8C2H: Glutamate receptor 1 flip isoform

Transmembrane domain of active state homomeric GluA1 AMPA receptor in tandem with TARP gamma 3. Determined by electron microscopy at 2.64 Å resolution. Released 30 Aug 2023.

Method
Electron microscopy
Resolution
2.64 Å
Organism
Rattus norvegicus
Chains
8
Atoms
10,071
Mol. weight
556.87 kDa
Ligands
POV, OLC, PLM
Released
30 Aug 2023

Explore 8C2H in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8C2H contains 47 α-helices and 44 β-strands across 8 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 6 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix512-5143
β-strand51711
α-helix519-54022
α-helix569-58012
α-helix592-62029
α-helix781-7822
β-strand78312
α-helix785-81430
Chain B: 7 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix507-5093
α-helix512-5143
β-strand51713
α-helix519-54022
α-helix569-58012
α-helix592-61322
α-helix616-6205
β-strand78311
α-helix785-81430
Chain C: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix512-5143
β-strand51714
α-helix519-54022
α-helix569-58012
α-helix592-62029
β-strand78313
α-helix785-81430
Chain D: 8 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix503-5053
β-strand50615
α-helix507-5093
α-helix512-5143
β-strand51712
α-helix519-54224
α-helix569-58012
α-helix592-61322
α-helix616-6205
β-strand62415
β-strand78314
α-helix785-81430
Chains E and G: 5 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix6-2924
β-strand34-3636
β-strand37-3827
β-strand57-5827
β-strand59-6136
β-strand65-6846
β-strand7418
β-strand7618
β-strand77-7936
α-helix93-10412
α-helix106-12722
α-helix133-16028
β-strand173-17536
α-helix177-20630
Chain F: 6 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix6-2924
β-strand34-3639
β-strand37-38210
β-strand57-58210
β-strand59-6139
β-strand65-6849
β-strand74111
β-strand76111
β-strand77-7939
α-helix801
α-helix93-10412
α-helix106-12722
α-helix133-16028
β-strand173-17539
α-helix177-20630
Chain H: 5 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix6-2924
β-strand34-36315
β-strand37-38216
β-strand57-58216
β-strand59-61315
β-strand65-68415
β-strand77-79315
α-helix93-10412
α-helix106-12722
α-helix133-16028
β-strand173-175315
α-helix177-20630

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Glutamate receptor 1 flip isoformA, B, C, Dprotein915Rattus norvegicusP19490 (AlphaFold model)
Voltage-dependent calcium channel gamma-3 subunitE, F, G, Hprotein314Rattus norvegicusQ8VHX0 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>8C2H_1 Glutamate receptor 1 flip isoform (chains A, B, C, D)
MPYIFAFFCTGFLGAVVGADYKDDDDKNFPNNIQIGGLFPNQQSQEHAAFRFALSQLTEP
PKLLPQIDIVNISDSFEMTYRFCSQFSKGVYAIFGFYERRTVNMLTSFCGALHVCFITPS
FPVDTSNQFVLQLRPELQEALISIIDHYKWQTFVYIYDADRGLSVLQRVLDTAAEKNWQV
TAVNILTTTEEGYRMLFQDLEKKKERLVVVDCESERLNAILGQIVKLEKNGIGYHYILAN
LGFMDIDLNKFKESGANVTGFQLVNYTDTIPARIMQQWRTSDSRDHTRVDWKRPKYTSAL
TYDGVKVMAEAFQSLRRQRIDISRRGNAGDCLANPAVPWGQGIDIQRALQQVRFEGLTGN
VQFNEKGRRTNYTLHVIEMKHDGIRKIGYWNEDDKFVPAATDAQAGGDNSSVQNRTYIVT
TILEDPYVMLKKNANQFEGNDRYEGYCVELAAEIAKHVGYSYRLEIVSDGKYGARDPDTK
AWNGMVGELVYGRADVAVAPLTITLVREEVIDFSKPFMSLGISIMIKKPQKSKPGVFSFL
DPLAYEIWMCIVFAYIGVSVVLFLVSRFSPYEWHSEEFEEGRDQTTSDQSNEFGIFNSLW
FSLGAFMQQGCDISPRSLSGRIVGGVWWFFTLIIISSYTANLAAFLTVERMVSPIESAED
LAKQTEIAYGTLEAGSTKEFFRRSKIAVFEKMWTYMKSAEPSVFVRTTEEGMIRVRKSKG
KYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSALRGPVNLAVLKLSEQGV
LDKLKSKWWYDKGECGSKDSGSKDKTSALSLSNVAGVFYILIGGLGLAMLVALIEFCYKS
RSESKRMKGFCLIPQQSINEAIRTSTLPRNSGAGASGGGGSGENGRVVSQDFPKSMQSIP
CMSHSSGMPLGATGL
Sequence of entity 2 (E, F, G, H), FASTA
>8C2H_2 Voltage-dependent calcium channel gamma-3 subunit (chains E, F, G, H)
RMCDRGIQMLITTVGAFAAFSLMTIAVGTDYWLYSRGVCRTKSTSDNETSRKNEEVMTHS
GLWRTCCLEGAFRGVCKKIDHFPEDADYEQDTAEYLLRAVRASSVFPILSVTLLFFGGLC
VAASEFHRSRHSVILSAGIFFVSAGLSNIIGIIVYISANAGDPGQRDSKKSYSYGWSFYF
GAFSFIIAEIVGVVAVHIYIEKHQQLRARSHSELLKKSTFARLPPYRYRFRRRSSSRSTE
PRSRDLSPISKGFHTIPSTDISMFTLSRDPSKLTMGTLLNSDRDHAFLQFHNSTPKEFKE
SLHNNPANRRTTPV

Ligands and cofactors

IDNameFormulaCopies
POV(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl…C42 H82 N O8 P2
OLC(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoateC21 H40 O44
PLMPalmitic acidC16 H32 O26

Primary citation

Structural mobility tunes signalling of the GluA1 AMPA glutamate receptor. Zhang, D., Ivica, J., Krieger, J.M. et al. Nature (2023) 621:877-882. DOI 10.1038/s41586-023-06528-0 · PubMed

Other PDB entries of the same protein (UniProt P19490 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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