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1TCO

TERNARY COMPLEX OF A CALCINEURIN A FRAGMENT, CALCINEURIN B, FKBP12 AND THE IMMUNOSUPPRESSANT DRUG FK506 (TACROLIMUS)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
SERINE/THREONINE PHOSPHATASE B2polymer37543013.01UniProt (P48452)
Pfam (PF00149)
Bos taurus (cattle)CALCINEURIN A, CAM-PRP CATALYTIC SUBUNIT, CALCINEURIN B, CAM-PRP REGULATORY SUBUNIT
2B
(B)
SERINE/THREONINE PHOSPHATASE B2polymer16919191.71UniProt (P63099)
Pfam (PF13499)
Bos taurus (cattle)CALCINEURIN A, CAM-PRP CATALYTIC SUBUNIT, CALCINEURIN B, CAM-PRP REGULATORY SUBUNIT
3C
(C)
FK506-BINDING PROTEINpolymer10711750.41UniProt (P62942)
Pfam (PF00254)
UniProt (by SIFTS) (P18203)
Bos taurus (cattle)FKBP-12, CIS-TRANS ISOMERASE
4D
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
5E
(A)
FE (III) IONnon-polymer55.81Chemie (FE)
PubChem (29936)
6F
(A)
PHOSPHATE IONnon-polymer95.01Chemie (PO4)
PubChem (1061)
7G, H, I, J
(B)
CALCIUM IONnon-polymer40.14Chemie (CA)
PubChem (271)
8K
(B)
MYRISTIC ACIDnon-polymer228.41Chemie (MYR)
PubChem (11005)
9L
(C)
8-DEETHYL-8-[BUT-3-ENYL]-ASCOMYCINnon-polymer804.01Chemie (FK5)
PubChem (23377000)
PubChem (177746942)
PubChem (23308325)
PubChem (23581796)
PubChem (24978521)
PubChem (44294761)
PubChem (44314852)
PubChem (44575549)
PubChem (46783859)
PubChem (46781577)
PubChem (49874294)
PubChem (57417278)
PubChem (57892354)
PubChem (57910335)
PubChem (58584114)
PubChem (59032416)
PubChem (58946030)
PubChem (59141120)
PubChem (59049316)
PubChem (59974193)
PubChem (59993548)
PubChem (60035606)
PubChem (66709866)
PubChem (67340654)
PubChem (67626881)
PubChem (68219140)
PubChem (68712665)
PubChem (69247758)
PubChem (176478128)
PubChem (176856280)
PubChem (177675132)
PubChem (5372)
PubChem (64779)
PubChem (445643)
PubChem (77906388)
PubChem (89249909)
PubChem (89545901)
PubChem (89960652)
PubChem (145857191)
PubChem (117646237)
PubChem (6426916)
PubChem (6436007)
PubChem (6473866)
PubChem (123552884)
PubChem (9832283)
PubChem (9853905)
PubChem (125039862)
PubChem (9918805)
PubChem (125136698)
PubChem (125136697)
PubChem (9963169)
PubChem (129009965)
PubChem (129010422)
PubChem (130330191)
PubChem (131676819)
PubChem (54611630)
PubChem (133562888)
PubChem (133688365)
PubChem (11556866)
PubChem (134694629)
PubChem (57206900)
PubChem (12134936)
PubChem (13006299)
PubChem (137705868)
PubChem (138106951)
PubChem (138574020)
PubChem (140494820)
PubChem (13819070)
PubChem (140647114)
PubChem (13819074)
PubChem (13819069)
PubChem (140893615)
PubChem (149048732)
PubChem (160433486)
PubChem (162711219)
PubChem (163027397)
PubChem (163027399)
PubChem (163027400)
PubChem (166023667)
PubChem (59042420)
PubChem (59111253)
PubChem (59112447)
PubChem (59118415)
PubChem (168312998)
PubChem (170277719)
PubChem (171042252)
PubChem (171360199)
PubChem (172042935)
PubChem (173882479)
PubChem (59746606)
PubChem (59917266)
PubChem (59918741)
PubChem (60086106)
PubChem (66509027)
PubChem (66672804)
PubChem (71296869)
PubChem (71316759)
PubChem (71668407)
PubChem (73265325)
PubChem (89068341)
PubChem (403209)
PubChem (124511204)
PubChem (439492)
PubChem (5353987)
PubChem (5472317)
PubChem (125039860)
PubChem (125039861)
PubChem (125136699)
PubChem (125136700)
PubChem (6536850)
PubChem (6610362)
PubChem (6912836)
PubChem (125182986)
PubChem (126687738)
PubChem (9940643)
PubChem (129606865)
PubChem (13819073)
PubChem (131668141)
PubChem (137546410)
PubChem (137546581)
PubChem (138574025)
PubChem (139032034)
PubChem (140652196)
PubChem (143265740)
PubChem (144640477)
PubChem (146323807)
PubChem (156417380)
PubChem (156528350)
PubChem (160433487)
PubChem (163027398)
PubChem (163027401)
PubChem (163027402)
PubChem (167413568)
PubChem (170997009)
PubChem (171122179)
PubChem (171137683)
PubChem (171156312)
PubChem (171322980)
PubChem (171329370)
PubChem (172634670)
PubChem (175667550)
10M, N, O
(A, B, C)
waterwater18.0710Chemie (HOH)
Sequence modifications
C: 1 - 107 (UniProt: P62942)
PDBExternal DatabaseDetails
Ala 18Arg 18conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight73955.1
Non-Polymers*Number of molecules9
Total formula weight1408.9
All*Total formula weight75364.0
*Water molecules are not included.

253795

PDB entries from 2026-05-20

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