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9I3R

Human TRPM4 ion channel in MAASTY copolymer lipid nanodisc in a calcium-bound state

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues492
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"29211723","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues224
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"29211723","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues76
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"29211723","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues80
DetailsIntramembrane: {"description":"Pore-forming","evidences":[{"source":"PubMed","id":"29211723","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues20
DetailsRegion: {"description":"Mediates modulation by decavanadate and PIP2-binding","evidences":[{"source":"PubMed","id":"16424899","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsMotif: {"description":"Selectivity filter","evidences":[{"source":"PubMed","id":"29211723","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6BQV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38750366","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6BQV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9B92","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"38750366","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"6BQV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"9B92","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues8
DetailsModified residue: {"description":"Phosphoserine; by PKC","evidences":[{"source":"PubMed","id":"15590641","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"29217581","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

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PDB entries from 2026-01-28

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