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9I3R

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

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Transient receptor potential cation channel subfamily M member 4polymer1218134770.74UniProt (Q8TD43)Homo sapiens (human)hTRPM4,Calcium-activated non-selective cation channel 1,Long transient receptor potential channel 4,LTrpC-4,LTrpC4,Melastatin-4
2E, F, G, I, J...
(A, B, C, D)
CHOLESTEROLnon-polymer386.712Chemie (CLR)
3H, L, P, T
(A, B, C, D)
CALCIUM IONnon-polymer40.14Chemie (CA)
Sequence modifications
A, B, C, D: 2 - 1214 (UniProt: Q8TD43)
PDBExternal DatabaseDetails
Ser -3-expression tag
Gly -2-expression tag
Arg -1-expression tag
Ser 0-expression tag
Gly 1-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight539082.9
Non-Polymers*Number of molecules16
Total formula weight4800.2
All*Total formula weight543883.1
*Water molecules are not included.

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PDB entries from 2026-01-28

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