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1NXB

STRUCTURE AND FUNCTION OF SNAKE VENOM CURARIMIMETIC NEUROTOXINS

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0030550molecular_functionacetylcholine receptor inhibitor activity
A0035821biological_processmodulation of process of another organism
A0090729molecular_functiontoxin activity
A0099106molecular_functionion channel regulator activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 63
ChainResidue
AHOH65
AHOH129
AARG1
AILE2
AGLU58

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 64
ChainResidue
AASN5
ALYS15
AHOH82

site_idAMS
Number of Residues3
DetailsRESIDUES FORMING THE PUTATIVE ACETYLCHOLINEMIMETIC SITE
ChainResidue
AASP31
APHE32
AARG33

site_idELS
Number of Residues2
DetailsRESIDUES FORMING THE ESSENTIAL LYSINE SURFACE
ChainResidue
ALYS27
ALYS47

site_idETS
Number of Residues1
DetailsESSENTIAL TRYPTOPHAN
ChainResidue
ATRP29

Functional Information from PROSITE/UniProt
site_idPS00272
Number of Residues19
DetailsSNAKE_TOXIN Snake toxins signature. GCg..CPtvkpgikls.CCesE
ChainResidueDetails
AGLY40-GLU58

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues5
DetailsSITE: Moderately important residue for binding to acetylcholine receptor => ECO:0000250|UniProtKB:P60775
ChainResidueDetails
AGLN6
ASER9
ATYR25
APHE32
AGLY34

site_idSWS_FT_FI2
Number of Residues6
DetailsSITE: Very important residue for binding to acetylcholine receptor => ECO:0000250|UniProtKB:P60775
ChainResidueDetails
AHIS7
ATRP29
AASP31
AILE36
AGLU38
ALYS47

site_idSWS_FT_FI3
Number of Residues4
DetailsSITE: Key residue for binding to acetylcholine receptor => ECO:0000250|UniProtKB:P60775
ChainResidueDetails
ASER8
AGLN10
ALYS27
AARG33

223166

PDB entries from 2024-07-31

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