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6B73

Crystal Structure of a nanobody-stabilized active state of the kappa-opioid receptor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004930molecular_functionG protein-coupled receptor activity
A0004985molecular_functionG protein-coupled opioid receptor activity
A0005506molecular_functioniron ion binding
A0007186biological_processG protein-coupled receptor signaling pathway
A0009055molecular_functionelectron transfer activity
A0016020cellular_componentmembrane
A0020037molecular_functionheme binding
A0022900biological_processelectron transport chain
A0038048molecular_functiondynorphin receptor activity
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
B0004930molecular_functionG protein-coupled receptor activity
B0004985molecular_functionG protein-coupled opioid receptor activity
B0005506molecular_functioniron ion binding
B0007186biological_processG protein-coupled receptor signaling pathway
B0009055molecular_functionelectron transfer activity
B0016020cellular_componentmembrane
B0020037molecular_functionheme binding
B0022900biological_processelectron transport chain
B0038048molecular_functiondynorphin receptor activity
B0042597cellular_componentperiplasmic space
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue CVV A 2001
ChainResidue
AGLN115
ATYR312
AILE316
AGLY319
ATYR320
AVAL134
ALEU135
AASP138
ATYR139
AMET142
ACYS210
ATRP287
AILE294

site_idAC2
Number of Residues4
Detailsbinding site for residue CLR A 2002
ChainResidue
AVAL284
AVAL285
APHE293
ATHR302

site_idAC3
Number of Residues2
Detailsbinding site for residue OLA A 2003
ChainResidue
AALA57
AILE61

site_idAC4
Number of Residues12
Detailsbinding site for residue CVV B 2001
ChainResidue
BGLN115
BVAL134
BLEU135
BASP138
BTYR139
BMET142
BCYS210
BILE294
BTYR312
BILE316
BGLY319
BTYR320

site_idAC5
Number of Residues3
Detailsbinding site for residue CLR B 2002
ChainResidue
BVAL284
BVAL285
BPHE293

Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. TSIfTLTMMSVDRYIaV
ChainResidueDetails
ATHR144-VAL160

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues54
DetailsTransmembrane: {"description":"Helical; Name=1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues54
DetailsTopological domain: {"description":"Cytoplasmic"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues46
DetailsTransmembrane: {"description":"Helical; Name=2"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues24
DetailsTopological domain: {"description":"Extracellular"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues42
DetailsTransmembrane: {"description":"Helical; Name=3"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues44
DetailsTransmembrane: {"description":"Helical; Name=4"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues48
DetailsTransmembrane: {"description":"Helical; Name=5"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues42
DetailsTransmembrane: {"description":"Helical; Name=6"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues42
DetailsTransmembrane: {"description":"Helical; Name=7"}
ChainResidueDetails

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PDB entries from 2025-11-05

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