ID 3NO25_NAJNA Reviewed; 62 AA. AC P29179; DT 01-DEC-1992, integrated into UniProtKB/Swiss-Prot. DT 01-DEC-1992, sequence version 1. DT 02-OCT-2024, entry version 92. DE RecName: Full=Weak neurotoxin 5 {ECO:0000305|PubMed:2060629}; OS Naja naja (Indian cobra). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera; OC Serpentes; Colubroidea; Elapidae; Elapinae; Naja. OX NCBI_TaxID=35670; RN [1] RP PROTEIN SEQUENCE, AND SUBCELLULAR LOCATION. RC TISSUE=Venom; RX PubMed=2060629; DOI=10.1016/0014-5793(91)80764-t; RA Shafqat J., Siddiqi A.R., Zaidi Z.H., Joernvall H.; RT "Extensive multiplicity of the miscellaneous type of neurotoxins from the RT venom of the cobra Naja naja naja and structural characterization of major RT components."; RL FEBS Lett. 284:70-72(1991). CC -!- FUNCTION: Binds with low affinity to muscular (alpha-1-beta-1-delta- CC epsilon/CHRNA1-CHRNB1-CHRND-CHRNE) and very low affinity to neuronal CC (alpha-7/CHRNA7) nicotinic acetylcholine receptor (nAChR). CC {ECO:0000250|UniProtKB:O42255}. CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:2060629}. CC -!- TISSUE SPECIFICITY: Expressed by the venom gland. CC {ECO:0000305|PubMed:2060629}. CC -!- SIMILARITY: Belongs to the snake three-finger toxin family. Ancestral CC subfamily. Orphan group II sub-subfamily. {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR PIR; S15871; S15871. DR AlphaFoldDB; P29179; -. DR SMR; P29179; -. DR Proteomes; UP000694559; Unplaced. DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell. DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW. DR CDD; cd00206; snake_toxin; 1. DR Gene3D; 2.10.60.10; CD59; 1. DR InterPro; IPR003571; Snake_3FTx. DR InterPro; IPR045860; Snake_toxin-like_sf. DR InterPro; IPR018354; Snake_toxin_con_site. DR InterPro; IPR054131; Toxin_cobra-type. DR Pfam; PF21947; Toxin_cobra-type; 1. DR SUPFAM; SSF57302; Snake toxin-like; 1. DR PROSITE; PS00272; SNAKE_TOXIN; 1. PE 1: Evidence at protein level; KW Direct protein sequencing; Disulfide bond; Reference proteome; Secreted; KW Toxin. FT CHAIN 1..62 FT /note="Weak neurotoxin 5" FT /evidence="ECO:0000269|PubMed:2060629" FT /id="PRO_0000093637" FT DISULFID 3..24 FT /evidence="ECO:0000250|UniProtKB:Q8AY51" FT DISULFID 6..11 FT /evidence="ECO:0000250|UniProtKB:Q8AY51" FT DISULFID 17..40 FT /evidence="ECO:0000250|UniProtKB:Q8AY51" FT DISULFID 44..54 FT /evidence="ECO:0000250|UniProtKB:Q8AY51" FT DISULFID 55..60 FT /evidence="ECO:0000250|UniProtKB:Q8AY51" SQ SEQUENCE 62 AA; 6943 MW; 2BA3EB6FDF2BDCF9 CRC64; LTCLICPEKY CNKVHTCLNG ENICFKRFNR ILGKRYDLGC AATCPTVKTG IVQCCSTDKC NH //