1MUX: Calmodulin

Solution NMR structure of calmodulin/w-7 complex: the basis of diversity in molecular recognition, 30 structures. Determined by solution NMR. Released 14 Oct 1998.

Method: Solution NMR
Organism: Xenopus laevis
Chains: 1
Atoms: 1,214
Mol. weight: 17.56 kDa
Ligands: WW7, CA
Released: 14 Oct 1998

Explore 1MUX in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1MUX contains 8 α-helices and 4 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: 8 helices, 4 β-strands

Element	Residues	Length	Sheet
α-helix	6-19	14
β-strand	27	1	1
α-helix	29-37	9
α-helix	45-53	9
β-strand	63	1	1
α-helix	65-72	8
α-helix	83-92	10
β-strand	100	1	2
α-helix	102-112	11
α-helix	118-128	11
β-strand	136	1	2
α-helix	138-145	8

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Calmodulin	A	protein	148	Xenopus laevis	P0DP33 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>1MUX_1 CALMODULIN (chains A)
ADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGN
GTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEE
VDEMIREADIDGDGQVNYEEFVQMMTAK

Ligands and cofactors

ID	Name	Formula	Copies
WW7	N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide	C16 H21 Cl N2 O2 S	2
CA	Calcium ion	Ca	4

Primary citation

Solution structure of calmodulin-W-7 complex: the basis of diversity in molecular recognition. Osawa, M., Swindells, M.B., Tanikawa, J. et al. J Mol Biol (1998) 276:165-176. DOI 10.1006/jmbi.1997.1524 · PubMed

Other PDB entries of the same protein (UniProt P0DP33 (AlphaFold model), which also has an AlphaFold model), best resolution first:

1IQ5 1.8 Å, Calmodulin/nematode CA2+/Calmodulin dependent kinase kinase fragment
2COL 2.2 Å, Crystal structure analysis of CyaA/C-Cam with Pyrophosphate
4R8G 3.5 Å, Crystal Structure of Myosin-1c tail in complex with Calmodulin
1Y0V 3.6 Å, Crystal structure of anthrax edema factor (EF) in complex with calmodulin and…
1CFC Calcium-free calmodulin
1CFD Calcium-free calmodulin
1CFF NMR solution structure of a complex of calmodulin with a binding peptide of the CA2+-pump
1CKK Calmodulin/rat CA2+/CALMODULIN dependent protein kinase fragment
1DMO Calmodulin, NMR, 30 structures
1F70 Refined solution structure of calmodulin N-terminal domain
1F71 Refined solution structure of calmodulin C-terminal domain
1NWD Solution Structure of Ca2+/Calmodulin bound to the C-terminal Domain of Petunia…

Browse structure collections

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