4RET: PDB entry 4RET

Crystal structure of the Na,K-ATPase E2P-digoxin complex with bound magnesium. Determined by X-ray diffraction at 4.0 Å resolution. Released 28 Jan 2015.

Method
X-ray diffraction
Resolution
4.0 Å
Organism
Sus scrofa
Chains
6
Atoms
21,123
Mol. weight
317.96 kDa
Ligands
MG, CLR, DGX, 17F
Released
28 Jan 2015

Explore 4RET in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4RET contains 146 α-helices and 106 β-strands across 6 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: 64 helices, 33 β-strands

ElementResiduesLengthSheet
α-helix22-298
α-helix41-488
β-strand5111
β-strand55-5621
α-helix58-658
α-helix73-764
α-helix82-843
α-helix85-884
α-helix93-11018
α-helix111-1133
α-helix117-1193
α-helix122-15231
β-strand162-16651
β-strand169-17351
α-helix175-1773
β-strand183-18641
α-helix1901
β-strand19111
α-helix1921
β-strand195-207131
α-helix2171
β-strand218-21921
β-strand235-23621
α-helix2401
β-strand241-253131
α-helix255-2573
α-helix259-26810
α-helix276-30631
α-helix310-32314
α-helix327-34620
β-strand349-35132
α-helix354-3574
α-helix359-3624
β-strand365-36842
α-helix370-3745
β-strand37513
β-strand380-38564
β-strand390-39234
α-helix409-42012
β-strand425-42625
β-strand440-44125
α-helix444-45613
α-helix461-4644
α-helix4681
β-strand469-47354
α-helix474-4763
β-strand482-48654
α-helix495-4962
β-strand497-50264
α-helix504-5107
β-strand511-51664
β-strand519-52134
α-helix525-54016
β-strand544-55294
β-strand576-585104
α-helix5871
β-strand58813
α-helix5891
α-helix592-60110
α-helix6041
β-strand605-60952
α-helix614-62411
α-helix634-6407
α-helix650-6523
β-strand655-65952
α-helix660-6656
α-helix668-67710
β-strand680-68452
α-helix688-70013
β-strand705-70842
α-helix712-7143
α-helix715-7206
β-strand723-72752
α-helix733-7386
β-strand741-74332
α-helix749-77426
α-helix776-78813
α-helix797-8015
α-helix802-8076
α-helix809-8146
α-helix815-8173
α-helix828-8314
α-helix840-8456
α-helix846-8505
α-helix851-86818
α-helix873-8764
α-helix880-8834
β-strand89216
β-strand89816
α-helix901-9099
α-helix912-93019
α-helix945-96319
α-helix967-9704
α-helix975-9773
α-helix978-9825
α-helix985-100420
α-helix1009-10135
Chains B and D: 9 helices, 20 β-strands
ElementResiduesLengthSheet
β-strand20-2127
β-strand24-2527
α-helix32-5928
β-strand7618
β-strand77-7939
β-strand87-90410
α-helix99-10810
α-helix109-1113
β-strand123-124211
α-helix146-1472
β-strand148-149211
α-helix153-1553
β-strand175-18069
α-helix181-1822
β-strand184112
α-helix190-1923
β-strand208-210313
β-strand211-214410
β-strand226-23059
β-strand232114
β-strand235114
β-strand237-239313
α-helix240-2423
β-strand245112
α-helix247-2504
β-strand258-26589
β-strand272-278710
β-strand29218
β-strand296-301610
Chain C: 62 helices, 33 β-strands
ElementResiduesLengthSheet
α-helix22-298
α-helix41-488
β-strand51115
β-strand55-56215
α-helix58-658
α-helix73-764
α-helix82-843
α-helix85-884
α-helix93-11018
α-helix111-1133
α-helix117-1193
α-helix122-15231
β-strand162-166515
β-strand169-173515
α-helix175-1773
β-strand183-186415
β-strand191115
β-strand195-2071315
α-helix2171
β-strand218-219215
β-strand235-236215
α-helix2401
β-strand241-2531315
α-helix255-2573
α-helix259-26810
α-helix276-30631
α-helix310-32314
α-helix327-34620
β-strand349-351316
α-helix354-3574
α-helix359-3624
β-strand365-368416
α-helix370-3745
β-strand375117
β-strand380-385618
β-strand390-392318
α-helix409-42012
β-strand425-426219
β-strand440-441219
α-helix444-45613
α-helix461-4644
α-helix4681
β-strand469-473518
α-helix474-4763
β-strand482-486518
α-helix495-4962
β-strand497-502618
α-helix504-5107
β-strand511-516618
β-strand519-521318
α-helix525-54016
β-strand544-552918
β-strand576-5851018
α-helix5871
β-strand588117
α-helix5891
α-helix592-60110
α-helix6041
β-strand605-609516
α-helix614-62411
α-helix634-6407
α-helix650-6523
β-strand655-659516
α-helix660-6656
α-helix668-67710
β-strand680-684516
α-helix688-70013
β-strand705-708416
α-helix712-7143
α-helix715-7206
β-strand723-727516
α-helix733-7386
β-strand741-743316
α-helix749-77426
α-helix776-78813
α-helix797-8015
α-helix802-8076
α-helix809-8146
α-helix815-8173
α-helix828-8314
α-helix840-8456
α-helix846-8505
α-helix851-86818
α-helix873-8764
α-helix880-8834
β-strand892120
β-strand898120
α-helix901-9099
α-helix912-93019
α-helix945-96319
α-helix967-9704
α-helix975-9773
α-helix978-9825
α-helix985-100420
α-helix1009-10135
Chains E and G: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix23-4523

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sodium/potassium-transporting ATPase subunit alpha-1A, Cprotein1021Sus scrofaP05024 (AlphaFold model)
Sodium/potassium-transporting ATPase subunit beta-1B, Dprotein303Sus scrofaP05027 (AlphaFold model)
Na+/K+ ATPase gamma subunit transcript variant aE, Gprotein65Sus scrofaQ58K79 (AlphaFold model)
Sequence of entity 1 (A, C), FASTA
>4RET_1 Sodium/potassium-transporting ATPase subunit alpha-1 (chains A, C)
MGKGVGRDKYEPAAVSEHGDKKKAKKERDMDELKKEVSMDDHKLSLDELHRKYGTDLSRG
LTPARAAEILARDGPNALTPPPTTPEWVKFCRQLFGGFSMLLWIGAILCFLAYGIQAATE
EEPQNDNLYLGVVLSAVVIITGCFSYYQEAKSSKIMESFKNMVPQQALVIRNGEKMSINA
EEVVVGDLVEVKGGDRIPADLRIISANGCKVDNSSLTGESEPQTRSPDFTNENPLETRNI
AFFSTNCVEGTARGIVVYTGDRTVMGRIATLASGLEGGQTPIAAEIEHFIHIITGVAVFL
GVSFFILSLILEYTWLEAVIFLIGIIVANVPEGLLATVTVCLTLTAKRMARKNCLVKNLE
AVETLGSTSTICSDKTGTLTQNRMTVAHMWSDNQIHEADTTENQSGVSFDKTSATWLALS
RIAGLCNRAVFQANQENLPILKRAVAGDASESALLKCIELCCGSVKEMRERYTKIVEIPF
NSTNKYQLSIHKNPNTAEPRHLLVMKGAPERILDRCSSILIHGKEQPLDEELKDAFQNAY
LELGGLGERVLGFCHLFLPDEQFPEGFQFDTDDVNFPLDNLCFVGLISMIDPPRAAVPDA
VGKCRSAGIKVIMVTGDHPITAKAIAKGVGIISEGNETVEDIAARLNIPVSQVNPRDAKA
CVVHGSDLKDMTSEQLDDILKYHTEIVFARTSPQQKLIIVEGCQRQGAIVAVTGDGVNDS
PASKKADIGVAMGIAGSDVSKQAADMILLDDNFASIVTGVEEGRLIFDNLKKSIAYTLTS
NIPEITPFLIFIIANIPLPLGTVTILCIDLGTDMVPAISLAYEQAESDIMKRQPRNPKTD
KLVNEQLISMAYGQIGMIQALGGFFTYFVILAENGFLPIHLLGLRVNWDDRWINDVEDSY
GQQWTYEQRKIVEFTCHTPFFVTIVVVQWADLVICKTRRNSVFQQGMKNKILIFGLFEET
ALAAFLSYCPGMGVALRMYPLKPTWWFCAFPYSLLIFVYDEVRKLIIRRRPGGWVEKETY
Y
Sequence of entity 2 (B, D), FASTA
>4RET_2 Sodium/potassium-transporting ATPase subunit beta-1 (chains B, D)
MARGKAKEEGSWKKFIWNSEKKEFLGRTGGSWFKILLFYVIFYGCLAGIFIGTIQVMLLT
ISEFKPTYQDRVAPPGLTQIPQSQKTEISFRPNDPQSYESYVVSIVRFLEKYKDLAQKDD
MIFEDCGNVPSELKERGEYNNERGERKVCRFRLEWLGNCSGLNDETYGYKDGKPCVIIKL
NRVLGFKPKPPKNESLETYPVMKYNPYVLPVHCTGKRDEDKEKVGTMEYFGLGGYPGFPL
QYYPYYGKLLQPKYLQPLMAVQFTNLTMDTEIRIECKAYGENIGYSEKDRFQGRFDVKIE
VKS
Sequence of entity 3 (E, G), FASTA
>4RET_3 Na+/K+ ATPase gamma subunit transcript variant a (chains E, G)
MAGLSTDDGGSPKGDVDPFYYDYETVRNGGLIFAALAFIVGLIIILSKRLRCGGKKHRPI
NEDEL

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg6
CLRCholesterolC27 H46 O4
DGXDigoxinC41 H64 O142
17FO-[(S)-({(2R)-2,3-bis[(9Z)-octadec-9-enoyloxy]propyl}oxy)(hydroxy)phosphoryl]-L…C42 H78 N O10 P3
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O64

Primary citation

Structures and characterization of digoxin- and bufalin-bound Na+,K+-ATPase compared with the ouabain-bound complex. Laursen, M., Gregersen, J.L., Yatime, L. et al. Proc Natl Acad Sci U S A (2015) 112:1755-1760. DOI 10.1073/pnas.1422997112 · PubMed

Other PDB entries of the same protein (UniProt P05024 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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