferred from homology;
KW Disulfide bond; Membrane; Secreted; Signal; Target cell membrane;
KW Target membrane; Toxin.
FT SIGNAL 1..21
FT /evidence="ECO:0000250"
FT CHAIN 22..83
FT /note="Cardiotoxin 7a"
FT /id="PRO_0000035383"
FT DISULFID 24..43
FT /evidence="ECO:0000250|UniProtKB:P60301"
FT DISULFID 36..61
FT /evidence="ECO:0000250|UniProtKB:P60301"
FT DISULFID 65..76
FT /evidence="ECO:0000250|UniProtKB:P60301"
FT DISULFID 77..82
FT /evidence="ECO:0000250|UniProtKB:P60301"
SQ SEQUENCE 83 AA; 9319 MW; 34D396A474C851DD CRC64;
MKTLLLTLVV VTIVCLDLGY TLKCHNTQLP FIYKTCPEGK NLCFKATLKK FPLKFPVKRG
CADNCPKNSA LLKYVCCSTE KCN