7RXE: Junctophilin-2

Crystal structure of junctophilin-2. Determined by X-ray diffraction at 2.35 Å resolution. Released 23 Feb 2022.

Method
X-ray diffraction
Resolution
2.35 Å
Organism
Homo sapiens
Chains
1
Atoms
2,529
Mol. weight
36.49 kDa
Ligands
FLC, IPA
Released
23 Feb 2022

Explore 7RXE in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7RXE contains 5 α-helices and 19 β-strands across 1 chain. 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: 5 helices, 19 β-strands

ElementResiduesLengthSheet
β-strand3-751
β-strand13-1971
β-strand22-3091
α-helix32-343
β-strand37-4371
β-strand46-5381
β-strand59-6571
β-strand68-7691
β-strand80-8781
β-strand90-99101
β-strand105-11171
β-strand114-12291
β-strand128-13471
β-strand137-146101
α-helix159-2754
β-strand289-29681
β-strand299-308101
β-strand313-31971
β-strand322-33091
β-strand336-34271
β-strand345-34841
α-helix358-3603
α-helix362-42261
α-helix429-4357

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Junctophilin-2 N-terminal fragmentAprotein327Homo sapiensQ9BR39 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>7RXE_1 Junctophilin-2 N-terminal fragment (chains A)
SNAMSGGRFDFDDGGAYCGGWEGGKAHGHGLCTGPKGQGEYSGSWNFGFEVAGVYTWPSG
NTFEGYWSQGKRHGLGIETKGRWLYKGEWTHGFKGRYGIRQSSSSGAKYEGTWNNGLQDG
YGTETYADGGTYQGQFTNGMRHGYGVRQSVPYGMAVVVRSPLRTEAAPFEADIDATTTET
YMGEWKNDKRSGFGVSERSSGLRYEGEWLDNLRHGYGCTTLPDGHREEGKYRHNVLVKDT
KRRMLQLKSNKVRQKVEHSVEGAQRAAAIARQKAEIAASRTSHAKAKAEAAEQAALAANQ
ESNIARTLARELAPDFYQPGPEYQKRR

Ligands and cofactors

IDNameFormulaCopies
FLCCitrate anionC6 H5 O71
IPAIsopropyl alcoholC3 H8 O3

Primary citation

Structures of the junctophilin/voltage-gated calcium channel interface reveal hot spot for cardiomyopathy mutations. Yang, Z.F., Panwar, P., McFarlane, C.R. et al. Proc Natl Acad Sci U S A (2022) 119:e2120416119-e2120416119. DOI 10.1073/pnas.2120416119 · PubMed

Other PDB entries of the same protein (UniProt Q9BR39 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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