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9HB3

cryo-EM structure of inactive human arginine-vasopressin (AVP) V2 receptor (V2R) with Mambaquaretin1 K39A (MQK39A)

Functional Information from GO Data
ChainGOidnamespacecontents
A0004867molecular_functionserine-type endopeptidase inhibitor activity
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0035821biological_processmodulation of process of another organism
A0090729molecular_functiontoxin activity
R0001992biological_processregulation of systemic arterial blood pressure by vasopressin
R0003084biological_processpositive regulation of systemic arterial blood pressure
R0003092biological_processrenal water retention
R0004930molecular_functionG protein-coupled receptor activity
R0005000molecular_functionvasopressin receptor activity
R0005506molecular_functioniron ion binding
R0005515molecular_functionprotein binding
R0005768cellular_componentendosome
R0005783cellular_componentendoplasmic reticulum
R0005794cellular_componentGolgi apparatus
R0005886cellular_componentplasma membrane
R0007165biological_processsignal transduction
R0007186biological_processG protein-coupled receptor signaling pathway
R0007188biological_processadenylate cyclase-modulating G protein-coupled receptor signaling pathway
R0007189biological_processadenylate cyclase-activating G protein-coupled receptor signaling pathway
R0007190biological_processactivation of adenylate cyclase activity
R0007599biological_processhemostasis
R0008284biological_processpositive regulation of cell population proliferation
R0008285biological_processnegative regulation of cell population proliferation
R0009055molecular_functionelectron transfer activity
R0010628biological_processpositive regulation of gene expression
R0016020cellular_componentmembrane
R0020037molecular_functionheme binding
R0021537biological_processtelencephalon development
R0022900biological_processelectron transport chain
R0030139cellular_componentendocytic vesicle
R0030669cellular_componentclathrin-coated endocytic vesicle membrane
R0032870biological_processcellular response to hormone stimulus
R0035811biological_processnegative regulation of urine volume
R0038023molecular_functionsignaling receptor activity
R0042597cellular_componentperiplasmic space
R0045777biological_processpositive regulation of blood pressure
R0045907biological_processpositive regulation of vasoconstriction
R0048471cellular_componentperinuclear region of cytoplasm
R0070295biological_processrenal water absorption
R1902533biological_processpositive regulation of intracellular signal transduction
Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ASSyMILAMTLDRHRaI
ChainResidueDetails
RALA125-ILE141

site_idPS00280
Number of Residues19
DetailsBPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FtyGGCagnanrFstiekC
ChainResidueDetails
APHE33-CYS51

site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH
ChainResidueDetails
LTYR194-HIS200
HTYR208-HIS214

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsRegion: {"description":"Important for binding V2R","evidences":[{"source":"PubMed","id":"28630289","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues13
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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