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8YN3

Cryo-EM structure of histamine H2 receptor in complex with histamine and miniGs

Functional Information from GO Data
ChainGOidnamespacecontents
A0003924molecular_functionGTPase activity
A0005525molecular_functionGTP binding
A0007186biological_processG protein-coupled receptor signaling pathway
A0019001molecular_functionguanyl nucleotide binding
A0031683molecular_functionG-protein beta/gamma-subunit complex binding
B0001750cellular_componentphotoreceptor outer segment
B0003924molecular_functionGTPase activity
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005765cellular_componentlysosomal membrane
B0005829cellular_componentcytosol
B0005834cellular_componentheterotrimeric G-protein complex
B0005886cellular_componentplasma membrane
B0007165biological_processsignal transduction
B0007186biological_processG protein-coupled receptor signaling pathway
B0007191biological_processadenylate cyclase-activating dopamine receptor signaling pathway
B0007200biological_processphospholipase C-activating G protein-coupled receptor signaling pathway
B0007213biological_processG protein-coupled acetylcholine receptor signaling pathway
B0007265biological_processRas protein signal transduction
B0008283biological_processcell population proliferation
B0016020cellular_componentmembrane
B0030159molecular_functionsignaling receptor complex adaptor activity
B0044877molecular_functionprotein-containing complex binding
B0045202cellular_componentsynapse
B0050909biological_processsensory perception of taste
B0051020molecular_functionGTPase binding
B0060041biological_processretina development in camera-type eye
B0070062cellular_componentextracellular exosome
B0071380biological_processcellular response to prostaglandin E stimulus
B0071870biological_processcellular response to catecholamine stimulus
B0097381cellular_componentphotoreceptor disc membrane
B1903561cellular_componentextracellular vesicle
C0005515molecular_functionprotein binding
C0005834cellular_componentheterotrimeric G-protein complex
C0005886cellular_componentplasma membrane
C0007165biological_processsignal transduction
C0007186biological_processG protein-coupled receptor signaling pathway
C0007191biological_processadenylate cyclase-activating dopamine receptor signaling pathway
C0016020cellular_componentmembrane
C0031681molecular_functionG-protein beta-subunit binding
C0045202cellular_componentsynapse
C0048144biological_processfibroblast proliferation
C0070062cellular_componentextracellular exosome
C0071380biological_processcellular response to prostaglandin E stimulus
C0071870biological_processcellular response to catecholamine stimulus
R0001696biological_processgastric acid secretion
R0004930molecular_functionG protein-coupled receptor activity
R0004969molecular_functionhistamine receptor activity
R0007186biological_processG protein-coupled receptor signaling pathway
R0016020cellular_componentmembrane
R0045907biological_processpositive regulation of vasoconstriction
Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ASIlNLFMISLDRYCaV
ChainResidueDetails
RALA104-VAL120

site_idPS00678
Number of Residues15
DetailsWD_REPEATS_1 Trp-Asp (WD) repeats signature. LVSAsqDgKLIIWDS
ChainResidueDetails
BLEU70-SER84
BILE157-ILE171
BLEU285-ALA299
BVAL327-GLY341

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues59
DetailsTOPO_DOM: Extracellular => ECO:0000255
ChainResidueDetails
RMET1-THR22
RCYS82-ASN92
RSER160-GLU180
RLEU259-GLU267

site_idSWS_FT_FI2
Number of Residues21
DetailsTRANSMEM: Helical; Name=1 => ECO:0000255
ChainResidueDetails
RVAL23-GLY44

site_idSWS_FT_FI3
Number of Residues60
DetailsTOPO_DOM: Cytoplasmic => ECO:0000255
ChainResidueDetails
RLEU45-ILE57
RASP115-ARG134
RILE205-VAL234

site_idSWS_FT_FI4
Number of Residues23
DetailsTRANSMEM: Helical; Name=2 => ECO:0000255
ChainResidueDetails
RVAL58-SER81

site_idSWS_FT_FI5
Number of Residues21
DetailsTRANSMEM: Helical; Name=3 => ECO:0000255
ChainResidueDetails
RILE93-LEU114

site_idSWS_FT_FI6
Number of Residues24
DetailsTRANSMEM: Helical; Name=4 => ECO:0000255
ChainResidueDetails
RVAL135-ASN159

site_idSWS_FT_FI7
Number of Residues23
DetailsTRANSMEM: Helical; Name=5 => ECO:0000255
ChainResidueDetails
RVAL181-ARG204

site_idSWS_FT_FI8
Number of Residues23
DetailsTRANSMEM: Helical; Name=6 => ECO:0000255
ChainResidueDetails
RTHR235-GLY258

site_idSWS_FT_FI9
Number of Residues21
DetailsTRANSMEM: Helical; Name=7 => ECO:0000255
ChainResidueDetails
RVAL268-ALA289

site_idSWS_FT_FI10
Number of Residues1
DetailsSITE: Essential for histamine binding => ECO:0000250
ChainResidueDetails
RASP98

site_idSWS_FT_FI11
Number of Residues1
DetailsSITE: Essential for tiotidine binding and implicated in H2 selectivity => ECO:0000250
ChainResidueDetails
RASP186

site_idSWS_FT_FI12
Number of Residues1
DetailsSITE: Implicated in histamine binding => ECO:0000250
ChainResidueDetails
RTHR190

site_idSWS_FT_FI13
Number of Residues1
DetailsLIPID: S-palmitoyl cysteine => ECO:0000250
ChainResidueDetails
RCYS305

site_idSWS_FT_FI14
Number of Residues1
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255
ChainResidueDetails
RASN4

237992

PDB entries from 2025-06-25

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