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3A3Y

Crystal structure of the sodium-potassium pump with bound potassium and ouabain

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Na, K-ATPase alpha subunitpolymer1028113309.91UniProt (Q4H132)Squalus acanthias (Spiny dogfish)
2B
(B)
NA+,K+-ATPASE BETA SUBUNITpolymer30535175.11UniProt (by SIFTS) (C4IX13)SQUALUS ACANTHIAS (Spiny dogfish)
3C
(G)
Phospholemman-like proteinpolymer748225.41UniProt (Q70Q12)Squalus acanthias (Spiny dogfish)
4D
(A)
TETRAFLUOROMAGNESATE(2-)non-polymer100.31Chemie (MF4)
5E
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
6F, G, H
(A)
POTASSIUM IONnon-polymer39.13Chemie (K)
PubChem (813)
7I
(A)
OUABAINnon-polymer584.71Chemie (OBN)
PubChem (16678051)
PubChem (16757903)
PubChem (16760049)
PubChem (4605)
PubChem (23900060)
PubChem (24940050)
PubChem (439501)
PubChem (23304664)
PubChem (23615871)
PubChem (23617169)
PubChem (23806796)
PubChem (44483270)
PubChem (44662528)
PubChem (24096436)
PubChem (24840724)
PubChem (24884437)
PubChem (45115052)
PubChem (44135676)
PubChem (44483235)
PubChem (49868171)
PubChem (44593596)
PubChem (71224598)
PubChem (51432362)
PubChem (2723875)
PubChem (52931492)
PubChem (53298778)
PubChem (53393219)
PubChem (71232391)
PubChem (67438622)
PubChem (71232396)
PubChem (68016427)
PubChem (143717343)
PubChem (73265365)
PubChem (6326097)
PubChem (86578458)
PubChem (12420)
PubChem (22624)
PubChem (25443)
PubChem (6604519)
PubChem (6610339)
PubChem (289840)
PubChem (90661460)
PubChem (9916370)
PubChem (637579)
PubChem (11527152)
PubChem (11585088)
PubChem (3246098)
PubChem (15558273)
PubChem (98045374)
PubChem (99566260)
PubChem (99566262)
PubChem (99566640)
PubChem (99566641)
PubChem (99566642)
PubChem (99566257)
PubChem (99566639)
PubChem (101425429)
PubChem (101425424)
PubChem (101425425)
PubChem (101425428)
PubChem (6603952)
PubChem (6604683)
PubChem (122403024)
PubChem (6610298)
PubChem (6604811)
PubChem (124406533)
PubChem (124902532)
PubChem (124904266)
PubChem (124902531)
PubChem (124904264)
PubChem (9829825)
PubChem (124918710)
PubChem (124935709)
PubChem (128964452)
PubChem (129009991)
PubChem (129012171)
PubChem (133052503)
PubChem (133124864)
PubChem (133568485)
PubChem (11585087)
PubChem (11642754)
PubChem (122130419)
PubChem (122419637)
PubChem (11948607)
PubChem (11972636)
PubChem (124364507)
PubChem (124406532)
PubChem (124406534)
PubChem (124406535)
PubChem (124876149)
PubChem (124876150)
PubChem (124876151)
PubChem (124902530)
PubChem (124902533)
PubChem (124904265)
PubChem (124904267)
PubChem (124918711)
PubChem (124918712)
PubChem (124918713)
PubChem (124935710)
PubChem (124935712)
PubChem (124935714)
PubChem (129010278)
PubChem (15558277)
PubChem (15558272)
PubChem (133554299)
PubChem (15940169)
PubChem (153484720)
PubChem (153470218)
PubChem (134940710)
PubChem (163046869)
PubChem (138107125)
PubChem (168012026)
PubChem (145705513)
PubChem (148388522)
PubChem (154497143)
PubChem (169591633)
PubChem (155556391)
PubChem (172012078)
PubChem (172873910)
PubChem (163046864)
PubChem (163046865)
PubChem (163046866)
PubChem (163046867)
PubChem (163046868)
PubChem (163046870)
PubChem (163199101)
PubChem (168311834)
PubChem (168312378)
PubChem (173908203)
8J
(B)
CHOLESTEROLnon-polymer386.71Chemie (CLR)
PubChem (16219173)
PubChem (16758052)
PubChem (304)
PubChem (176980071)
PubChem (191463)
PubChem (368063)
PubChem (369319)
PubChem (18640088)
PubChem (1715243)
PubChem (40477506)
PubChem (40557614)
PubChem (42579431)
PubChem (42579432)
PubChem (1715244)
PubChem (23423981)
PubChem (45044259)
PubChem (638019)
PubChem (49853509)
PubChem (50990013)
PubChem (44654663)
PubChem (52934537)
PubChem (56621683)
PubChem (1549081)
PubChem (1553803)
PubChem (46937002)
PubChem (57915018)
PubChem (57939063)
PubChem (58428240)
PubChem (58445498)
PubChem (58663286)
PubChem (59450329)
PubChem (59628412)
PubChem (59965215)
PubChem (71234641)
PubChem (59993755)
PubChem (60001463)
PubChem (66634651)
PubChem (59274407)
PubChem (5283629)
PubChem (5284644)
PubChem (68055877)
PubChem (68166463)
PubChem (68315613)
PubChem (5315842)
PubChem (70795838)
PubChem (70797612)
PubChem (70954610)
PubChem (70957185)
PubChem (71463909)
PubChem (68311425)
PubChem (68311398)
PubChem (143173313)
PubChem (177156123)
PubChem (6419195)
PubChem (5997)
PubChem (6994560)
PubChem (7055705)
PubChem (7055706)
PubChem (7059398)
PubChem (7059400)
PubChem (7059635)
PubChem (7103033)
PubChem (7182477)
PubChem (7182478)
PubChem (89951918)
PubChem (90224410)
PubChem (91298236)
PubChem (9909206)
PubChem (10045721)
PubChem (71168115)
PubChem (10134774)
PubChem (10293553)
PubChem (71173031)
PubChem (11003580)
PubChem (11025495)
PubChem (11058155)
PubChem (11463329)
PubChem (1551269)
PubChem (90070115)
PubChem (11868624)
PubChem (11868625)
PubChem (11869366)
PubChem (11869367)
PubChem (11869368)
PubChem (11869369)
PubChem (12120344)
PubChem (12156156)
PubChem (12303135)
PubChem (12303148)
PubChem (12303156)
PubChem (12303159)
PubChem (12303160)
PubChem (117965027)
PubChem (6432564)
PubChem (101624109)
PubChem (6710666)
PubChem (124146240)
PubChem (7059399)
PubChem (124897607)
PubChem (124896959)
PubChem (10861996)
PubChem (132837164)
PubChem (11834483)
PubChem (11888915)
PubChem (11888914)
PubChem (124225449)
PubChem (124429284)
PubChem (124909223)
PubChem (124909224)
PubChem (124909225)
PubChem (138967089)
PubChem (139566851)
PubChem (130459183)
PubChem (131992107)
PubChem (15939944)
PubChem (139568882)
PubChem (142983773)
PubChem (144054483)
PubChem (144209461)
PubChem (144331236)
PubChem (144808354)
PubChem (145053568)
PubChem (145157652)
PubChem (145215073)
PubChem (145230478)
PubChem (146320991)
PubChem (147857230)
PubChem (154993519)
PubChem (171828367)
PubChem (173516975)
PubChem (158603858)
PubChem (162906452)
PubChem (162906453)
PubChem (162906454)
PubChem (162906455)
PubChem (162906456)
PubChem (162906457)
PubChem (163255768)
PubChem (163389210)
PubChem (164665303)
PubChem (166553771)
PubChem (166712004)
PubChem (170116175)
PubChem (171764280)
PubChem (171817101)
PubChem (171817104)
PubChem (174285573)
9K, L, M
(B)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.23Chemie (NAG)
10N, O
(A, G)
waterwater18.066Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight156710.5
Non-Polymers*Number of molecules10
Total formula weight1876.8
All*Total formula weight158587.3
*Water molecules are not included.

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PDB entries from 2026-04-01

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