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1YMG

The Channel Architecture of Aquaporin O at 2.2 Angstrom Resolution

Replaces:  1TM8
Functional Information from GO Data
ChainGOidnamespacecontents
A0002088biological_processlens development in camera-type eye
A0005212molecular_functionstructural constituent of eye lens
A0005516molecular_functioncalmodulin binding
A0005886cellular_componentplasma membrane
A0006833biological_processwater transport
A0007601biological_processvisual perception
A0015250molecular_functionwater channel activity
A0015267molecular_functionchannel activity
A0016020cellular_componentmembrane
A0016324cellular_componentapical plasma membrane
A0034109biological_processhomotypic cell-cell adhesion
A0036438biological_processmaintenance of lens transparency
A0055085biological_processtransmembrane transport
A0070161cellular_componentanchoring junction
A0098631molecular_functioncell adhesion mediator activity
A1990349biological_processgap junction-mediated intercellular transport
Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues29
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGAGLGSLLYdFllfprlksvserl.....SILK
ChainResidueDetails
AILE210-LYS238

site_idPS00221
Number of Residues9
DetailsMIP MIP family signature. HVNPAVTFA
ChainResidueDetails
AHIS66-ALA74

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues17
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues12
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues29
DetailsIntramembrane: {"description":"Discontinuously helical","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues23
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues28
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YMG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues10
DetailsRegion: {"description":"Interaction with CALM","evidences":[{"source":"PubMed","id":"23893133","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsMotif: {"description":"NPA 1","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsMotif: {"description":"NPA 2","evidences":[{"source":"PubMed","id":"15377788","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsSite: {"description":"Important for water channel gating","evidences":[{"source":"PubMed","id":"23893133","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"9375569","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238582

PDB entries from 2025-07-09

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