4ORB: Mouse calcineurin

Crystal structure of mouse calcineurin. Determined by X-ray diffraction at 3.11 Å resolution. Released 20 May 2015.

Method
X-ray diffraction
Resolution
3.11 Å
Organism
Mus musculus
Chains
2
Atoms
4,399
Mol. weight
78.36 kDa
Ligands
ZN, FE, CA
Released
20 May 2015

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

Secondary structure: helices and β-sheets

4ORB contains 34 α-helices and 29 β-strands across 2 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: 22 helices, 23 β-strands

ElementResiduesLengthSheet
α-helix22-243
β-strand28-2921
α-helix31-344
β-strand3512
β-strand4112
α-helix43-519
β-strand55-5621
α-helix58-7215
β-strand78-8143
α-helix821
β-strand85-8844
β-strand9015
α-helix95-10511
β-strand113-11534
α-helix126-13914
β-strand144-14634
α-helix154-1596
α-helix161-1699
α-helix172-18211
β-strand188-19143
β-strand195-19843
α-helix209-2135
α-helix221-2222
α-helix226-2327
β-strand234-23526
β-strand248-25036
β-strand258-26036
α-helix262-27110
β-strand276-27943
β-strand286-28724
β-strand288-29033
α-helix2921
β-strand29317
α-helix2941
β-strand30017
β-strand302-30543
β-strand30615
α-helix311-3133
β-strand318-32584
β-strand328-33474
α-helix344-3463
α-helix349-36921
α-helix460-4667
α-helix468-4714
α-helix473-4742
Chain B: 12 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix16-2914
β-strand3618
α-helix39-435
α-helix47-504
α-helix54-618
β-strand7018
α-helix71-799
β-strand8219
α-helix87-9812
β-strand106110
α-helix108-11912
α-helix120-1223
α-helix125-13915
β-strand147110
α-helix149-1568
α-helix157-1593
α-helix161-1644
β-strand16719

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Serine/threonine-protein phosphatase 2B catalytic subunit alpha isoformAprotein519Mus musculusP63328 (AlphaFold model)
Calcineurin subunit B type 1Bprotein170Mus musculusQ63810 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4ORB_1 Serine/threonine-protein phosphatase 2B catalytic subunit alpha isoform (chains A)
MSEPKAIDPKLSTTDRVVKAVPFPPSHRLTAKEVFDNDGKPRVDILKAHLMKEGRLEESV
ALRIITEGASILRQEKNLLDIDAPVTVCGDIHGQFFDLMKLFEVGGSPANTRYLFLGDYV
DRGYFSIECVLYLWALKILYPKTLFLLRGNHECRHLTEYFTFKQECKIKYSERVYDACMD
AFDCLPLAALMNQQFLCVHGGLSPEINTLDDIRKLDRFKEPPAYGPMCDILWSDPLEDFG
NEKTQEHFTHNTVRGCSYFYSYPAVCDFLQHNNLLSILRAHEAQDAGYRMYRKSQTTGFP
SLITIFSAPNYLDVYNNKAAVLKYENNVMNIRQFNCSPHPYWLPNFMDVFTWSLPFVGEK
VTEMLVNVLNICSDDELGSEEDGFDGATAAARKEVIRNKIRAIGKMARVFSVLREESESV
LTLKGLTPTGMLPSGVLSGGKQTLQSAIKGFSPQHKITSFEEAKGLDRINERMPPRRDAM
PSDANLNSINKALASETNGTDSNGSNSSNIQLEHHHHHH
Sequence of entity 2 (B), FASTA
>4ORB_2 Calcineurin subunit B type 1 (chains B)
MGNEASYPLEMCSHFDADEIKRLGKRFKKLDLDNSGSLSVEEFMSLPELQQNPLVQRVID
IFDTDGNGEVDFKEFIEGVSQFSVKGDKEQKLRFAFRIYDMDKDGYISNGELFQVLKMMV
GNNLKDTQLQQIVDKTIINADKDGDGRISFEEFCAVVGGLDIHKKMVVDV

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1
FEFE (III) ionFe1
CACalcium ionCa4

Primary citation

Cooperative autoinhibition and multi-level activation mechanisms of calcineurin. Li, S.J., Ma, L., Wang, J. et al. To be published.

Other PDB entries of the same protein (UniProt P63328 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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