7KL1: PDB entry 7KL1

Cocrystal structure of human CaMKII-alpha (CAMK2A)kinase domain and GluN2B(S1303D). Determined by X-ray diffraction at 2.4 Å resolution. Released 23 Dec 2020.

Method
X-ray diffraction
Resolution
2.4 Å
Organism
Homo sapiens
Chains
4
Atoms
4,718
Mol. weight
67.91 kDa
Ligands
MG, ATP
Released
23 Dec 2020

Explore 7KL1 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7KL1 contains 30 α-helices and 30 β-strands across 4 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: 15 helices, 14 β-strands

ElementResiduesLengthSheet
α-helix8-125
β-strand13-2191
β-strand25-3281
α-helix33-353
β-strand37-4591
α-helix51-6616
β-strand7212
β-strand75-8171
β-strand84-9071
β-strand9612
α-helix97-1048
α-helix109-12820
β-strand131-13223
α-helix138-1403
β-strand141-14332
α-helix150-1512
β-strand152-15432
β-strand161-16223
β-strand16914
β-strand17515
α-helix177-1793
α-helix182-1865
β-strand19014
α-helix193-20816
α-helix218-2269
α-helix242-25110
α-helix260-2612
α-helix262-2676
α-helix269-2724
Chain B: 14 helices, 14 β-strands
ElementResiduesLengthSheet
α-helix8-125
β-strand13-2196
β-strand25-3286
α-helix33-353
β-strand37-4596
α-helix51-6616
β-strand7217
β-strand75-8176
β-strand84-9076
β-strand9617
α-helix97-1048
α-helix109-12820
β-strand131-13228
α-helix138-1403
β-strand141-14337
β-strand152-15437
β-strand161-16228
β-strand16919
β-strand174-175210
α-helix177-1793
α-helix182-1854
β-strand19019
α-helix193-20816
α-helix218-22710
α-helix242-25110
α-helix260-2612
α-helix262-2676
α-helix269-2724
Chain C: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand130415
Chain D: 1 helix, 1 β-strand
ElementResiduesLengthSheet
α-helix1296-12983
β-strand1304-1305210

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Calcium/calmodulin-dependent protein kinase type II subunit alphaA, Bprotein268Homo sapiensQ9UQM7 (AlphaFold model)
Glutamate receptor ionotropic, NMDA 2BC, Dprotein22Homo sapiensQ13224 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>7KL1_1 Calcium/calmodulin-dependent protein kinase type II subunit alpha (chains A, B)
TRFTEEYQLFEELGKGAFSVVRRCVKVLAGQEYAAKIINTKKLSARDHQKLEREARICRL
LKHPNIVRLHDSISEEGHHYLIFDLVTGGELFEDIVAREYYSEADASHCIQQILEAVLHC
HQMGVVHRNLKPENLLLASKLKGAAVKLADFGLAIEVEGEQQAWFGFAGTPGYLSPEVLR
KDPYGKPVDLWACGVILYILLVGYPPFWDEDQHRLYKQIKAGAYDFPSPEWDTVTPEAKD
LINKMLTINPSKRITAAEALKHPWISHR
Sequence of entity 2 (C, D), FASTA
>7KL1_2 Glutamate receptor ionotropic, NMDA 2B (chains C, D)
KAQKKNRNKLRRQHDYDTFVDL

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg2
ATPAdenosine-5'-triphosphateC10 H16 N5 O13 P32

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

Primary citation

CaMKII binds both substrates and activators at the active site. Ozden, C., Sloutsky, R., Mitsugi, T. et al. Cell Rep (2022) 40:111064-111064. DOI 10.1016/j.celrep.2022.111064 · PubMed

Other PDB entries of the same protein (UniProt Q9UQM7 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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