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6KUX

Crystal structures of the alpha2A adrenergic receptor in complex with an antagonist RSC.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004930molecular_functionG protein-coupled receptor activity
A0004935molecular_functionadrenergic receptor activity
A0004938molecular_functionalpha2-adrenergic receptor activity
A0005506molecular_functioniron ion binding
A0006940biological_processregulation of smooth muscle contraction
A0007186biological_processG protein-coupled receptor signaling pathway
A0009055molecular_functionelectron transfer activity
A0016020cellular_componentmembrane
A0019229biological_processregulation of vasoconstriction
A0020037molecular_functionheme binding
A0022900biological_processelectron transport chain
A0030168biological_processplatelet activation
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue E3F A 1201
ChainResidue
ATYR109
AASP113
AGLU189
AILE190
APHE390
APHE391
APHE408
ATYR416

site_idAC2
Number of Residues3
Detailsbinding site for residue PEG A 1202
ChainResidue
ASER199
AILE202
AILE164

site_idAC3
Number of Residues1
Detailsbinding site for residue PEG A 1203
ChainResidue
AASP1005

site_idAC4
Number of Residues4
Detailsbinding site for residue PEG A 1204
ChainResidue
ATHR1009
ALYS1032
AALA1035
APEG1205

site_idAC5
Number of Residues5
Detailsbinding site for residue PEG A 1205
ChainResidue
AASP1005
AASN1006
ATHR1009
AALA1036
APEG1204

site_idAC6
Number of Residues3
Detailsbinding site for residue PEG A 1206
ChainResidue
ATYR220
ALYS370
ATHR373

site_idAC7
Number of Residues2
Detailsbinding site for residue OLA A 1207
ChainResidue
AGLN137
ALYS144

site_idAC8
Number of Residues5
Detailsbinding site for residue FLC A 1208
ChainResidue
AARG368
ALYS1047
ALYS1051
APRO1056
AGLU1057

Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. SSAwHLCAISLDRYWsI
ChainResidueDetails
ASER119-ILE135

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues31
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues22
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues22
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues22
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsSite: {"description":"Implicated in ligand binding"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsSite: {"description":"Implicated in catechol agonist binding and receptor activation"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P22909","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsLipidation: {"description":"S-palmitoyl cysteine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

248335

PDB entries from 2026-01-28

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