1UP5: Chicken Calmodulin

Chicken Calmodulin. Determined by X-ray diffraction at 1.9 Å resolution. Released 24 Mar 2005.

Method: X-ray diffraction
Resolution: 1.9 Å
Organism: Gallus gallus
Chains: 2
Atoms: 2,565
Mol. weight: 33.85 kDa
Ligands: CA
Released: 24 Mar 2005

Explore 1UP5 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1UP5 contains 14 α-helices and 8 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: 7 helices, 4 β-strands

Element	Residues	Length	Sheet
α-helix	6-19	14
β-strand	26-27	2	1
α-helix	29-37	9
α-helix	45-55	11
β-strand	63-64	2	1
α-helix	65-92	28
β-strand	100	1	2
α-helix	102-112	11
α-helix	118-128	11
β-strand	136	1	2
α-helix	138-146	9

Chain B: 7 helices, 4 β-strands

Element	Residues	Length	Sheet
α-helix	6-19	14
β-strand	26-27	2	3
α-helix	29-38	10
α-helix	45-55	11
β-strand	63-64	2	3
α-helix	65-92	28
β-strand	100	1	4
α-helix	102-111	10
α-helix	118-128	11
β-strand	136	1	4
α-helix	138-145	8

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Calmodulin	A, B	protein	148	Gallus gallus	P0DP23 (AlphaFold model), P62149 (AlphaFold model)

Sequence of entity 1 (A, B), FASTA

>1UP5_1 Calmodulin (chains A, B)
ADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGN
GTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEE
VDEMIREADIDGDGQVNYEEFVQMMTAK

Ligands and cofactors

ID	Name	Formula	Copies
CA	Calcium ion	Ca	8

Primary citation

Crystallization and Preliminary X-Ray Analysis of Two New Crystal Forms of Calmodulin. Rupp, B., Marshak, D., Parkin, S. Acta Crystallogr D Biol Crystallogr (1996) 52:411-413. DOI 10.1107/S0907444995011826 · PubMed

Other PDB entries of the same protein (UniProt P0DP23 (AlphaFold model), which also has an AlphaFold model), best resolution first:

9MXD 1.17 Å, Human E104A calmodulin:MLCK RM20 complex
7BF1 1.24 Å, Ca2+-Calmodulin in complex with peptide from brain-type creatine kinase in extended 1:2…
6XXX 1.25 Å, 1.25 Angstrom crystal structure of Ca/CaM A102V:RyR2 peptide complex
4DJC 1.35 Å, 1.35 A crystal structure of the NaV1.5 DIII-IV-Ca/CaM complex
7BF2 1.43 Å, Ca2+-Calmodulin in complex with human muscle form creatine kinase peptide in extended…
2F3Y 1.45 Å, Calmodulin/IQ domain complex
2W73 1.45 Å, High-resolution structure of the complex between calmodulin and a peptide from…
4LZX 1.5 Å, Complex of IQCG and Ca2+-free CaM
5V03 1.58 Å, A positive allosteric modulator binding pocket in SK2 ion channels is shared by Riluzole…
9MVW 1.58 Å, Crystal structure of S101F calmodulin - CaM:RM20 analog complex
2F3Z 1.6 Å, Calmodulin/IQ-AA domain complex
6M7H 1.6 Å, Structure of calmodulin with KN93

Browse structure collections

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