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5I5B

quasi racemic structure of allo-Thr13-ShK and D-ShK

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0015459molecular_functionpotassium channel regulator activity
A0035821biological_processmodulation of process of another organism
A0042151cellular_componentnematocyst
A0042742biological_processdefense response to bacterium
A0090729molecular_functiontoxin activity
A0099106molecular_functionion channel regulator activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue SO4 A 101
ChainResidue
ASER20
AMET21
ALYS22
BDAR11
BDAR29
BHOH215
BHOH240
BHOH241

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 102
ChainResidue
AARG24
AHOH203
AHOH208
AHOH230
BDLY18
AARG1

site_idAC3
Number of Residues7
Detailsbinding site for residue SO4 A 103
ChainResidue
APRO8
ALYS9
ASER10
APHE15
AHOH201
AHOH247
BHOH233

site_idAC4
Number of Residues5
Detailsbinding site for residue LI A 104
ChainResidue
ATYR23
AHOH207
BDTH6
BDIL7
BDHI19

site_idAC5
Number of Residues4
Detailsbinding site for residue LI A 105
ChainResidue
AARG11
AHOH240
AHOH244
BGOL102

site_idAC6
Number of Residues9
Detailsbinding site for residue SO4 B 101
ChainResidue
AARG11
AARG29
AHOH221
AHOH236
AHOH240
AHOH248
BDSN20
BMED21
BDLY22

site_idAC7
Number of Residues8
Detailsbinding site for residue GOL B 102
ChainResidue
ASER2
ATHR6
AMET21
ALI105
AHOH213
AHOH218
BHOH206
BHOH213

site_idAC8
Number of Residues5
Detailsbinding site for residue LI B 103
ChainResidue
BDSN2
BDCY3
BDCY35
BHOH226
BHOH247

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues5
DetailsSite: {"description":"Important residue for binding Kv1.3/KCNA3","evidences":[{"source":"PubMed","id":"26288216","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsSite: {"description":"Important residue for binding Kv1.3/KCNA3","evidences":[{"source":"PubMed","id":"8645244","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Important residue for binding Kv1.3/KCNA3","evidences":[{"source":"PubMed","id":"26288216","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8645244","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Key residue for binding both Kv1.2/KCNA2 and Kv1.3/KCNA3 (occludes the channel pore like a cork in a bottle)","evidences":[{"source":"PubMed","id":"26288216","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8645244","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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