2WEL: PDB entry 2WEL

Crystal structure of SU6656-bound calcium/calmodulin-dependent protein kinase II delta in complex with calmodulin. Determined by X-ray diffraction at 1.9 Å resolution. Released 14 Apr 2009.

Method
X-ray diffraction
Resolution
1.9 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
4,049
Mol. weight
55.04 kDa
Ligands
PO4, CA, K88
Released
14 Apr 2009

Explore 2WEL in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2WEL contains 26 α-helices and 17 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: 18 helices, 13 β-strands

ElementResiduesLengthSheet
α-helix0-134
β-strand14-23101
β-strand26-3381
β-strand39-4681
α-helix47-493
α-helix52-6716
β-strand7312
β-strand76-8271
β-strand85-9061
β-strand9712
α-helix98-1058
α-helix110-12920
β-strand132-13323
α-helix139-1413
β-strand142-14432
α-helix151-1522
β-strand153-15532
α-helix158-1603
β-strand162-16323
β-strand17014
α-helix178-1803
α-helix183-1864
β-strand19114
α-helix194-20916
α-helix219-22810
α-helix243-25210
α-helix261-2622
α-helix263-2664
α-helix270-2734
α-helix291-2944
α-helix296-31520
Chain D: 8 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix7-2014
β-strand2815
α-helix30-3910
α-helix46-5611
β-strand6415
α-helix66-738
α-helix79-9315
β-strand100-10126
α-helix103-11210
α-helix119-12911
β-strand137-13826
α-helix139-1457

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Calcium/calmodulin-dependent protein kinase type II delta chainAprotein327HOMO SAPIENSQ13557 (AlphaFold model)
CalmodulinDprotein150HOMO SAPIENSP0DP23 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2WEL_1 CALCIUM/CALMODULIN-DEPENDENT PROTEIN KINASE TYPE II DELTA CHAIN (chains A)
SMTDEYQLFEELGKGAFSVVRRCMKIPTGQEYAAKIINTKKLSARDHQKLEREARICRLL
KHPNIVRLHDSISEEGFHYLVFDLVTGGELFEDIVAREYYSEADASHCIQQILESVNHCH
LNGIVHRDLKPENLLLASKSKGAAVKLADFGLAIEVQGDQQAWFGFAGTPGYLSPEVLRK
DPYGKPVDMWACGVILYILLVGYPPFWDEDQHRLYQQIKAGAYDFPSPEWDTVTPEAKDL
INKMLTINPAKRITASEALKHPWICQRSTVASMMHRQETVDCLKKFNARRKLKGAILTTM
LATRNFSAAKSLLKKPDGVKESTESSN
Sequence of entity 2 (D), FASTA
>2WEL_2 CALMODULIN (chains D)
SMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDAD
GNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTD
EEVDEMIREADIDGDGQVNYEEFVQMMTAK

Ligands and cofactors

IDNameFormulaCopies
PO4Phosphate ionO4 P2
CACalcium ionCa4
K88(3Z)-n,n-dimethyl-2-oxo-3-(4,5,6,7-tetrahydro-1H-indol-2-ylmethylidene)-2,3-dih…C19 H21 N3 O3 S1

Water and common crystallization additives (EDO) are not listed.

Primary citation

Structure of the Camkiidelta/Calmodulin Complex Reveals the Molecular Mechanism of Camkii Kinase Activation. Rellos, P., Pike, A.C.W., Niesen, F.H. et al. PLoS Biol (2010) 8:426. DOI 10.1371/JOURNAL.PBIO.1000426 · PubMed

Other PDB entries of the same protein (UniProt Q13557 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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